Hi! I am new here so I hope that you guys can help me with a problem. The following code turns on and off the Pin 13 LED via a button connected to Pin 2. int val = 0; int old_val = 0; int stateOfLED = 0; void setup(){ pinMode(2, INPUT); pinMode(13, OUTPUT); } void loop(){ val = digitalRead(…

Blinking LED

system May 15, 2014, 3:28pm 3

Am I doing something wrong in the sketch?

Maybe. Maybe not. It all depends on how your switch is actually wired. Which you haven't described.

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