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Topic: [Solved] How to calibrate potensiometer in mq sensor gas module ?  (Read 435 times) previous topic - next topic


Hello, i'm rico i need help, how to calibrate potentiometer of mq sensor gas module ? i had search  in google, but i didnt get it, :(   
and how to determine the amount of the resistor, thank you :)

picture  attached.

answered :

trim potentiometer http://www.ebay.com/itm/10pcs-10K-ohm-3362P-Trim-Pot-Trimmer-Potentiometer-3362-P103-10K-HM-/201181502224

using like this : https://www.youtube.com/watch?v=EIP5vKLmreg


To calibrate the sensor, you would need a known concentration of gas to set it off.


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