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Raspberry Pi, ESP32 & Arduino tutorials
460+ free tutorials covering Raspberry Pi, ESP32, Arduino, and embedded systems — written by engineers who use this hardware every day.
Arduino Mega 2560 HC-05: Route Serial to Uno and PC | ShillehTek
Build an Arduino Mega 2560 serial router with an HC-05 so your PC and phone can control an Uno over multiple UARTs at once, using parts f...
Read articleRP2040-Zero MPU6050: Build a USB HID Air Mouse | ShillehTek
Build an RP2040-Zero USB HID mouse with five buttons, then add an MPU6050 for tilt-based cursor control for a simple air mouse using Shil...
Read articleArduino Uno DHT11: SD Data Logger with Timestamps | ShillehTek
Build an Arduino Uno DHT11 data logger that writes timestamped temperature and humidity readings to a micro SD card using a DS3231 RTC, w...
Read articleArduino S8050 Transistor: Switch Motors and LED Strips | ShillehTek
Build an Arduino Uno S8050 transistor switch to control a 12 V LED strip and PWM a DC motor safely, including base resistor sizing and a ...
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