Between 20 and 30 V, also want to between 200 and 400 V, also want to thousands of V

CodePudding user response:

CodePudding user response:

Should specify the output signal form, precision, appearance,

CodePudding user response:

I also only taobao search to the first reply this, no other modules?

CodePudding user response:

After partial pressure measured with adc