I want to connect a photoresistor to RAK811 ADC pin, what is the input voltage range for ADC input?
Hi, can someone clarify ADC input 0~3.3v, not -3.3~3.3v ?
I want to connect a photoresistor to RAK811 ADC pin, what is the input voltage range for ADC input?
Hi, can someone clarify ADC input 0~3.3v, not -3.3~3.3v ?