hi, i found solution, Po is ADC output for interfacing to analog input arduino, but the problem is went PH water is low ADC output from Po is high value, and wen PH water is high ADC output from Po is low, how to reverse this in float code?
hi, i found solution, Po is ADC output for interfacing to analog input arduino, but the problem is went PH water is low ADC output from Po is high value, and wen PH water is high ADC output from Po is low, how to reverse this in float code?