matrix

Cheap Keypad and Arduino

Cheap Keypad and Arduino

I just received a package of 10 flexible keypads I bought on eBay for 15.88$, shipping included. Having a keypad in your project opens so many possibilities, at 1.59$ each I think it’s a deal! I found a keypad library for Arduino on the Arduino Playground. I made some minor modifications to the sample code […]

LED Matrix and Arduino

LED Matrix and Arduino

Light Emitting Diodes (LED) are everywhere. There is a good reason for that, we love them! Most of us are using LEDs to communicate information, debug our code or simply add some style to our electronic projects. One of the first things one normally want to do is pack a bunch of LED to create […]

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