Wiring Tutorials

Build a Heltec V3 LoRa GPS tracker with a GT-U7 NEO-6M module that sends live coordinates over Meshtastic to a base s...

Build an Arduino 433MHz RF transmitter and receiver link to send Serial Monitor text wirelessly and display it on a 1...

Build an Arduino Uno weight sensor using an HX711 load cell amplifier and a load cell, then read and calibrate live m...

Build an Arduino Nano MG90S/SG90 servo control project using Servo.h, with smooth angle sweeps and microsecond pulse ...

Build an Arduino Uno multi-servo controller using the PCA9685 16-channel PWM driver for cleaner I2C wiring, stable ti...

Build an Arduino Uno KY-006 passive buzzer circuit that plays two tones using simple pulse timing, perfect for learni...

Build a Raspberry Pi Pico W ULN2003 stepper controller to drive a 28BYJ-48 motor with MicroPython, using safe externa...

Wire a BME280 sensor to an ESP32 LoRa V3 board and use Meshtastic to broadcast temperature, humidity, and pressure ov...

Wire an Arduino Uno to an A4988 stepper driver to spin a stepper motor forward and reverse, with speed control via ST...

Build an Arduino Uno MQ135 air quality sensor setup that prints live analog readings to the Serial Monitor for quick ...

Build an ESP32 2-channel relay controller to switch two loads reliably with Arduino code, with shared ground and stab...

Build an Arduino UNO 2-channel relay module controller to switch two loads with active LOW support, clean wiring, and...