RAK811 ADC input voltage

fangfchen · December 9, 2019, 11:49pm

I want to connect a photoresistor to RAK811 ADC pin, what is the input voltage range for ADC input?

fangfchen · January 5, 2020, 4:37am

Hi, can someone clarify ADC input 0~3.3v, not -3.3~3.3v ?

leopold · January 6, 2020, 2:32am

@fangfchen
Yes,it’s 0~3.3V with ADC input.