Just getting back into Arduino and puzzling over this probably basic point. In my main loop I have an if. Its condition is met and an LED switched on, followed by a delay of 4 seconds, then the end of the if and the loop. But the LED (and its 220 ohm resistor) appears to be getting only about 2.5V.…

have you set pinMode? show your code.

Does a delay inside an if() pause loop?

Idahowalker August 31, 2021, 3:38pm 4

Oh and use code tags when posting your code.

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