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

This includes popular development boards such as the Arduino UNO, Arduino Nano, Seeed Studio XIAO ESP32C3, ... Creating a diagram with Circuit Canvas is straightforward.

Prototype was constructed & tested using “Arduino UNO-R3” board; Sketch created,compiled & uploaded (to Arduino board) using Arduino IDE0022; Piezo-Speaker in the circuit is a “passive piezo-speaker”.