import machine, time
from machine import Pin
#from hcsr04 import HCSR04


#sensor=HCSR04(trigger_pin=2,echo_pin=4,echo_timeout_us=10000)

echo=Pin(4,Pin.IN)
trig=Pin(2,Pin.OUT)


while True:
    trig.value(0)
    time.sleep_us(2)
    trig.value(1)
    time.sleep_us(10)
    trig.value(0)

    x=machine.time_pulse_us(echo,1)
    
    #distance=sensor.distance_cm()
    distance=(0.034*x)/2
    print("The distanve is ",distance,"cm")
    time.sleep(1)