Raspberry Pi, ESP32 & Arduino Tutorials

Set up ESP32-S3-DevKitC-1 N16R8 in Arduino IDE, enable OPI PSRAM, and confirm 16 MB Flash plus 8 MB PSRAM for memory-heavy builds...

Build an Arduino Nano MAX30102 pulse oximeter that shows live BPM and optional SpO2 on an SSD1306 OLED, using the SparkFun library...

Build a Raspberry Pi Pico 2W BLE macropad in CircuitPython to trigger six wireless hotkeys from mechanical switches. Get the parts fast...

Flash an ESP8266 ESP-01 and STM32 Blue Pill over UART using a CP2102 USB-to-TTL adapter, with stable power wiring tips for reliable...

Set up an ESP32-C3 DevKit in Arduino IDE, then verify WiFi scanning and BLE 5 notifications for a low-cost IoT node workflow...

Build an Arduino Nano clock with a DS3231 RTC and TM1637 display for a drift-free desktop alarm clock with temperature readout using...

Build an ESP32 LVGL touchscreen smart switch UI with relay control, a DHT22 temperature gauge, and MQTT updates for Home Assistant using...

Build a hidden touch switch using an Arduino Nano and TTP223B to toggle a relay through acrylic or wood, for clean enclosures...

Build an Arduino Nano motion detector using the RCWL-0516 microwave radar sensor to switch a relay, with reliable through-wall sensing from ShillehTek.

Build a repairable TP4056 USB-C 18650 power bank with a 3P pack and 5V boost output, saving money and letting you replace...

Build an ESP32-CAM + PIR solar off-grid motion camera that uploads photos to Telegram and deep-sleeps for long runtime, using ShillehTek parts.

Build an ESP32 + HLK-LD2410 mmWave bedroom occupancy sensor for reliable still-presence detection and Home Assistant automations, using parts from ShillehTek.