Raspberry Pi, ESP32 & Arduino Tutorials

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

Build an Arduino 433MHz RF transmitter and receiver link to send Serial Monitor text wirelessly and display it on a 16x2 LCD...

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

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

Build an adjustable DC-DC power supply with the MT3608 boost converter, set a safe output voltage with a multimeter, and protect your...

Install OpenClaw on a Raspberry Pi to run a self-hosted AI assistant gateway 24/7, pair it with WhatsApp or Telegram, and manage...

Build an ESP32 soil moisture sensor monitor with analog-to-percent readings and a Wi-Fi web dashboard, so you can check plant moisture from...

Build an Arduino Uno multi-servo controller using the PCA9685 16-channel PWM driver for cleaner I2C wiring, stable timing, and easy scaling with...

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

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

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

Build an STM32CubeIDE HAL project to blink the STM32F411CEU6 Black Pill onboard LED (PC13) and verify your toolchain and flashing workflow with...