Gas sensor module MQ-2

The module is used to detect gas in small or large rooms and represents a precaution for fire or intoxication.

The sensor has a high sensitivity and the main gases they target are LPG, isobitan, propane, methane, alcohol, hydrogen?

The sensor has a comparator, so you can read analog data in real time or you can find out if the gas concentration has exceeded a certain limit.

Specifications:

voltage: 5v;
current: 150ma;
resistance heater: 33R;
working temperature: -20OC-50OC;
digital orput digital or digital or analog.

The package includes:

1 x MQ-2 gas sensor module