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

Each animation has a different Arduino code ... LED lights up, the buzzer beeps and the seven-segment LED display counts up. After making contact ten times, the buzzer blares out an annoying sound ...

Now, anyone with an interest in electronics can easily build a system with their own Arduino ... Pee-light gives a simple parts list and provides copy of the code required to program it: PIR Movement ...