from machine import Pin
import time
import machine
echo=Pin(34,Pin.IN)
trig=Pin(23,Pin.OUT)
while True:
    trig.off()
    time.sleep_us(10)
    trig.on()
    time.sleep_us(10)
    trig.off()
    time.sleep_us(10)
    totaltime=machine.time_pulse_us(echo,1)
    print("Time:")
    print(totaltime)
    distance=(totaltime*0.34)/2
    print("Distance: ")
    print(distance)
    time.sleep(5)