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ShillehTek IoT & Beyond

Raspberry Pi, ESP32 & Arduino Tutorials

Free step-by-step guides, wiring diagrams, and code for makers — new builds added every week.

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318 tutorials
Arduino Nano INA219: Measure Voltage, Current, Power | ShillehTek
May 18, 2026 Mahmood M. Shilleh 33 views

Arduino Nano INA219: Measure Voltage, Current, Power | ShillehTek

Build an Arduino Nano INA219 wattmeter to read voltage, current, and power over I2C for accurate low-current monitori...
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Arduino Nano DS3231 RTC: Schedule Servo Pet Feeder | ShillehTek
May 18, 2026 Mahmood M. Shilleh 35 views

Arduino Nano DS3231 RTC: Schedule Servo Pet Feeder | ShillehTek

Build an Arduino Nano DS3231 RTC pet feeder that dispenses on a schedule with a servo, buzzer alerts, and a manual ov...
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Arduino TCS3200: Build a Color-Sorting Machine | ShillehTek
May 18, 2026 Mahmood M. Shilleh 21 views

Arduino TCS3200: Build a Color-Sorting Machine | ShillehTek

Build an Arduino Nano TCS3200 color-sorting machine that reads candy colors and rotates a servo to route each piece i...
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ESP32 BME280 + ST7735: Wi-Fi Weather Station Display | ShillehTek
May 18, 2026 Mahmood M. Shilleh 29 views

ESP32 BME280 + ST7735: Wi-Fi Weather Station Display | ShillehTek

Build an ESP32 Wi-Fi weather station with a BME280 sensor and ST7735 TFT display to show indoor readings plus OpenWea...
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ESP32 HC-SR501 PIR: Telegram mailbox alerts | ShillehTek
May 18, 2026 Mahmood M. Shilleh 13 views

ESP32 HC-SR501 PIR: Telegram mailbox alerts | ShillehTek

Build an ESP32 + HC-SR501 PIR mailbox notifier that sends Telegram alerts when the door opens, helping you avoid wast...
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Arduino Nano HC-05: Bluetooth Robot Car Control | ShillehTek
May 18, 2026 Mahmood M. Shilleh 38 views

Arduino Nano HC-05: Bluetooth Robot Car Control | ShillehTek

Build an Arduino Nano robot car using an HC-05 Bluetooth module and L298N motor driver for phone control, including w...
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ESP32 DHT22: Automate Greenhouse Fan and Pump | ShillehTek
May 18, 2026 Mahmood M. Shilleh 34 views

ESP32 DHT22: Automate Greenhouse Fan and Pump | ShillehTek

Build an ESP32 smart greenhouse using a DHT22, soil moisture sensor, and 2-channel relay to automatically run a fan a...
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Arduino DS3231 RTC: OLED Alarm Clock with Buzzer | ShillehTek
May 17, 2026 Mahmood M. Shilleh 52 views

Arduino DS3231 RTC: OLED Alarm Clock with Buzzer | ShillehTek

Build an Arduino DS3231 RTC alarm clock with an SSD1306 OLED and buzzer for accurate, battery-backed timekeeping and ...
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ESP32 vs ESP8266: Pick the Best Board for 2026 | ShillehTek
May 17, 2026 Mahmood M. Shilleh 67 views

ESP32 vs ESP8266: Pick the Best Board for 2026 | ShillehTek

Compare ESP32 vs ESP8266 in 2026 to pick the right Wi-Fi microcontroller board based on GPIO, Bluetooth, ADC, cost, a...
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Arduino Nano HM-10 BLE: Control from iPhone | ShillehTek
May 17, 2026 Mahmood M. Shilleh 30 views

Arduino Nano HM-10 BLE: Control from iPhone | ShillehTek

Build an iPhone-controlled Arduino Nano project using the HM-10 BLE module to send simple commands that toggle output...
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Arduino MAX7219 Dot Matrix: Scrolling LED Marquee | ShillehTek
May 17, 2026 Mahmood M. Shilleh 35 views

Arduino MAX7219 Dot Matrix: Scrolling LED Marquee | ShillehTek

Build an Arduino MAX7219 dot matrix scrolling LED marquee for readable signs and status messages using only 3 control...
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Arduino Nano RC522 RFID: Smart Door Lock with OLED | ShillehTek
May 17, 2026 Mahmood M. Shilleh 21 views

Arduino Nano RC522 RFID: Smart Door Lock with OLED | ShillehTek

Build an Arduino Nano RC522 RFID smart door lock with an OLED status screen and servo latch action, using simple wiri...
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