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X-Y coordinate mouse box - á la Etch-a-Sketch » Historique » Version 1

Sander Samuel, 07/05/2015 10:44

1 1 Sander Samuel 
X-Y coordinate mouse box - á la Etch-a-Sketch
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Arduino Micro has Atmel 32U4 as a brain, and this chip can act as a a generic HID device and emulate a mouse. So I'll attach two rotary encoders for X & Y, probably a IR sensor, so it can also take commands from a remote control, and put it in a box. With a nice cable and two knobs on it it should convince anybody to abandon their trackpads forever.
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Parts:





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* Atmel 32U4 based [Arduino Leonardo Micro Pro](https://www.sparkfun.com/products/12640) clone -	[ebay](http://www.ebay.fr/itm/Leonardo-Pro-Micro-ATmega32U4-Arduino-IDE-1-0-3-Bootloader-replace-Pro-Mini-/310634777706?pt=LH_DefaultDomain_0&hash=item4853468c6a)





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* 2 rotary encoders [ebay](http://www.ebay.fr/itm/310702417391?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649)





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* Nice [cable](http://www.ebay.fr/itm/291301484101?var=590434167867)





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![board](https://dl.dropboxusercontent.com/u/2515634/acolab-redmine/micro-pro.JPG)





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![encoder](https://dl.dropboxusercontent.com/u/2515634/acolab-redmine/rotary-encoder.jpg)![encoder](https://dl.dropboxusercontent.com/u/2515634/acolab-redmine/rotary-encoder.jpg)





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![cable](https://dl.dropboxusercontent.com/u/2515634/acolab-redmine/cable.jpg)





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Code:





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* [mouse and keyboard libraries](http://www.arduino.cc/en/Reference/MouseKeyboard)





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* [encoder library](http://www.pjrc.com/teensy/td_libs_Encoder.html)