from machine import time_pulse_us , Pin
import time

#define the trig and Echo PIn

TRIG_PIN = 14
ECHO_PIN = 12

trig = Pin(TRIG_PIN, Pin.OUT)
echo = Pin(ECHO_PIN, Pin.IN)

def get_distance():
    trig.value(1)
    time.sleep_us(10)
    trig.value(0)
    
    #wait to recieve
    duration = time_pulse_us(echo, 1, 300000)


    #calculate distance in cm
    distance = (duration * 0.0343) / 2

    return distance

while True:
    obj_distance = round(get_distance())

    print(f'distance : {obj_distance}')