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      <image:caption>ShillehTek 120pcs 20cm female to female Dupont wires for Arduino Raspberry Pi</image:caption>
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      <image:caption>Three ShillehTek Lilypad CR2032 coin cell battery holders with purple circuit boards</image:caption>
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      <image:caption>ShillehTek ULN2003 stepper motor driver board with wiring and motor</image:caption>
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      <image:caption>Five sets of ShillehTek 5pcs dual male header pins arranged vertically</image:caption>
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      <image:caption>Two ShillehTek FT232RL Mini USB to TTL Serial Converter boards side by side</image:caption>
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      <image:caption>ShillehTek 5x7cm copper prototype PCB board set with three pieces</image:caption>
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      <image:caption>Front view of Stellarsource solderless breadboard packaging MB-102</image:caption>
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      <image:caption>Set of ShillehTek right angle 1x40pin 2.54mm male PCB headers arranged in rows</image:caption>
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      <image:title>ShillehTek 1-Channel 24V Relay Module for Arduino Raspberry Pi | ShillehTek Product Manual</image:title>
      <image:caption>ShillehTek 1-Channel 24V Relay Module with blue relay and screw terminals</image:caption>
    </image:image>
  </url>
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      <image:caption>Top view of ShillehTek 24V 2-channel relay board showing connection terminals</image:caption>
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  </url>
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      <image:caption>ShillehTek 2-channel 24V relay module with blue relay switches on red board</image:caption>
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      <image:caption>ShillehTek 2-channel 24V relay module with blue relay switches on red board</image:caption>
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  <url>
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      <image:caption>ShillehTek 4-channel 24V relay module with blue relays and red circuit board</image:caption>
    </image:image>
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      <image:caption>Red circuit board with four blue relays and blue terminal blocks ShillehTek 4-Channel 12V Relay Module Board</image:caption>
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      <image:caption>ShillehTek 4-channel 24V relay module with blue relays and red circuit board</image:caption>
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      <image:caption>ShillehTek 8-channel 24V relay module with blue relays on red PCB</image:caption>
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      <image:caption>ShillehTek 8-channel 24V relay module with blue relays on red PCB</image:caption>
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      <image:caption>Close-up of ShillehTek 3.5mm Stereo Audio Jack Breakout Board Pro Module pins</image:caption>
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      <image:caption>Alligator 2 Side Jumper Wire Image</image:caption>
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      <image:caption>ShillehTek 4x4 membrane matrix keypad with 16 blue and red keys and flat cable</image:caption>
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      <image:caption>ShillehTek HM-10 Bluetooth 4.0 BLE CC2541 module with pin headers on blue circuit board</image:caption>
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      <image:caption>ShillehTek RC522 RFID Reader Writer Module with blue circuit board and pin headers</image:caption>
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      <image:caption>4-channel programmable relay module with blue relays and digital display ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/shillehtek-product-manuals/ac-220v-1-channel-time-delay-relay-module-manual</loc>
    <lastmod>2026-10-08T21:10:05-05:00</lastmod>
    <changefreq>weekly</changefreq>
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      <image:title>ShillehTek AC220V 1-Channel Time Delay Relay Module | ShillehTek Product Manual</image:title>
      <image:caption>AC 220V 1-Channel Time Delay Relay Module with digital display and wiring</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/shillehtek-product-manuals/esp32-devkitc-ve-8mb-flash-8mb-psram-presoldered-manual</loc>
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      <image:caption>Top view of ESP32-DevKitC-VE board showing metal shield and pin labels</image:caption>
    </image:image>
  </url>
  <url>
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      <image:caption>angled view of ShillehTek RP2040 Zero Microcontroller Board with pre-soldered headers</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/shillehtek-product-manuals/esp32-wroom-dev-board-cp2102-usb-c-presoldered-manual</loc>
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      <image:title>ShillehTek ESP-WROOM-32 ESP-32S Dev Board CP2102 USB-C Presoldered | ShillehTek Product Manual</image:title>
      <image:caption>ESP-WROOM-32 ESP32 Dev Board with CP2102 USB-C connector and pins</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/shillehtek-product-manuals/esp32-dev-board-cp2102-type-c-4mb-manual</loc>
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      <image:title>ShillehTek ESP32 Dev Board 4MB CP2102 Type-C Presoldered 38 Pin | ShillehTek Product Manual</image:title>
      <image:caption>ESP32 Dev Board 4MB CP2102 USB-C with 38 pins detailed circuit view</image:caption>
    </image:image>
  </url>
  <url>
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      <image:caption>ESP8266 D1 Mini V3 4MB blue circuit board top view for Arduino</image:caption>
    </image:image>
  </url>
  <url>
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      <image:caption>Close-up of Seeeduino XIAO SAMD21 Arduino board rear view</image:caption>
    </image:image>
  </url>
  <url>
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      <image:caption>Close-up top angled view of ESP32-C3 4MB Pre-Soldered WiFi Dev Board for Arduino</image:caption>
    </image:image>
  </url>
  <url>
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      <image:caption>angled close-up of ESP32-S3 Nano Dev Board with USB-C port and pins</image:caption>
    </image:image>
  </url>
  <url>
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      <image:caption>Top view of ESP32-S3 DevKitC-1 Dev Board with pre-soldered headers and USB ports</image:caption>
    </image:image>
  </url>
  <url>
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      <image:caption>Top view of ESP32-C6-N4 pre-soldered development board showing metal shield</image:caption>
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      <image:caption>Close-up top angled view of Raspberry Pi Pico 2W with pre-soldered headers</image:caption>
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      <image:caption>Top front view of Raspberry Pi Pico 2 with pre-soldered headers by ShillehTek</image:caption>
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      <image:caption>Top and bottom views of Arduino Nano V3.0 Pre-Soldered CH340G ATmega328P board</image:caption>
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      <image:caption>Pro Micro ATmega32U4 development board with USB Type-C port and pin headers</image:caption>
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  <url>
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      <image:caption>GT-U7 NEO-6M GPS Module with square antenna and micro USB port ShillehTek</image:caption>
    </image:image>
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      <image:caption>Close-up of VL53L0X Pre-Soldered Laser Ranging ToF Sensor Module pins</image:caption>
    </image:image>
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  <url>
    <loc>https://shillehtek.com/blogs/shillehtek-product-manuals/433mhz-12v-1-channel-relay-module-with-wireless-remote-manual</loc>
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      <image:caption>433MHz 12V 1-Channel Relay Module and black wireless remote key fob</image:caption>
    </image:image>
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      <image:caption>Arduino Nano V3.0 ATmega328P 16MHz CH340C Type-C board close-up top view</image:caption>
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      <image:caption>AD8232 ECG module with electrode cable and adhesive pads sensor kit</image:caption>
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      <image:caption>ST-LINK V2 blue programmer/debugger with rainbow connector cables for STM8 &amp; STM32</image:caption>
    </image:image>
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      <image:caption>angled close-up of blue I2C OLED display module SSD1306 0.96 inch for Arduino ESP32</image:caption>
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      <image:caption>ShillehTek SSD1306 0.96 inch I2C White OLED Display Module angled view</image:caption>
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      <image:caption>1.3 inch blue OLED display module with 4-pin connector ShillehTek</image:caption>
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      <image:caption>angled view of 1.3 inch I2C white OLED display module with 4-pin SH1106</image:caption>
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      <image:title>200PCS Electrolytic Capacitor Kit 0.1uF 50V to 220uF 10V with Plastic Box | ShillehTek Product Manual</image:title>
      <image:caption>200 piece electrolytic capacitor kit ranging from 0.1uF 50V to 220uF 10V in a clear plastic organizer box</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/shillehtek-product-manuals/600pcs-10pf-10uf-50v-multilayer-ceramic-capacitor-kit-plastic-box-manual</loc>
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      <image:title>600PCS 10pF-10uF 50V Multilayer Ceramic Capacitor Kit with Plastic Box | ShillehTek Product Manual</image:title>
      <image:caption>600 piece ceramic capacitor assortment kit in plastic storage box with labeled compartments</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/shillehtek-product-manuals/300pcs-common-triode-kit-s9012-s9013-s9014-s8050-plastic-box-manual</loc>
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      <image:title>300PCS Common Triode Kit - S9012, S9013, S9014 &amp; S8050 in Plastic Box | ShillehTek Product Manual</image:title>
      <image:caption>300 pieces common triode kit with various transistor types in a transparent plastic storage box</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/shillehtek-product-manuals/120pcs-m3-hexagon-copper-pillar-screw-kit-plastic-box-manual</loc>
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      <image:title>120PCS M3 Hexagon Copper Pillar Screw Kit with Plastic Box | ShillehTek Product Manual</image:title>
      <image:caption>120-piece M3 hexagon copper pillar screw kit with nuts and washers in a transparent plastic storage box</image:caption>
    </image:image>
  </url>
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    <loc>https://shillehtek.com/blogs/shillehtek-product-manuals/100pcs-common-diode-kit-1n4148-1n4007-1n5819-1n5399-plastic-bag-manual</loc>
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      <image:title>100PCS Common Diode Kit - 1N4148, 1N4007, 1N5819 &amp; 1N5399 | ShillehTek Product Manual</image:title>
      <image:caption>Pack of common diodes including 1N5399 and FR207 in labeled resealable plastic bags</image:caption>
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  </url>
  <url>
    <loc>https://shillehtek.com/blogs/shillehtek-product-manuals/dc-dc-xl4015-adjustable-step-down-module-4-38v-5a-96-high-efficiency-manual</loc>
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      <image:caption>Back side of XL4015 adjustable DC-DC step-down module showing solder points and PCB details</image:caption>
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    <loc>https://shillehtek.com/blogs/shillehtek-product-manuals/mcp2515-can-bus-module-tja1050-receiver-spi-manual</loc>
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      <image:title>MCP2515 CAN Bus Module with TJA1050 SPI Interface | ShillehTek Product Manual</image:title>
      <image:caption>MCP2515 CAN Bus Module with TJA1050 SPI interface showing chip, pins, and blue terminal block</image:caption>
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  </url>
  <url>
    <loc>https://shillehtek.com/blogs/shillehtek-product-manuals/hc-05-6pin-bluetooth-module-no-button-manual</loc>
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      <image:title>HC-05 6-Pin Bluetooth Module, No Button | ShillehTek Product Manual</image:title>
      <image:caption>Close up of HC-05 6-Pin Bluetooth Module with exposed circuitry</image:caption>
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    <loc>https://shillehtek.com/blogs/shillehtek-product-manuals/18650-tp4056-1a-3-7-4-2v-lipo-battery-charging-board-micro-usb-with-current-protection-manual</loc>
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      <image:caption>TP4056 1A lithium polymer battery charging board with micro USB port and current protection</image:caption>
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      <image:title>TPA3118 PBTL Single Digital Amplifier Board 1x60W | ShillehTek Product Manual</image:title>
      <image:caption>TPA3118 PBTL single channel digital amplifier board with capacitors and inductors for 60W output</image:caption>
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      <image:caption>SX1262 ESP32-S3 development board with 0.96 inch blue OLED, antenna, and pre-soldered pins</image:caption>
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      <image:caption>DS3231 AT24C32 precision RTC I2C module with CR2032 battery for accurate timekeeping</image:caption>
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      <image:title>MKS TMC2209 Motor Driver with Heatsink | ShillehTek Product Manual</image:title>
      <image:caption>MKS TMC2209 stepper motor driver module with separate blue aluminum heatsink for cooling</image:caption>
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      <image:title>INA219 I2C Bi-Directional Current &amp; Power Monitoring Sensor Module with Soldering and Foam | ShillehTek Product Manual</image:title>
      <image:caption>INA219 I2C bi-directional current and power monitoring sensor module with green terminal block and pins</image:caption>
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      <image:title>INMP441 I2S Omnidirectional Microphone Module | ShillehTek Product Manual</image:title>
      <image:caption>INMP441 I2S omnidirectional microphone module with round black PCB and three pins for electronics projects</image:caption>
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      <image:caption>ESP8266 NodeMCU development board with 0.96 inch OLED display showing front and back sides with Type-C port</image:caption>
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      <image:caption>ESP32 UNO D1 R32 development board with WiFi Bluetooth, CH340G USB, and 4MB flash memory</image:caption>
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      <image:caption>top view USB Control Module 1-Channel 5V Relay Module with blue relay and USB port</image:caption>
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      <image:caption>4x3 membrane switch matrix keypad with numeric and symbol keys and ribbon cable connector</image:caption>
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      <image:caption>XL4015 adjustable DC-DC step-down module with digital voltmeter display and blue terminal blocks</image:caption>
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      <image:caption>HX1838 infrared remote control with numeric and directional buttons on black casing</image:caption>
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      <image:caption>Black FT232RL USB to TTL Serial Cable Adapter with 6-pin connectors</image:caption>
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      <image:caption>Coiled black USB-C to USB-A cable with metal connectors Black USB-C Cable 2A 0.5m</image:caption>
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      <image:caption>Blue USB 2.0 A to B male printer cable with transparent connectors and visible wiring</image:caption>
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      <image:caption>30cm 10-pin alligator clip to male Dupont jumper wires in multiple colors for electronics testing</image:caption>
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      <image:caption>30cm 10-pin alligator clip to female Dupont jumper cable with multicolor wires for electronics projects</image:caption>
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      <image:caption>ShillehTek blue transparent Micro USB Cable 0.5m close-up connector view</image:caption>
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    <loc>https://shillehtek.com/blogs/news/arduino-nano-ad8232-wearable-ecg-monitor</loc>
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      <image:title>Arduino Nano AD8232: Wearable ECG Monitor on TFT | ShillehTek</image:title>
      <image:caption>Arduino Nano AD8232: Wearable ECG Monitor on TFT | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-hc-05-wireless-serial-control</loc>
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      <image:title>Arduino HC-05 Bluetooth Module: Wireless Serial Control | ShillehTek</image:title>
      <image:caption>Arduino HC-05 Bluetooth Module: Wireless Serial Control | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-st7735-tft-drive-color-display</loc>
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      <image:title>Arduino ST7735 TFT: Drive a Color Display via SPI | ShillehTek</image:title>
      <image:caption>Arduino ST7735 TFT: Drive a Color Display via SPI | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-4x4-membrane-keypad-read-keys-serial</loc>
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      <image:title>Arduino 4x4 Membrane Keypad: Read Keys in Serial | ShillehTek</image:title>
      <image:caption>Arduino 4x4 Membrane Keypad: Read Keys in Serial | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
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    </image:image>
  </url>
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      <image:title>Arduino Pro Micro Push Buttons: USB HID Macro Pad | ShillehTek</image:title>
      <image:caption>Arduino Pro Micro Push Buttons: USB HID Macro Pad | ShillehTek</image:caption>
    </image:image>
  </url>
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    <loc>https://shillehtek.com/blogs/news/arduino-433mhz-rf-decode-replay</loc>
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      <image:title>Arduino 433 MHz RF: Decode and Replay Remote Codes | ShillehTek</image:title>
      <image:caption>Arduino 433 MHz RF: Decode and Replay Remote Codes | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
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      <image:title>Arduino HC-SR04: Stream Distance to Serial Monitor | ShillehTek</image:title>
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  </url>
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      <image:title>Arduino Nano DHT22: Log Temp and Humidity to Serial | ShillehTek</image:title>
      <image:caption>Arduino Nano DHT22: Log Temp and Humidity to Serial | ShillehTek</image:caption>
    </image:image>
  </url>
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      <image:caption>Arduino Nano MPU6050: Stream Accel and Gyro Data | ShillehTek</image:caption>
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  </url>
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    <loc>https://shillehtek.com/blogs/news/arduino-rc522-read-uid</loc>
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      <image:title>Arduino RC522: Read RFID Card UIDs via SPI | ShillehTek</image:title>
      <image:caption>Arduino RC522: Read RFID Card UIDs via SPI | ShillehTek</image:caption>
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  </url>
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    <loc>https://shillehtek.com/blogs/news/arduino-neo-6m-gps-read-lat-long</loc>
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    </image:image>
  </url>
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    </image:image>
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      <image:caption>Arduino HX711 Load Cell: Build a Calibrated Digital Scale | ShillehTek</image:caption>
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    </image:image>
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    </image:image>
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    <loc>https://shillehtek.com/blogs/news/arduino-max3421e-usb-host-shield-read-usb-barcodes</loc>
    <lastmod>2026-10-06T09:23:37-05:00</lastmod>
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      <image:title>Arduino MAX3421E USB Host Shield: Read USB Barcodes | ShillehTek</image:title>
      <image:caption>Arduino MAX3421E USB Host Shield: Read USB Barcodes | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-txs0108e-3-3v-5v-level-shift</loc>
    <lastmod>2026-10-08T13:04:06-05:00</lastmod>
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      <image:title>Arduino TXS0108E: Safe 3.3V to 5V Level Shifting | ShillehTek</image:title>
      <image:caption>Arduino TXS0108E: Safe 3.3V to 5V Level Shifting | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-pro-mini-cp2102-flash-serial</loc>
    <lastmod>2026-10-08T07:14:09-05:00</lastmod>
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      <image:title>Arduino Pro Mini CP2102: Flash and read serial | ShillehTek</image:title>
      <image:caption>Arduino Pro Mini CP2102: Flash and read serial | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-pcf8574-add-8-gpio-i2c</loc>
    <lastmod>2026-10-07T06:24:51-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626340790559.png?v=1778807130</image:loc>
      <image:title>Arduino PCF8574: Add 8 GPIO Pins Over I2C | ShillehTek</image:title>
      <image:caption>Arduino PCF8574: Add 8 GPIO Pins Over I2C | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-24mhz-logic-analyzer-decode-i2c</loc>
    <lastmod>2026-10-08T13:12:56-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626340823327.png?v=1778807210</image:loc>
      <image:title>Arduino 24MHz Logic Analyzer: Decode I2C SPI UART | ShillehTek</image:title>
      <image:caption>Arduino 24MHz Logic Analyzer: Decode I2C SPI UART | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-ir-obstacle-sensor-blink-led</loc>
    <lastmod>2026-10-09T01:27:09-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626340856095.png?v=1778807272</image:loc>
      <image:title>Arduino IR Obstacle Sensor: Blink LED on Detect | ShillehTek</image:title>
      <image:caption>Arduino IR Obstacle Sensor: Blink LED on Detect | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-rc522-rfid-smart-door-lock-oled</loc>
    <lastmod>2026-10-08T01:41:43-05:00</lastmod>
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      <image:title>Arduino Nano RC522 RFID: Smart Door Lock with OLED | ShillehTek</image:title>
      <image:caption>Arduino Nano RC522 RFID: Smart Door Lock with OLED | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-ds18b20-sous-vide-controller</loc>
    <lastmod>2026-10-08T13:16:59-05:00</lastmod>
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      <image:title>Arduino Nano DS18B20: Build a Sous-Vide Controller | ShillehTek</image:title>
      <image:caption>Arduino Nano DS18B20: Build a Sous-Vide Controller | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-ds3231-rtc-alarm-clock-oled</loc>
    <lastmod>2026-10-08T17:45:30-05:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626395971871_d3340c5c-fc4f-4fe1-8f8d-c05ea4237209.png?v=1779033366</image:loc>
      <image:title>Arduino DS3231 RTC: OLED Alarm Clock with Buzzer | ShillehTek</image:title>
      <image:caption>Arduino DS3231 RTC: OLED Alarm Clock with Buzzer | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-esp8266-pick-best-board-2026</loc>
    <lastmod>2026-10-08T06:24:54-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626396004639_7390424a-2d9a-4908-83f3-a9d201e19e40.png?v=1779033359</image:loc>
      <image:title>ESP32 vs ESP8266: Pick the Best Board for 2026 | ShillehTek</image:title>
      <image:caption>ESP32 vs ESP8266: Pick the Best Board for 2026 | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-hm10-ble-control-from-iphone</loc>
    <lastmod>2026-10-07T16:51:19-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626396037407_d305ac4f-baf8-4ece-bb54-7b5098556cb9.png?v=1779033333</image:loc>
      <image:title>Arduino Nano HM-10 BLE: Control from iPhone | ShillehTek</image:title>
      <image:caption>Arduino Nano HM-10 BLE: Control from iPhone | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-max7219-dot-matrix-scrolling-led-marquee</loc>
    <lastmod>2026-10-07T03:20:34-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626396070175_90161b62-1533-445b-8c78-8afa402ef0e4.png?v=1779033290</image:loc>
      <image:title>Arduino MAX7219 Dot Matrix: Scrolling LED Marquee | ShillehTek</image:title>
      <image:caption>Arduino MAX7219 Dot Matrix: Scrolling LED Marquee | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-dht22-soil-relay-greenhouse-control</loc>
    <lastmod>2026-10-08T22:07:27-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626414223647.png?v=1779154291</image:loc>
      <image:title>ESP32 DHT22: Automate Greenhouse Fan and Pump | ShillehTek</image:title>
      <image:caption>ESP32 DHT22: Automate Greenhouse Fan and Pump | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-hc-05-l298n-bluetooth-robot-car</loc>
    <lastmod>2026-10-07T18:54:58-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626414256415.png?v=1779154360</image:loc>
      <image:title>Arduino Nano HC-05: Bluetooth Robot Car Control | ShillehTek</image:title>
      <image:caption>Arduino Nano HC-05: Bluetooth Robot Car Control | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-pir-telegram-mailbox-alerts</loc>
    <lastmod>2026-09-22T04:30:56-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626414289183.png?v=1779154417</image:loc>
      <image:title>ESP32 HC-SR501 PIR: Telegram mailbox alerts | ShillehTek</image:title>
      <image:caption>ESP32 HC-SR501 PIR: Telegram mailbox alerts | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-bme280-st7735-wifi-weather-station</loc>
    <lastmod>2026-10-09T02:07:31-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626414321951.png?v=1779154462</image:loc>
      <image:title>ESP32 BME280 + ST7735: Wi-Fi Weather Station Display | ShillehTek</image:title>
      <image:caption>ESP32 BME280 + ST7735: Wi-Fi Weather Station Display | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-tcs3200-color-sorting-machine</loc>
    <lastmod>2026-10-08T23:27:36-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626414354719.png?v=1779154522</image:loc>
      <image:title>Arduino TCS3200: Build a Color-Sorting Machine | ShillehTek</image:title>
      <image:caption>Arduino TCS3200: Build a Color-Sorting Machine | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-ds3231-servo-pet-feeder</loc>
    <lastmod>2026-10-06T10:23:03-05:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626414387487.png?v=1779154596</image:loc>
      <image:title>Arduino Nano DS3231 RTC: Schedule Servo Pet Feeder | ShillehTek</image:title>
      <image:caption>Arduino Nano DS3231 RTC: Schedule Servo Pet Feeder | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-ina219-measure-voltage-current-power</loc>
    <lastmod>2026-10-07T00:17:33-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626414420255.png?v=1779154682</image:loc>
      <image:title>Arduino Nano INA219: Measure Voltage, Current, Power | ShillehTek</image:title>
      <image:caption>Arduino Nano INA219: Measure Voltage, Current, Power | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-hx1838-ir-receiver-decode-remote</loc>
    <lastmod>2026-10-09T01:18:43-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626414453023.png?v=1779155132</image:loc>
      <image:title>Arduino HX1838 IR Receiver: Decode Remote Codes | ShillehTek</image:title>
      <image:caption>Arduino HX1838 IR Receiver: Decode Remote Codes | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-emg-muscle-sensor-servo-control</loc>
    <lastmod>2026-10-06T15:13:44-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626414485791.png?v=1779155200</image:loc>
      <image:title>Arduino EMG Muscle Sensor: Control a Servo Claw | ShillehTek</image:title>
      <image:caption>Arduino EMG Muscle Sensor: Control a Servo Claw | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/tpa3118-amplifier-build-60w-mono-speaker-amp</loc>
    <lastmod>2026-10-05T08:07:35-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626414518559.png?v=1779155286</image:loc>
      <image:title>TPA3118 Amplifier: Build a 60W Mono Speaker Amp | ShillehTek</image:title>
      <image:caption>TPA3118 Amplifier: Build a 60W Mono Speaker Amp | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-reed-switch-relay-garage-door-control</loc>
    <lastmod>2026-10-08T09:19:58-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626438734111.png?v=1779248185</image:loc>
      <image:title>ESP32 Reed Switch Relay: Remote Garage Door Control | ShillehTek</image:title>
      <image:caption>ESP32 Reed Switch Relay: Remote Garage Door Control | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-adxl345-bike-theft-alarm-alerts</loc>
    <lastmod>2026-10-05T11:37:36-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626438766879.png?v=1779248252</image:loc>
      <image:title>Arduino ADXL345: Bike theft alarm alerts | ShillehTek</image:title>
      <image:caption>Arduino ADXL345: Bike theft alarm alerts | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-mq135-dht22-oled-air-quality-dashboard</loc>
    <lastmod>2026-10-08T21:31:40-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626438799647.png?v=1779248323</image:loc>
      <image:title>ESP32 MQ-135: Air Quality Dashboard with OLED | ShillehTek</image:title>
      <image:caption>ESP32 MQ-135: Air Quality Dashboard with OLED | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-ina219-oled-power-bank-live-stats</loc>
    <lastmod>2026-10-06T20:19:31-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626438832415.png?v=1779248389</image:loc>
      <image:title>Arduino Nano + INA219 OLED: Power Bank Live Stats | ShillehTek</image:title>
      <image:caption>Arduino Nano + INA219 OLED: Power Bank Live Stats | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-hx711-ds18b20-dht22-beehive-monitor</loc>
    <lastmod>2026-10-09T01:18:27-05:00</lastmod>
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      <image:title>ESP32 HX711: Beehive Weight and Climate Dashboard | ShillehTek</image:title>
      <image:caption>ESP32 HX711: Beehive Weight and Climate Dashboard | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-cam-hc-sr501-pir-motion-photo-alerts-wifi</loc>
    <lastmod>2026-10-08T15:42:44-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626478055711_ce17e380-6913-4b67-9aac-99c32f6f6f09.png?v=1779313492</image:loc>
      <image:title>ESP32-CAM HC-SR501 PIR: Motion Photo Alerts via Wi-Fi | ShillehTek</image:title>
      <image:caption>ESP32-CAM HC-SR501 PIR: Motion Photo Alerts via Wi-Fi | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-neo6m-gps-oled-speedometer</loc>
    <lastmod>2026-10-05T19:49:49-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626478088479_69c49836-6a04-44d7-9a51-32a115dfb119.png?v=1779313476</image:loc>
      <image:title>Arduino Nano NEO-6M GPS: OLED Speedometer Display | ShillehTek</image:title>
      <image:caption>Arduino Nano NEO-6M GPS: OLED Speedometer Display | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/tpa3118-bluetooth-receiver-portable-speaker</loc>
    <lastmod>2026-10-08T07:23:18-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626553946399_d59140bd-85a9-473f-a46d-0a0bdddaf7c6.png?v=1779467659</image:loc>
      <image:title>TPA3118 Bluetooth Receiver: Build a Portable Speaker | ShillehTek</image:title>
      <image:caption>TPA3118 Bluetooth Receiver: Build a Portable Speaker | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-max30102-oled-pulse-oximeter</loc>
    <lastmod>2026-10-07T12:48:54-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626553979167_7fd0b3a0-0af3-407f-b9d0-62ab804bbd6c.png?v=1779467645</image:loc>
      <image:title>Arduino Nano MAX30102: OLED Pulse Oximeter Build | ShillehTek</image:title>
      <image:caption>Arduino Nano MAX30102: OLED Pulse Oximeter Build | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-ds18b20-aquarium-controller</loc>
    <lastmod>2026-10-08T18:13:30-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-626554011935_947a255e-9b2c-41d7-ad5d-eaf176bcee0f.png?v=1779467630</image:loc>
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      <image:caption>Arduino Nano DS18B20: Automated Aquarium Control | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-ky-037-double-clap-relay-switch</loc>
    <lastmod>2026-10-05T08:54:09-05:00</lastmod>
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      <image:title>Arduino Nano KY-037: Double-Clap Relay Switch | ShillehTek</image:title>
      <image:caption>Arduino Nano KY-037: Double-Clap Relay Switch | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-neo-6m-sx1262-no-sim-gps-tracker</loc>
    <lastmod>2026-10-06T12:09:42-05:00</lastmod>
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      <image:title>ESP32 Capacitive Soil Moisture: Smart Auto Watering | ShillehTek</image:title>
      <image:caption>ESP32 Capacitive Soil Moisture: Smart Auto Watering | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-max6675-thermocouple-read-1024c</loc>
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      <image:title>Arduino Nano MAX6675 Thermocouple: Read Up to 1024?b0C | ShillehTek</image:title>
      <image:caption>Arduino Nano MAX6675 Thermocouple: Read Up to 1024?b0C | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-tca9548a-8-i2c-devices</loc>
    <lastmod>2026-09-29T09:07:37-05:00</lastmod>
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      <image:title>Arduino Nano TCA9548A: Run 8 Identical I2C Devices | ShillehTek</image:title>
      <image:caption>Arduino Nano TCA9548A: Run 8 Identical I2C Devices | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/raspberry-pi-pico-2w-e-paper-wifi-name-badge</loc>
    <lastmod>2026-10-08T22:15:38-05:00</lastmod>
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      <image:title>Raspberry Pi Pico 2W E-Paper HAT: Wi-Fi Name Badge | ShillehTek</image:title>
      <image:caption>Raspberry Pi Pico 2W E-Paper HAT: Wi-Fi Name Badge | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-ky-040-oled-menu-ui</loc>
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      <image:title>Arduino Nano KY-040 Rotary Encoder: OLED Menu UI | ShillehTek</image:title>
      <image:caption>Arduino Nano KY-040 Rotary Encoder: OLED Menu UI | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-ws2812b-ky037-music-reactive-effects</loc>
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      <image:title>Arduino WS2812B + KY-037: Music-Reactive LED Effects | ShillehTek</image:title>
      <image:caption>Arduino WS2812B + KY-037: Music-Reactive LED Effects | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/4s-18650-bms-repairable-pack</loc>
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      <image:title>4S 18650 BMS: Build a Repairable Battery Pack | ShillehTek</image:title>
      <image:caption>4S 18650 BMS: Build a Repairable Battery Pack | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-lvgl-display-touchscreen-smart-switch-ui</loc>
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      <image:title>ESP32 LVGL Display: Touchscreen Smart Switch UI | ShillehTek</image:title>
      <image:caption>ESP32 LVGL Display: Touchscreen Smart Switch UI | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-ds3231-tm1637-drift-free-alarm-clock</loc>
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      <image:title>Arduino Nano DS3231 + TM1637: Drift-Free Alarm Clock | ShillehTek</image:title>
      <image:caption>Arduino Nano DS3231 + TM1637: Drift-Free Alarm Clock | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-ttp223b-hidden-touch-relay-switch</loc>
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      <image:title>Arduino Nano TTP223B: Hidden Touch Relay Switch | ShillehTek</image:title>
      <image:caption>Arduino Nano TTP223B: Hidden Touch Relay Switch | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-rcwl-0516-through-wall-motion</loc>
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      <image:title>Arduino Nano RCWL-0516: Through-Wall Motion Detect | ShillehTek</image:title>
      <image:caption>Arduino Nano RCWL-0516: Through-Wall Motion Detect | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/tp4056-18650-usb-c-power-bank</loc>
    <lastmod>2026-10-08T02:45:12-05:00</lastmod>
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      <image:title>TP4056 18650: Build a USB-C 9000mAh Power Bank | ShillehTek</image:title>
      <image:caption>TP4056 18650: Build a USB-C 9000mAh Power Bank | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-cam-pir-solar-off-grid-motion-camera</loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-627385172255_df47048a-5438-40f5-a01f-c3d4a3f3ad6a.png?v=1781362719</image:loc>
      <image:title>ESP32-CAM PIR: Solar Off-Grid Motion Camera | ShillehTek</image:title>
      <image:caption>ESP32-CAM PIR: Solar Off-Grid Motion Camera | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-hlk-ld2410-bedroom-occupancy</loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-627385205023_3600f33b-475e-4d0d-987e-0e55309857cd.png?v=1781362677</image:loc>
      <image:title>ESP32 HLK-LD2410: Reliable Bedroom Occupancy | ShillehTek</image:title>
      <image:caption>ESP32 HLK-LD2410: Reliable Bedroom Occupancy | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/3s-bms-18650-12v-portable-power-box</loc>
    <lastmod>2026-10-08T20:49:47-05:00</lastmod>
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      <image:title>3S BMS 18650: Build a 12V Portable Power Box | ShillehTek</image:title>
      <image:caption>3S BMS 18650: Build a 12V Portable Power Box | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-s3-devkitc-1-n16r8-psram-verify-16mb-8mb</loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-627435667743_9f9587a7-a34c-4155-ae9c-aa2bf163dba0.png?v=1781412724</image:loc>
      <image:title>ESP32-S3-DevKitC-1 N16R8 PSRAM: Verify 16MB + 8MB | ShillehTek</image:title>
      <image:caption>ESP32-S3-DevKitC-1 N16R8 PSRAM: Verify 16MB + 8MB | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-max30102-oled-heart-rate-spo2</loc>
    <lastmod>2026-10-08T13:17:02-05:00</lastmod>
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      <image:title>Arduino MAX30102: Heart Rate and SpO2 on OLED | ShillehTek</image:title>
      <image:caption>Arduino MAX30102: Heart Rate and SpO2 on OLED | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/raspberry-pi-pico-2w-ble-wireless-macropad-hotkeys</loc>
    <lastmod>2026-10-08T21:49:19-05:00</lastmod>
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      <image:caption>Raspberry Pi Pico 2W BLE: Build a Wireless Macropad | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/cp2102-usb-ttl-flash-esp01-stm32</loc>
    <lastmod>2026-10-08T21:33:21-05:00</lastmod>
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      <image:caption>CP2102 USB-to-TTL: Flash ESP-01 and STM32 boards | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-c3-devkit-arduino-wifi-ble-setup</loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-627435798815_2e322cc3-cfc2-4ac5-94f2-dae0086ab111.png?v=1781412618</image:loc>
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      <image:caption>ESP32-C3 DevKit: Arduino setup with WiFi and BLE | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-ld2410-rcwl-0516-sensor-comparison</loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-627439993119_c850c3e9-f4c7-475d-9c17-3849c967b49c.png?v=1781491968</image:loc>
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      <image:caption>ESP32 LD2410 vs RCWL-0516: Pick the best sensor | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-soil-moisture-sensor-pick-capacitive</loc>
    <lastmod>2026-10-08T09:32:00-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-627440025887_1945458a-3087-4545-a17a-4dfb40b89cf7.png?v=1781491894</image:loc>
      <image:title>Arduino Nano Soil Moisture Sensors: Pick Capacitive | ShillehTek</image:title>
      <image:caption>Arduino Nano Soil Moisture Sensors: Pick Capacitive | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-max30102-vs-max30100-choose-best-sensor</loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-627440058655_7c167204-9a16-479d-a4b5-41c81da4e845.png?v=1781491881</image:loc>
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      <image:caption>Arduino MAX30102 vs MAX30100: Choose the best sensor | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-s3-esp32-c3-esp32-c6-choose-right-board</loc>
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      <image:title>ESP32-S3 vs ESP32-C3 vs ESP32-C6: Differences and Which One to Buy</image:title>
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    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-tm1637-ssd1306-epaper-pick-display</loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-627440124191_4cb2786f-a3db-416a-8ca0-93d91b277472.png?v=1781491837</image:loc>
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      <image:caption>Arduino TM1637, SSD1306, E-Paper: Pick a Display | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/stm32h723zgt6-stm32duino-install-benchmark</loc>
    <lastmod>2026-10-07T16:23:26-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-627793395999_598c17eb-a4f5-4daa-933f-33a8f996d00d.png?v=1781910328</image:loc>
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      <image:caption>STM32H723ZGT6 STM32duino: Install and benchmark | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-mq-2-gas-leak-alarm</loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-627793428767_7882e94f-9c15-4e2b-8516-23e25c65d95a.png?v=1781910309</image:loc>
      <image:title>Arduino Nano MQ-2: Build a Gas Leak Alarm | ShillehTek</image:title>
      <image:caption>Arduino Nano MQ-2: Build a Gas Leak Alarm | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-627793461535_fa0fb031-4ada-485b-8c22-5f270e47d74f.png?v=1781910263</image:loc>
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      <image:caption>Arduino UNO Joystick Shield: USB Gamepad or nRF24 TX | ShillehTek</image:caption>
    </image:image>
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    <loc>https://shillehtek.com/blogs/news/arduino-nano-ultrasonic-mist-maker-diffuser-control</loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-627793494303_59a08bbf-53b1-49b5-82aa-9afadf40564f.png?v=1781910232</image:loc>
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      <image:caption>Arduino Nano Ultrasonic Mist Maker: DIY Diffuser Control | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp8266-ac-220v-time-delay-relay-wifi-trigger</loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-627793527071_a6ef2f43-8ac9-4602-bf3b-006daf50d318.png?v=1781910281</image:loc>
      <image:title>ESP8266 AC 220V Time Delay Relay: WiFi Trigger | ShillehTek</image:title>
      <image:caption>ESP8266 AC 220V Time Delay Relay: WiFi Trigger | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/xiao-nrf52840-bme280-ble-temperature-humidity</loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-627837829407_7bbeede2-e867-4120-99ba-20d6649e7dde.png?v=1781968505</image:loc>
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      <image:caption>XIAO nRF52840 BME280: Build a BLE Temp Sensor | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-10-06T08:59:12-05:00</lastmod>
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      <image:caption>ESP32-CAM OV2640: Build a WiFi Surveillance Robot | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-tb6612fng-12v-dc-motor-control</loc>
    <lastmod>2026-10-07T08:52:58-05:00</lastmod>
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      <image:title>Arduino TB6612FNG: Control a 12V DC Motor | ShillehTek</image:title>
      <image:caption>Arduino TB6612FNG: Control a 12V DC Motor | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-ws2812-matrix-pixel-art-animations</loc>
    <lastmod>2026-10-07T22:50:18-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630269346079.png?v=1787511766</image:loc>
      <image:title>Arduino WS2812 8x8 Matrix: Play Pixel Art Animations | ShillehTek</image:title>
      <image:caption>Arduino WS2812 8x8 Matrix: Play Pixel Art Animations | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-jsn-sr04t-oled-distance-readout</loc>
    <lastmod>2026-10-08T13:46:31-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630269378847.png?v=1787511798</image:loc>
      <image:title>Arduino Nano JSN-SR04T: OLED Distance Readout | ShillehTek</image:title>
      <image:caption>Arduino Nano JSN-SR04T: OLED Distance Readout | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-e-paper-partial-refresh-flash-free-updates</loc>
    <lastmod>2026-10-08T23:42:59-05:00</lastmod>
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      <image:title>ESP32 2.9-inch E-Paper: Flash-Free Partial Refresh | ShillehTek</image:title>
      <image:caption>ESP32 2.9-inch E-Paper: Flash-Free Partial Refresh | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp8266-solid-state-relay-udp-smart-plug</loc>
    <lastmod>2026-10-07T20:18:13-05:00</lastmod>
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      <image:title>ESP8266 Solid State Relay: Build a UDP Smart Plug | ShillehTek</image:title>
      <image:caption>ESP8266 Solid State Relay: Build a UDP Smart Plug | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-uno-hc-05-phone-controlled-robot-arm</loc>
    <lastmod>2026-10-09T01:39:22-05:00</lastmod>
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      <image:title>Arduino Uno HC-05: Phone-Controlled Robot Arm Build | ShillehTek</image:title>
      <image:caption>Arduino Uno HC-05: Phone-Controlled Robot Arm Build | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/pro-micro-4x4-matrix-keypad-usb-macro-pad</loc>
    <lastmod>2026-10-09T02:05:01-05:00</lastmod>
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      <image:title>Pro Micro 4x4 Matrix Keypad: USB Macro Pad Build | ShillehTek</image:title>
      <image:caption>Pro Micro 4x4 Matrix Keypad: USB Macro Pad Build | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-c6-dht11-oled-centered-temp-logger</loc>
    <lastmod>2026-10-04T20:38:45-05:00</lastmod>
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      <image:title>ESP32-C6 DHT11 + OLED: Centered Temp Logger Display | ShillehTek</image:title>
      <image:caption>ESP32-C6 DHT11 + OLED: Centered Temp Logger Display | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-c6-zigbee-light-switch-network</loc>
    <lastmod>2026-10-08T17:45:27-05:00</lastmod>
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      <image:title>ESP32-C6 Zigbee: Build a Light + Switch Network | ShillehTek</image:title>
      <image:caption>ESP32-C6 Zigbee: Build a Light + Switch Network | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/raspberry-pi-sg90-pan-tilt-python-control</loc>
    <lastmod>2026-10-07T16:07:03-05:00</lastmod>
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      <image:title>Raspberry Pi SG90 Servos: Python Pan-Tilt Control | ShillehTek</image:title>
      <image:caption>Raspberry Pi SG90 Servos: Python Pan-Tilt Control | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-vl53l1x-servo-radar-scanner</loc>
    <lastmod>2026-09-24T23:43:44-05:00</lastmod>
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      <image:title>Arduino Nano VL53L1X: Build a Servo Radar Scanner | ShillehTek</image:title>
      <image:caption>Arduino Nano VL53L1X: Build a Servo Radar Scanner | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-g1-2-flow-sensor-measure-l-min-total-liters</loc>
    <lastmod>2026-10-04T03:08:43-05:00</lastmod>
    <changefreq>weekly</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630348513567.png?v=1788024547</image:loc>
      <image:title>Arduino G1/2 Flow Sensor: Measure L/min and Liters | ShillehTek</image:title>
      <image:caption>Arduino G1/2 Flow Sensor: Measure L/min and Liters | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-neo-m8n-gps-local-time-clock</loc>
    <lastmod>2026-10-06T20:33:39-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630350184735.png?v=1788062116</image:loc>
      <image:title>Arduino Uno NEO-M8N GPS: Local Time Clock Display | ShillehTek</image:title>
      <image:caption>Arduino Uno NEO-M8N GPS: Local Time Clock Display | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-uno-4x4-keypad-eeprom-door-lock</loc>
    <lastmod>2026-10-08T22:21:48-05:00</lastmod>
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      <image:title>Arduino Uno 4x4 Keypad: EEPROM Door Lock Build | ShillehTek</image:title>
      <image:caption>Arduino Uno 4x4 Keypad: EEPROM Door Lock Build | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-uno-ir-line-sensors-line-follower-robot</loc>
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      <image:title>Arduino Uno IR Line Sensors: Build a Line Follower Robot | ShillehTek</image:title>
      <image:caption>Arduino Uno IR Line Sensors: Build a Line Follower Robot | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-ir-receiver-toggle-leds-relay</loc>
    <lastmod>2026-10-07T18:25:45-05:00</lastmod>
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      <image:title>Arduino IR Receiver: Decode Remote and Toggle Loads | ShillehTek</image:title>
      <image:caption>Arduino IR Receiver: Decode Remote and Toggle Loads | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-uno-led-traffic-light-controller</loc>
    <lastmod>2026-10-06T20:30:16-05:00</lastmod>
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      <image:title>Arduino Uno LED Traffic Light: Build a Sequencing Controller | ShillehTek</image:title>
      <image:caption>Arduino Uno LED Traffic Light: Build a Sequencing Controller | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-uno-lcd1602-simon-memory-game</loc>
    <lastmod>2026-10-08T20:08:51-05:00</lastmod>
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      <image:title>Arduino Uno LCD1602: Simon Memory Game with Score | ShillehTek</image:title>
      <image:caption>Arduino Uno LCD1602: Simon Memory Game with Score | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-74hc595-drive-8-leds-3-pins</loc>
    <lastmod>2026-10-07T21:52:05-05:00</lastmod>
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      <image:title>Arduino 74HC595: Drive 8 LEDs from 3 Pins | ShillehTek</image:title>
      <image:caption>Arduino 74HC595: Drive 8 LEDs from 3 Pins | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-uno-ldr-automatic-night-light</loc>
    <lastmod>2026-10-06T15:18:11-05:00</lastmod>
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      <image:title>Arduino Uno LDR: Build an Automatic Night Light | ShillehTek</image:title>
      <image:caption>Arduino Uno LDR: Build an Automatic Night Light | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-water-level-sensor-percentage-alarm</loc>
    <lastmod>2026-10-08T18:35:16-05:00</lastmod>
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      <image:title>Arduino Uno Water Level Sensor: LCD % and Full Alarm | ShillehTek</image:title>
      <image:caption>Arduino Uno Water Level Sensor: LCD % and Full Alarm | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-buzzer-play-real-songs</loc>
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      <image:title>Arduino Nano Passive Buzzer: Play Real Songs with tone() | ShillehTek</image:title>
      <image:caption>Arduino Nano Passive Buzzer: Play Real Songs with tone() | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-uno-rgb-led-color-mixer</loc>
    <lastmod>2026-10-06T23:43:31-05:00</lastmod>
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      <image:title>Arduino Uno RGB LED: Mix Colors with Three Knobs | ShillehTek</image:title>
      <image:caption>Arduino Uno RGB LED: Mix Colors with Three Knobs | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-uno-7-segment-digital-dice</loc>
    <lastmod>2026-10-08T22:06:41-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630352609567.png?v=1788109068</image:loc>
      <image:title>Arduino Uno 7-Segment Display: Build a Digital Dice | ShillehTek</image:title>
      <image:caption>Arduino Uno 7-Segment Display: Build a Digital Dice | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-ws2812-matrix-reaction-timer</loc>
    <lastmod>2026-10-06T13:31:20-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630352642335.png?v=1788109092</image:loc>
      <image:title>Arduino Nano WS2812 Matrix: 2-Player Reaction Timer | ShillehTek</image:title>
      <image:caption>Arduino Nano WS2812 Matrix: 2-Player Reaction Timer | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-lcd1602-whack-a-mole-game</loc>
    <lastmod>2026-10-08T18:38:50-05:00</lastmod>
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      <image:title>Arduino Nano LCD1602: Build a Whack-a-Mole Game | ShillehTek</image:title>
      <image:caption>Arduino Nano LCD1602: Build a Whack-a-Mole Game | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-colpitts-frequency-counting-metal-detector</loc>
    <lastmod>2026-10-08T21:41:06-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630352707871.png?v=1788109166</image:loc>
      <image:title>Arduino Nano Colpitts Oscillator: Build a Metal Detector | ShillehTek</image:title>
      <image:caption>Arduino Nano Colpitts Oscillator: Build a Metal Detector | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-uno-lm35-lcd-thermometer-c-f-toggle</loc>
    <lastmod>2026-10-04T01:41:50-05:00</lastmod>
    <changefreq>weekly</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630396289311.png?v=1788652238</image:loc>
      <image:title>Arduino Uno LM35: LCD Thermometer With C/F Toggle | ShillehTek</image:title>
      <image:caption>Arduino Uno LM35: LCD Thermometer With C/F Toggle | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-uno-potentiometer-control-led-servo</loc>
    <lastmod>2026-10-08T20:00:28-05:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630396322079.png?v=1788652271</image:loc>
      <image:title>Arduino Uno Potentiometer: Control LED and Servo | ShillehTek</image:title>
      <image:caption>Arduino Uno Potentiometer: Control LED and Servo | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-uno-hc-sr04-lcd-parking-sensor-beeps</loc>
    <lastmod>2026-10-08T20:00:26-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630396354847.png?v=1788652306</image:loc>
      <image:title>Arduino Uno HC-SR04: LCD Parking Sensor with Beeps | ShillehTek</image:title>
      <image:caption>Arduino Uno HC-SR04: LCD Parking Sensor with Beeps | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-lcd1602-kitchen-timer-countdown</loc>
    <lastmod>2026-10-05T23:51:23-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630396387615.png?v=1788652331</image:loc>
      <image:title>Arduino Nano LCD1602: Kitchen Timer Countdown Build | ShillehTek</image:title>
      <image:caption>Arduino Nano LCD1602: Kitchen Timer Countdown Build | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-lcd1602-capacitance-meter-autorange</loc>
    <lastmod>2026-10-08T04:24:52-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630396420383.png?v=1788652358</image:loc>
      <image:title>Arduino Nano LCD1602: Autorange capacitance meter | ShillehTek</image:title>
      <image:caption>Arduino Nano LCD1602: Autorange capacitance meter | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-ir-sensor-measure-rpm-oled</loc>
    <lastmod>2026-10-08T04:40:48-05:00</lastmod>
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      <image:title>Arduino Nano IR Sensor: Measure RPM on OLED Display | ShillehTek</image:title>
      <image:caption>Arduino Nano IR Sensor: Measure RPM on OLED Display | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-ssd1306-oled-decode-morse-code</loc>
    <lastmod>2026-10-06T11:44:06-05:00</lastmod>
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      <image:title>Arduino Nano SSD1306 OLED: Decode Morse Code Live | ShillehTek</image:title>
      <image:caption>Arduino Nano SSD1306 OLED: Decode Morse Code Live | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-timer-wakeup-deep-sleep-battery-life</loc>
    <lastmod>2026-10-05T07:32:22-05:00</lastmod>
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    <image:image>
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      <image:title>ESP32 Timer Wake-Up: Deep Sleep for Battery Life | ShillehTek</image:title>
      <image:caption>ESP32 Timer Wake-Up: Deep Sleep for Battery Life | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-webserver-relay-module-local-phone-control</loc>
    <lastmod>2026-10-08T20:00:28-05:00</lastmod>
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      <image:title>ESP32 WebServer Relay Module: Local Phone Control | ShillehTek</image:title>
      <image:caption>ESP32 WebServer Relay Module: Local Phone Control | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-bluetooth-serial-control-led-relay</loc>
    <lastmod>2026-10-04T23:30:39-05:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630396584223.png?v=1788652507</image:loc>
      <image:title>ESP32 Bluetooth Serial: Control an LED or Relay | ShillehTek</image:title>
      <image:caption>ESP32 Bluetooth Serial: Control an LED or Relay | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-piezo-knock-sensor-secret-relay-lock</loc>
    <lastmod>2026-10-01T10:20:20-05:00</lastmod>
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      <image:title>Arduino Nano Piezo Knock Sensor: Secret Knock Relay Lock | ShillehTek</image:title>
      <image:caption>Arduino Nano Piezo Knock Sensor: Secret Knock Relay Lock | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-hc-sr04-servo-touchless-sanitizer-dispenser</loc>
    <lastmod>2026-10-08T20:17:50-05:00</lastmod>
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      <image:title>Arduino HC-SR04 Servo: Touchless Pump Dispenser Build | ShillehTek</image:title>
      <image:caption>Arduino HC-SR04 Servo: Touchless Pump Dispenser Build | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-lcd1602-50v-dc-voltmeter</loc>
    <lastmod>2026-09-28T21:42:01-05:00</lastmod>
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      <image:title>Arduino Nano LCD1602: Measure 0 to 50 V DC | ShillehTek</image:title>
      <image:caption>Arduino Nano LCD1602: Measure 0 to 50 V DC | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-lcd1602-millis-stopwatch</loc>
    <lastmod>2026-10-08T15:53:11-05:00</lastmod>
    <changefreq>weekly</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630396715295.png?v=1788652616</image:loc>
      <image:title>Arduino Nano LCD1602: Build a millis() Stopwatch | ShillehTek</image:title>
      <image:caption>Arduino Nano LCD1602: Build a millis() Stopwatch | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-uno-ldr-solar-tracker-dual-axis</loc>
    <lastmod>2026-10-08T21:44:37-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
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      <image:title>Arduino Uno LDR Solar Tracker: Dual-Axis Light Following | ShillehTek</image:title>
      <image:caption>Arduino Uno LDR Solar Tracker: Dual-Axis Light Following | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-4x4-keypad-buzzer-piano-two-octaves</loc>
    <lastmod>2026-09-28T21:41:58-05:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630396780831.png?v=1788652692</image:loc>
      <image:title>Arduino 4x4 Keypad: Two-Octave Buzzer Piano | ShillehTek</image:title>
      <image:caption>Arduino 4x4 Keypad: Two-Octave Buzzer Piano | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-4x4-keypad-lcd-calculator</loc>
    <lastmod>2026-10-08T19:46:53-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630396813599.png?v=1788652723</image:loc>
      <image:title>Arduino Nano 4x4 Keypad LCD: Build a Calculator | ShillehTek</image:title>
      <image:caption>Arduino Nano 4x4 Keypad LCD: Build a Calculator | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-uno-pushbutton-interrupts-instant-led-toggle</loc>
    <lastmod>2026-10-06T15:37:06-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630396846367.png?v=1788652747</image:loc>
      <image:title>Arduino Uno Pushbutton Interrupts: Instant LED Toggle | ShillehTek</image:title>
      <image:caption>Arduino Uno Pushbutton Interrupts: Instant LED Toggle | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-uno-analog-joystick-pan-tilt-servo-control</loc>
    <lastmod>2026-10-09T01:17:19-05:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630396879135.png?v=1788652776</image:loc>
      <image:title>Arduino Uno Analog Joystick: Control a Pan-Tilt Servo Mount | ShillehTek</image:title>
      <image:caption>Arduino Uno Analog Joystick: Control a Pan-Tilt Servo Mount | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-oled-dht-internet-clock</loc>
    <lastmod>2026-10-08T01:32:24-05:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630396944671.png?v=1788652801</image:loc>
      <image:title>ESP32 OLED DHT: Build an Internet-Synced Clock | ShillehTek</image:title>
      <image:caption>ESP32 OLED DHT: Build an Internet-Synced Clock | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-esp-now-dht11-oled</loc>
    <lastmod>2026-10-07T13:35:13-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630434496799.png?v=1789290258</image:loc>
      <image:title>ESP32 ESP-NOW: Send DHT11 Data to OLED | ShillehTek</image:title>
      <image:caption>ESP32 ESP-NOW: Send DHT11 Data to OLED | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-dht11-mqtt-home-assistant-dashboard-sensor</loc>
    <lastmod>2026-10-03T13:06:57-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630434595103.png?v=1789290281</image:loc>
      <image:title>ESP32 DHT11 MQTT: Home Assistant dashboard sensor | ShillehTek</image:title>
      <image:caption>ESP32 DHT11 MQTT: Home Assistant dashboard sensor | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-capacitive-touch-toggle-wake-deep-sleep</loc>
    <lastmod>2026-10-08T19:32:53-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630434693407.png?v=1789290305</image:loc>
      <image:title>ESP32 Capacitive Touch Pins: Toggle LED and Wake Sleep | ShillehTek</image:title>
      <image:caption>ESP32 Capacitive Touch Pins: Toggle LED and Wake Sleep | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-servo-web-sliders-led-control</loc>
    <lastmod>2026-10-08T19:32:53-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630434758943.png?v=1789290333</image:loc>
      <image:title>ESP32 Servo: Control LED brightness by web sliders | ShillehTek</image:title>
      <image:caption>ESP32 Servo: Control LED brightness by web sliders | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-autoconnect-wifi-setup-portal</loc>
    <lastmod>2026-09-30T03:44:38-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630434791711.png?v=1789290355</image:loc>
      <image:title>ESP32 AutoConnect: Captive Wi-Fi Setup Portal | ShillehTek</image:title>
      <image:caption>ESP32 AutoConnect: Captive Wi-Fi Setup Portal | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-ble-uart-phone-control</loc>
    <lastmod>2026-10-08T13:09:15-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630434824479.png?v=1789290386</image:loc>
      <image:title>ESP32 BLE UART: Phone Control and Notifications | ShillehTek</image:title>
      <image:caption>ESP32 BLE UART: Phone Control and Notifications | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-freertos-tasks-dual-core-multitasking</loc>
    <lastmod>2026-10-08T17:34:26-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630434857247.png?v=1789290407</image:loc>
      <image:title>ESP32 FreeRTOS Tasks: Dual-core multitasking guide | ShillehTek</image:title>
      <image:caption>ESP32 FreeRTOS Tasks: Dual-core multitasking guide | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-ssd1306-oled-pong-game</loc>
    <lastmod>2026-10-05T09:38:33-05:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630434890015.png?v=1789290445</image:loc>
      <image:title>Arduino Uno SSD1306 OLED: Build a Pong Game | ShillehTek</image:title>
      <image:caption>Arduino Uno SSD1306 OLED: Build a Pong Game | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-ssd1306-oled-snake-game</loc>
    <lastmod>2026-10-08T19:25:59-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630434922783.png?v=1789290477</image:loc>
      <image:title>Arduino Nano SSD1306 OLED: Build Snake Game | ShillehTek</image:title>
      <image:caption>Arduino Nano SSD1306 OLED: Build Snake Game | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-mpu6050-tilt-game-oled-level</loc>
    <lastmod>2026-10-08T04:25:07-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630434955551.png?v=1789290511</image:loc>
      <image:title>Arduino Nano MPU6050: Tilt Game and OLED Level | ShillehTek</image:title>
      <image:caption>Arduino Nano MPU6050: Tilt Game and OLED Level | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-uno-passive-buzzer-quiz-lockout</loc>
    <lastmod>2026-10-08T14:42:10-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630434988319.png?v=1789290544</image:loc>
      <image:title>Arduino Uno Passive Buzzer: Four-Player Lockout Quiz | ShillehTek</image:title>
      <image:caption>Arduino Uno Passive Buzzer: Four-Player Lockout Quiz | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-uno-ir-sensors-visitor-counter-auto-lights</loc>
    <lastmod>2026-10-05T21:06:34-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630435021087.png?v=1789290569</image:loc>
      <image:title>Arduino Uno IR Sensors: Bidirectional Visitor Counter | ShillehTek</image:title>
      <image:caption>Arduino Uno IR Sensors: Bidirectional Visitor Counter | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-uno-hc-sr04-touchless-dustbin-lid</loc>
    <lastmod>2026-10-08T15:57:29-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630435053855.png?v=1789290589</image:loc>
      <image:title>Arduino Uno HC-SR04: Touchless Dustbin Lid Control | ShillehTek</image:title>
      <image:caption>Arduino Uno HC-SR04: Touchless Dustbin Lid Control | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-uno-hc-sr04-obstacle-avoiding-robot</loc>
    <lastmod>2026-10-08T19:32:52-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630435086623.png?v=1789290636</image:loc>
      <image:title>Arduino Uno HC-SR04: Build an Obstacle-Avoiding Robot | ShillehTek</image:title>
      <image:caption>Arduino Uno HC-SR04: Build an Obstacle-Avoiding Robot | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-hc-sr04-smart-cane-obstacle-alerts</loc>
    <lastmod>2026-10-08T13:22:20-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630435119391.png?v=1789290664</image:loc>
      <image:title>Arduino Nano HC-SR04: Smart Cane Obstacle Alerts | ShillehTek</image:title>
      <image:caption>Arduino Nano HC-SR04: Smart Cane Obstacle Alerts | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-gsr-oled-meter</loc>
    <lastmod>2026-10-07T12:23:14-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630435152159.png?v=1789290699</image:loc>
      <image:title>Arduino Nano GSR Electrodes: OLED Reaction Meter | ShillehTek</image:title>
      <image:caption>Arduino Nano GSR Electrodes: OLED Reaction Meter | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-capacitivesensor-touch-toggle-lamp</loc>
    <lastmod>2026-10-05T05:30:05-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630435184927.png?v=1789290720</image:loc>
      <image:title>Arduino CapacitiveSensor: Touch Toggle Lamp Switch | ShillehTek</image:title>
      <image:caption>Arduino CapacitiveSensor: Touch Toggle Lamp Switch | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp8266-espalexa-alexa-relay-voice-control</loc>
    <lastmod>2026-10-04T19:01:21-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630435217695.png?v=1789290745</image:loc>
      <image:title>ESP8266 Espalexa: Alexa Relay Voice Control | ShillehTek</image:title>
      <image:caption>ESP8266 Espalexa: Alexa Relay Voice Control | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-st7789-tft-wifi-scanner</loc>
    <lastmod>2026-10-06T11:33:54-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630435250463.png?v=1789290775</image:loc>
      <image:title>ESP32 ST7789 TFT: Scan Nearby Wi-Fi Networks | ShillehTek</image:title>
      <image:caption>ESP32 ST7789 TFT: Scan Nearby Wi-Fi Networks | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-arduinoota-ota-wifi-updates</loc>
    <lastmod>2026-10-06T06:44:34-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630435283231.png?v=1789290803</image:loc>
      <image:title>ESP32 ArduinoOTA: Wireless sketch updates over Wi-Fi | ShillehTek</image:title>
      <image:caption>ESP32 ArduinoOTA: Wireless sketch updates over Wi-Fi | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-eeprom-save-settings-that-survive-power-loss</loc>
    <lastmod>2026-10-09T00:42:25-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630435315999.png?v=1789290831</image:loc>
      <image:title>Arduino EEPROM: Save Settings After Power Loss | ShillehTek</image:title>
      <image:caption>Arduino EEPROM: Save Settings After Power Loss | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-nano-millis-blink-leds-read-button</loc>
    <lastmod>2026-10-08T00:25:58-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-630435348767.png?v=1789290862</image:loc>
      <image:title>Arduino Nano millis(): Blink two LEDs and read button | ShillehTek</image:title>
      <image:caption>Arduino Nano millis(): Blink two LEDs and read button | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/arduino-uno-nano-i2c-dht11-oled-display</loc>
    <lastmod>2026-10-08T18:10:38-05:00</lastmod>
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      <image:caption>Arduino Uno + Nano I2C: Send DHT11 Data to OLED | ShillehTek</image:caption>
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    <loc>https://shillehtek.com/blogs/news/arduino-uno-dht11-pwm-fan-controller</loc>
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      <image:title>Arduino Uno DHT11: PWM Fan Speed Control | ShillehTek</image:title>
      <image:caption>Arduino Uno DHT11: PWM Fan Speed Control | ShillehTek</image:caption>
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  </url>
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      <image:title>ESP32 ST7789: Live weather and 5-day forecast | ShillehTek</image:title>
      <image:caption>ESP32 ST7789: Live weather and 5-day forecast | ShillehTek</image:caption>
    </image:image>
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      <image:title>ESP32 OLED (SSD1306): Live Crypto Price Ticker | ShillehTek</image:title>
      <image:caption>ESP32 OLED (SSD1306): Live Crypto Price Ticker | ShillehTek</image:caption>
    </image:image>
  </url>
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      <image:caption>D1 Mini I2C LCD: Live YouTube Stats Display | ShillehTek</image:caption>
    </image:image>
  </url>
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      <image:caption>Arduino Nano Relay: Measure 18650 Capacity in mAh | ShillehTek</image:caption>
    </image:image>
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      <image:title>Arduino Nano LCD1602: Auto-Ranging Ohmmeter Build | ShillehTek</image:title>
      <image:caption>Arduino Nano LCD1602: Auto-Ranging Ohmmeter Build | ShillehTek</image:caption>
    </image:image>
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      <image:caption>Arduino Nano WS2812 Matrix: Build Breakout Game | ShillehTek</image:caption>
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      <image:title>Arduino Nano OLED: LED Pendulum Metronome BPM Display | ShillehTek</image:title>
      <image:caption>Arduino Nano OLED: LED Pendulum Metronome BPM Display | ShillehTek</image:caption>
    </image:image>
  </url>
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      <image:caption>Arduino Uno 16x2 LCD: Custom Icons and Animations | ShillehTek</image:caption>
    </image:image>
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      <image:caption>Arduino Nano DS3231: Build a Binary LED Clock | ShillehTek</image:caption>
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  </url>
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      <image:caption>Arduino Nano MPU6050: Build a Self-Balancing Robot | ShillehTek</image:caption>
    </image:image>
  </url>
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      <image:title>ESP32 WebSocket Dashboard: Live Browser Sensor Chart | ShillehTek</image:title>
      <image:caption>ESP32 WebSocket Dashboard: Live Browser Sensor Chart | ShillehTek</image:caption>
    </image:image>
  </url>
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      <image:caption>Arduino Nano LM339: Measure Inductance on OLED | ShillehTek</image:caption>
    </image:image>
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      <image:caption>Arduino Nano OLED: Triggered Waveforms to ~30 kHz | ShillehTek</image:caption>
    </image:image>
  </url>
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    </image:image>
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      <image:title>ESP32 Telegram Bot: Remote Relay Pump Control | ShillehTek</image:title>
      <image:caption>ESP32 Telegram Bot: Remote Relay Pump Control | ShillehTek</image:caption>
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  </url>
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      <image:caption>ESP32 HLK-LD2450: Live Web Radar People Tracking | ShillehTek</image:caption>
    </image:image>
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    </image:image>
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    </image:image>
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    </image:image>
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    </image:image>
  </url>
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    </image:image>
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    </image:image>
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      <image:caption>LCR-T4 Transistor Tester: Identify parts and pinouts | ShillehTek</image:caption>
    </image:image>
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    </image:image>
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    </image:image>
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    </image:image>
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      <image:title>ESP8266 D1 Mini WS2812B: Phone Web Control | ShillehTek</image:title>
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    </image:image>
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      <image:title>ESP32 MAX485: Modbus RTU to TCP Gateway Build | ShillehTek</image:title>
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    </image:image>
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      <image:caption>ESP32-CAM OV3660: Stream Frames for OpenCV Detection | ShillehTek</image:caption>
    </image:image>
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      <image:title>ESP32 INMP441 I2S Mic: Calibrated dB Meter on OLED | ShillehTek</image:title>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-634833142047.png?v=1791176689</image:loc>
      <image:title>ESP32 Micro Servos: Bluetooth-Controlled Spider Robot | ShillehTek</image:title>
      <image:caption>ESP32 Micro Servos: Bluetooth-Controlled Spider Robot | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-amg8833-interpolated-thermal-heatmap-tft</loc>
    <lastmod>2026-10-08T09:37:17-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-634833174815.png?v=1791176715</image:loc>
      <image:title>ESP32 AMG8833: Interpolated Thermal Heat Map on TFT | ShillehTek</image:title>
      <image:caption>ESP32 AMG8833: Interpolated Thermal Heat Map on TFT | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-bme280-esp-now-mqtt-home-assistant</loc>
    <lastmod>2026-10-08T15:25:07-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-634833207583.png?v=1791176737</image:loc>
      <image:title>ESP32 BME280 ESP-NOW: MQTT Sensors in Home Assistant | ShillehTek</image:title>
      <image:caption>ESP32 BME280 ESP-NOW: MQTT Sensors in Home Assistant | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-bme280-grafana-live-dashboard</loc>
    <lastmod>2026-10-08T23:43:11-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/blog-thumbnail-634833240351.png?v=1791176757</image:loc>
      <image:title>ESP32 BME280: Live Grafana Dashboard via WebSocket | ShillehTek</image:title>
      <image:caption>ESP32 BME280: Live Grafana Dashboard via WebSocket | ShillehTek</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://shillehtek.com/blogs/news/esp32-inmp441-max7219-sound-reactive-led-matrix</loc>
    <lastmod>2026-10-08T22:05:07-05:00</lastmod>
    <changefreq>weekly</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0837/4340/8415/articles/esp32-inmp441-max7219-sound-reactive-led-matrix.jpg?v=1791339122</image:loc>
      <image:title>ESP32 INMP441: Sound-Reactive LED Matrix | ShillehTek</image:title>
      <image:caption>Turn Sound Into Light: INMP441 microphone and MAX7219 LED matrix for an ESP32 sound visualizer</image:caption>
    </image:image>
  </url>
</urlset>
