from machine import Pin
import utime
external=Pin(14,Pin.OUT)

while True:
  external.value(1)
  print("LED ON")
  utime.sleep(1)
  external.value(0)
  print("LED OFF")
  utime.sleep(1)
BOOTSELLED1239USBRaspberryPiPico©2020RP2-8020/21P64M15.00TTT