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

Here is the circuit of an Arduino-based Panic Alarm! The wiring is very simple so that even a novice can construct this interesting circuit without any. ... Panic Alarm Arduino Connection Reference ...

The +5V supply line (VCC) of the module is linked to the 5V line of the Arduino. GND of the module is the common (0V) connection. The digital signal output to be detected (usually marked ... Arduino ...