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Error message

Hi,

I create a small circuit (just an arduino, and a led)

My programm is like 

void loop()

{ digitalWrite(13, HIGH);

delay(1000); // waits for a second

digitalWrite(13, LOW);

delay(1000); // waits for a second }

It works, but the LED as a kind of (!) and an error message when I move my mouse over it.

(the bug is that there is no resistance !!!)

But: after 1 second, the led is off, and there is no more error message.

 

How can I read the error message ? 

In this case, it's easy, I can increase the Delay. But in a more complex programm, how can I have a copy of the error message ?

 

Best regards,

Alain

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