Build a modern twist on the classic Theremin using time-of-flight sensors and analog sound generation. No musical talent required, just a love for tinkering!

This DIY gas leakage detector is designed for educational and basic monitoring purposes. For critical safety applications, ...

Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and ...