How to blink Raspberry Pi Pico onboard LED?

27 Jan 2024

Original documentation for Raspberry Pi documentation shows turning on LED this code.

from machine import Pin, Timer
led = Pin(25, Pin.OUT)
timer = Timer()

def blink(timer):
    led.toggle()

timer.init(freq=2.5, mode=Timer.PERIODIC, callback=blink)

Above code doesn’t work. It should be changed to this.

from machine import Pin, Timer
led = machine.Pin("LED", machine.Pin.OUT)
timer = Timer()

def blink(timer):
    led.toggle()

timer.init(freq=2.5, mode=Timer.PERIODIC, callback=blink)

Reference

Tags

  • Pico
  • Raspberry Pi
  • LED