led_pin = 16
sensor_pin = 2

led_on = false

register-task("blink", 500):
  if led_on:
    set-pin(led_pin, 0)
  else:
    set-pin(led_pin, 1)
  led_on = !led_on

register-task("sense", 1000):
  val = read-sensor(sensor_pin)
  log(val)