Files
libopencm3-examples/examples/stm32/f0/stm32f0-discovery/adc

README

It's intended for the ST STM32F0DISCOVERY eval board. Measures voltage on the ADC_IN1 input, and prints it to the serial port.

Board connections:

PA1 (ADC_IN1) Analog input PA9 (USART1) TTL serial output (38400,8,N,1)