# This work is licensed under the MIT license. # Copyright (c) 2013-2024 OpenMV LLC. All rights reserved. # https://github.com/openmv/openmv/blob/master/LICENSE # # Timer Control Example # # This example shows how to use a timer for callbacks. import time from machine import LED from machine import Timer blue_led = LED("LED_BLUE") # we will receive the timer object when being called # Note: functions that allocate memory are Not allowed in callbacks def tick(timer): blue_led.toggle() # The machine module currently only supports virtual timers via -1. tim = Timer(-1, freq=1, callback=tick) # create a timer object - trigger at 1Hz print(tim) while True: time.sleep_ms(1000)