http://de.serlo.org/informatik/baustelle/internet-dinge/kompendium/analoge-sensoren
import timeimport boardimport analogioanalog_in = analogio.AnalogIn(board.A1)def get_voltage(pin): return (pin.value * 3.3) / 65536while True: print((get_voltage(analog_in),)) time.sleep(0.1)