from machine import Pin 
import time
from picozero import pico_led, RGBLED,Button

rgb = RGBLED(red=4,green=2,blue=1)

  #Internal pull-up
button = Button(28)
trigger = Pin(22,Pin.OUT)
echo = Pin(26, Pin.IN)
from machine import Pin
import utime
def ultra():
   trigger.low()
   utime.sleep_us(2)
   trigger.high()
   utime.sleep_us(5)
   trigger.low()
   while echo.value() == 0:
       signaloff = utime.ticks_us()
   while echo.value() == 1:
       signalon = utime.ticks_us()
   timepassed = signalon - signaloff
   distance1 = (timepassed * 0.0343) / 2
   distance = (int(distance1))
   if distance > 300:
    rgb.color = (numbers[1])
   elif distance > 200 and distance < 250:
    rgb.color = (numbers[2])
   elif distance < 250:
    rgb.color = (numbers[3])

utime.sleep(1)

colors=["red", "green", "blue","yellow","light blue","purple","white"]
numbers = [(255,0,0),(0,255,0),(0,0,255),(255,255,0),(173,216,230),(128,0,128),(255,255,255),(0,0,0)]

while True:
  if button.value==1:
    print("ON")
    while True:
      ultra()