STM32F042: ADC conversion keeps getting ~.3 - .4V even with 0V input
Posted on November 13, 2017 at 20:43I am not sure why I keep getting around .3 - .4 V even when the measured input is at 0V using a hand-held DMM. It's hard to imagine my ground noise is that high. Do you think it could be a software issue? Here ...