Joy-it sen-mq4 Sensor module 1 pc(s) Compatible with (development kits): Arduino, Raspberry Pi

This analogueue gas sensor has a small heating element with an electronic-chemicalsensor and is suitable for indoor use.It allows you to measure the concentration of compressed natural gas (CNG) and methane (CH4).A potentiometer is integrated on the module board, with which you can set the sensitivity and a threshold value.This makes the sensor module suitable for detecting gas leaks and, if necessary, triggering an alarm.This text is machine translated.

Price: £ 4.29 from Conrad Electronic