from machine import Pin, ADC, I2C
from neopixel import NeoPixel
from hcsr04 import HCSR04
import time
import utime

sensor=HCSR04(trigger_pin=5, echo_pin=18)

num_leds=4
neo =NeoPixel(Pin(27), num_leds)

def set_color(r,g,b):
    for i in range(num_leds):
        neo[i]=(r,g,b)
    neo.write()

while True:
    distancia=sensor.distance_cm()
    print("Distancia: ", distancia, " cm")
    utime.sleep(0.5)
    if(distancia>2 and distancia<100):
        set_color(221, 245, 39)
    elif(distancia>100 and distancia<300):
        set_color(0, 245, 0)
    else:
        set_color(255, 0, 0)