Make + Key = MaKey MaKey!
Turn the whole world into a keyboard! It's a simple Invention Kit for Beginners or Experts doing art, engineering, and everything in between. Using the MaKey MaKey you can make anything and everything into a key just by connecting a few crocodile clips. The MaKey MaKey is an invention kit that tricks your computer into thinking that almost anything is a keyboard. This allows you to use up all kinds of fun things as an input. For example, play Mario with a Play-Doh keyboard, or piano with fruit!
The MaKey MaKey uses high resistance switching to detect when you've made a connection even through materials that aren't very conductive (like leaves, fruits or people). This technique attracts noise on the input, so a moving window averager is used to lowpass the noise. The on-board ATMega32u4 communicates with your computer using the Human Interface Device (HID) protocol which means that it can act like a mouse or keyboard.
There are six inputs on the front of the board, which can be attached to via crocodile clipping, soldering to the pads, or all other methods you can think of. There are another 12 inputs on the back, 6 for keyboard keys, and 6 for mouse motion, which you can access with jumpers via the female headers. If you wish to use a different set of keys, or otherwise change the behavior of your MaKey MaKey, you can simply reprogram it using the Arduino environment. And yes, MaKey MaKey is an Arduino-compatible controller!That's right, it runs the Leonardo bootloader so reprogramming is fast and easy.
Check out the video below to see what can you make from MaKey MaKey...
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