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| from machine import Pin,Timer | |
| led = Pin(47) | |
| led.init(led.OUT) | |
| def led_toggle(t): | |
| global led | |
| led.value(1 - led.value()) | |
| tim = Timer(3) | |
| tim.init(period=500000,mode=tim.PERIODIC,callback=lambda t:led_toggle(t)) |
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