Goal: I want the variable tweet (which outputs either HIGH or LOW inside the void print() function) to turn on and off the LED_BUILTIN. Restriction: The if statement "producing" the tweet must run outside of the void loop(). Problem: It seems that the void print() function does not return / exp…

How to return a value from a void function and use it inside the void loop?

0011 January 23, 2017, 7:33pm 17

Thank you for your comments. I will come back to you guys here, once I understand.

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