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KC-868-A4 0v-5v ADC no where near accurate
#1
Connecting the 0-5v generator to the A3 or A4 the ADC is reporting considerably lower voltages than what is physically generated and measured using a multimeter. 

Also if program an event using IFTTT using the ADC voltage to switch a Digital output it will not trigger the event?
E.G. IF AI3 is <=2.00v THEN DO1 to On  if I reduce the voltage to AI3 to less than 2.00v or even drop it down to zero volts DI1 output does not change state.

           
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