from ultrason import HCSR04
from time import sleep
import machine
import utime

sensor = HCSR04(trigger_pin=27, echo_pin=28, echo_timeout_us=10000)

pin = [2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
led = []
for i in range(10):
    led.append(machine.Pin(pin[i], machine.Pin.OUT))

def led_off():
    for i in range(10):
        led[i].off()


while True:
    distance = sensor.distance_cm()
    print('Distance:', distance, 'cm')
    
    if distance >= 250:
        for i in range(10):
            led[i].on()
    elif distance >= 200:
        led_off()
        led[0].on()
        led[3].on()
    elif distance >= 150:
        led_off()
        led[0].on()
        led[3].on()
        led[4].on()
        led[5].on()
    elif distance >= 100:
        led_off()
        led[0].on()
        led[3].on()
        led[4].on()
        led[5].on()
        led[6].on()
        led[7].on()
    elif distance >= 50:
        led_off()
        led[0].on()
        led[1].on()
        led[3].on()
        led[4].on()
        led[5].on()
        led[6].on()
        led[7].on()
        led[8].on()
        led[9].on()
    else:
        led_off()

    sleep(1)