import time
from machine import Pin

print("Hello, ESP32!")

ampel1_rot = Pin(22, Pin.OUT)
ampel1_gruen = Pin(21, Pin.OUT)

schalter = Pin(23, Pin.IN)
taster = Pin(15, Pin.IN)

while True:
  if schalter.value()==1:
    print(taster.value())
    ampel1_rot.on()
    ampel1_gruen.off()
    time.sleep(0.5)
    ampel1_rot.off()
    ampel1_gruen.on()
    time.sleep(0.5)