import machine
import utime

# Interner Temperatursensor ist an ADC 4 angeschlossen
sensor = machine.ADC(4)

def read_temp():
    # ADC-Wert lesen
    raw = sensor.read_u16()
    # Umrechnung in Temperatur in Grad Celsius laut Pi Doku
    temperature = 27 - (raw - 0x1000) / 655.36
    return temperature

while True:
    temp = read_temp()
    print("Interne Temperatur Pico: {:.2f} °C".format(temp))
    utime.sleep(1)