STM32L051C8 uses ADC to measure voltage value error is 50mV
STM32L051C8 uses ADC to measure the voltage value. The measured voltage value of the AD pin is 0.432V,VCC=3.335V, and the voltage value obtained through AD collection is 0.48V; there is an error of 50mV, and the ADC part of the program and hardware a...