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)

BOOTSELLED1239USBRaspberryPiPico©2020RP2-8020/21P64M15.00TTT