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

econjack April 10, 2014, 4:56pm 2

How does buttonState get changed? Try looking at what comes back from the switch. Also, why an analogRead() when you're just looking for a switch closure?

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Reversing a Sketch with a button

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