Methane (CH4) sensor: MQ-4
MQ-4 methane sensor has a fast response time and output is an analog resistance. The sensor requires to be preheated for accurate calibration. It takes more than 24 hours for the sensor to reach the right temperature after it has been powered on.
Voltage Requirements
Methane Click Board™ has been designed to use a 5V power supply only. This accessory board uses AN (OUT) mikroBUS line for communicating with the target board.