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FunctionalCircuitDiagramOfKeyboardNumPadScanningProcedure-small.gif(740 × 520 pixels, file size: 249 KB, MIME type: image/gif, looped, 12 frames, 5.5 s)


Source Own work
Author Kai Burghardt
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This is a smaller version of FunctionalCircuitDiagramOfKeyboardNumPadScanningProcedure.gif without transparency to enable the use of the thumbnail functions.


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For economic cabling (computer) keyboard buttons are wired based on a grid layout which then is queried by a microcontroller sequentially.

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current19:18, 22 February 2014Thumbnail for version as of 19:18, 22 February 2014740 × 520 (249 KB)Kai Burghardtinverted colors (lack of contrast yellow/white)
19:21, 10 October 2013Thumbnail for version as of 19:21, 10 October 2013740 × 520 (264 KB)Kai Burghardt.
19:13, 10 October 2013Thumbnail for version as of 19:13, 10 October 2013740 × 520 (95 KB)Kai Burghardt{{Information |Description ={{en|1=.}} |Source ={{own}} |Author =Kai Burghardt |Date =3013-10-10 |Permission = |other_versions = }} Large version [[:File:FunctionalCircuitDiagramOfKeyboardNumPadSc...
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