from machine import Pin, time_pulse_us
import time


#ULTRASONS
vitesse_son = 340
TRIG_PULSE_US = 10
ultrason_trig_1 = Pin(0, Pin.OUT)
ultrason_echo_1 = Pin(1, Pin.IN)

#BARGRAPH
while True :

    ultrason_trig_1.value(0)
    time.sleep_us(5)
    ultrason_trig_1.value(1)
    time.sleep_us(TRIG_PULSE_US)
    ultrason_trig_1.value(0)

    ultrason = time_pulse_us(ultrason_echo_1, 1 ,30000)
    distance_cm_1 = vitesse_son * ultrason / 20000

    distance_cm_3 = distance_cm_1 + distance_cm_2
    distance_cm = distance_cm_3/2





    print(distance_cm_1)