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Topic: Due blinks before turn on LED first time. (Read 334 times) previous topic - next topic

jstampfl

The first time I turn on a LED (digitalWrite(9,HIGH), there is a quick blink then the LED stays on.

This does not happen with the Mega2560.

After the first write, seems to work as expected.

I used the blink program, just changing the LED to pin9.

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