# print("Hello,Pi Pico!")
from machine import Pin
import utime
trigger = Pin(3,Pin.OUT)
echo = Pin(2,Pin.IN)
def ultra():
  trigger.low()
  utime.sleep_us(2)
  trigger.high()
  utime.sleep_us(5)
  trigger.low()
  while echo.value()==0:
    signaloff = utime.ticks_us()
  while echo.value()==1:
    signalon = utime.ticks_us()
    timepassed = signalon - signaloff
    distance=(timepassed*0.0343)/2
    print("The distance from object is",distance,"cm")
while True:
  utime.ticks_us()
  ultra()
  utime.sleep(1)