from machine import Pin
import utime
red=Pin(27,Pin.OUT)
green=Pin(22,Pin.OUT)
blue=Pin(21,Pin.OUT)
while True:
red.value(1)
green.value(1)
blue.value(1)
utime.sleep(1)
red.value(0)
green.value(1)
blue.value(1)
utime.sleep(1)
red.value(1)
green.value(0)
blue.value(1)
utime.sleep(1)
red.value(1)
green.value(1)
blue.value(0)
utime.sleep(1)