from picozero import DistanceSensor, RGBLED, Button
from time import sleep
us = DistanceSensor(echo = 3, trigger = 2, max_distance = 2)
rgb = RGBLED(28, 27, 26)
button = Button(1)
def DistanceMeter():
    print("Working")
    colors = [0,1]
    while True:
        if us.distance > 1.5:
                rgb.color = (0,255,0)
        elif us.distance < 1.5 and us.distance > 1:
            rgb.color = (155,155,0)
            sleep(1)
            rgb.off()
            sleep(1)
        else:
            rgb.color = (255,0,0)
            sleep(0.1)
            rgb.off()
            sleep(0.1)
button.when_activated = DistanceMeter