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  1. #1
    Looks good, what kind of switches did you use ? could you have based it on a USB or wireless numeric keypad thus avoiding the Arduino ?
    e.g. http://www.ebay.co.uk/itm/Number-Num...item338b160591
    Last edited by EddyCurrent; 05-03-2014 at 08:40 AM.
    Spelling mistakes are not intentional, I only seem to see them some time after I've posted

  2. Hi Eddy
    Each button is made from 3 and 5mm thick acrylic. Top part is painted mat black and then engraved. After that the two parts are glued together. Each button presses tactile switch. Each tactile switch/button is connected to one dedicated port in arduino leaonardo. The sketch in arduino works as follow: When the button is pressed arduino detect change of the value on the input port. Dependent on what button is pressed the arduino sends a specific command to the computer. For example when START button is pressed Arduino sends code of ALT press then shortly after that the letter R, when button is released it sends command of release Key R the release ALT. Sorry but there is no way to use this ebay keypad and to avoid arduino.
    Worth mentioning that there is no need to install any software or plugins on the computer- it sees the control panel as standard USB keyboard.
    Few pics of the parts:
    Click image for larger version. 

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    Picture above shows my first acrylic back-plate which was kind of failure.

    Click image for larger version. 

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    It was pain in the neck to glue all parts together and it didn't work as i wanted to. So I've redesigned it all and instead I've cut one-piece backplate from plywood.
    Click image for larger version. 

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    Click image for larger version. 

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