Re: gEDA-user: Suggestions for using a capacitive sensor IC

[Bob Paddock <bob.paddock@xxxxxxxxx>]

On Saturday 19 July 2008 12:30:13 am Robert Butts wrote:
> I'm using Quantum's QTouch

FYI: Atmel bought Quantum.  Don't expect that will mean much,
but maybe we'll see some AVR's with this built in someday.

On Saturday 19 July 2008 01:34:55 am DJ Delorie wrote:
> For plain circles, smt pads are easier and better.

Good background on capacitive sensing pattern layout, espcially AN338.pdf:

http://www.silabs.com/tgwWebApp/public/web_content/products/Microcontrollers/en/touch_sense.htm

http://www.silabs.com/public/documents/tpub_doc/anote/Microcontrollers/Small_Form_Factor/en/AN338.pdf

http://www.microchip.com/Stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1824&appnote=en531257

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