6Button
Ladyada writes-

If you have a lot of button inputs for a project, keeping track of them (whether they’re pressed, just pressed or just released) and debouncing can get a bit hairy. here is some sample code that will keep track of as many buttons as you’d like. The example shows 6. To change the pins or number of buttons, just put them in the array called “buttons” and the rest of the code will automatically adjust. (The code is in Arduino-ese but its pretty much just straight up C) Enjoy!

Phillip Torrone

Editor at large – Make magazine. Creative director – Adafruit Industries, contributing editor – Popular Science. Previously: Founded – Hack-a-Day, how-to editor – Engadget, Director of product development – Fallon Worldwide, Technology Director – Braincraft.


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