Hi there, I've taken the blink sketch and changed it to have 3 LEDs blinking in sequence and I can control the timing by using a potentiometer... What Iwant to do is add a button to change the direction of the sequence and then change it back with another click. What do I need to add to the sketch …

Reversing a Sketch with a button

wildbill April 11, 2014, 1:13pm 8

You have a inappropriate semi-colon here where you actually need an opening brace - {

 if(buttonState == HIGH); //turn LED on

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