MS1100 CJMCU - 1100-1100 MS VOC concentration of benzene, formaldehyde gas sensor module
Who knows the formaldehyde sensor of formaldehyde concentration and output current relationship? I'm not programming, a

CodePudding user response:

You buy this module is a pit, incredibly no relationship table
Module is a potentiometer, then you should find the sensor data, and then to calculate with partial pressure resistance

CodePudding user response:

I will, this cheap, buy a

CodePudding user response:

The webmaster, will you?? I am stuck in here??

CodePudding user response:

The instructions, please?

CodePudding user response:

Take a look at...

CodePudding user response:

Find merchants take information ah, have reference code, DOUT output high and low level, produce AOUT is an analog output, will use a ADC0832 chips. To calculate the concentration with the ADC chip