Mmakecademy
Arduino board ready for an electronics project

Learn electronics by building

Electronics and IoT projects you can actually build

Practical tutorials and structured courses for Arduino, ESP32, Raspberry Pi, sensors, and smart-home systems.

ESP32 connected to a DHT22 temperature and humidity sensor

Free ESP32 temperature guide

Build a live room monitor with an ESP32 and DHT22

Follow the exact wiring and complete Arduino code, then open live temperature and humidity readings from any browser on your network.

  • ESP32 + DHT22 setup
  • Local dashboard
  • Wiring and code
  • Troubleshooting checks
Get the free guide