from machine import Pin
import time
relayIn=Pin(12,Pin.OUT)
relayOut=Pin(16,Pin.OUT)
trig=Pin(32,Pin.OUT)
echo=Pin(33,Pin.IN)
Ton=Toff=t=distance=0
while 1:
  trig.on()
  time.sleep_us(10)
  trig.off()
  time.sleep_us(2)
  while echo.value()==0:
    Toff=time.ticks_us()
  while echo.value()==1:
    Ton=time.ticks_us()
  t=Ton-Toff
  distance=(t*0.034)/2
  water=400-distance
  if 100<water<300:
    print("moyenne")
    print(water)
    relayIn.on()
    relayOut.on()
  elif water<100:
    print("niveau bas")
    print(water)
    relayIn.on()
    relayOut.off()
  else:
    print("niveau haut")
    print(water)
    relayIn.off()
    relayOut.on()