Hi, I would like to know if and how often you have to calibrate the MQ sensors. Just before the first start or every reboot / restart of the Arduino? Or if I have calibrated once, can I take the MQ and use it on another Arduino? Thanks

MQ-Sensors calibrate

Topic		Replies	Views
MQ sensor usage Sensors	3	822	May 6, 2021
Which means " burn-it" the sensor (MQ-135)? Sensors	6	6112	May 6, 2021
MQ and MICS Gas Sensors Sensors	8	2060	May 6, 2021
Alcohol Sensor MQ3 - A lot of problems with it Sensors	3	6013	May 6, 2021
Regarding about MQ-5 Gas Sensor General Electronics	1	617	May 6, 2021