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Yes, the data sheet of the ADC mentions that the Supply Range is 2.0V up to 5.5V
I do not really know what to expect. After some research I found out that gas sensors have to be calibrated with chemical samples and an adjustable resistor. Nevertheless the fluctuations I see seem strange to me...
I connected the ADC0 input with the 5v pin of the pi but the value is extremely fluctuating. It does not seem to provide usable values. ?
Do you know what the problem might be?
Hello experts!
I am totally new to electronics and I need help with connecting the MQ135 Gas sensor with my raspberry pi 3B+ and with interpreting the data that the sensor provides. My main problem is that the sensor provides analog signals and the RPi 3B+ does not have a pin for analog...
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