# Timer Test Example # # This example tests all the timers. import time from pyb import Pin, Timer, LED blue_led = LED(3) # Note: functions that allocate memory are Not allowed in callbacks def tick(timer): blue_led.toggle() print("") for i in range(1, 18): try: print("Testing TIM%d... "%(i), end="") tim = Timer(i, freq=10) # create a timer object using timer 4 - trigger at 1Hz tim.callback(tick) # set the callback to our tick function time.sleep_ms(1000) tim.deinit() except ValueError as e: print(e) continue print("done!")