from machine import ADC, Pin, time_pulse_us
from utime import sleep, sleep_us
from tm1637 import*

echo = Pin(19, Pin.IN)
trigger = Pin(20, Pin.OUT)

tm1637 = TM1637(clk=Pin(0), dio=Pin(1))

def distance():
    trigger.value(1)
    sleep_us(10)
    trigger.value(0)
    timing = time_pulse_us(echo, 1, 1000000)

    if timing < 0:
        print("error measurement")
    else:
        distance = timing / 58.82
        print("Distance", distance, "cm")

    tm1637.number(int(distance))

while True:
    distance()
    sleep(0.1)