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PIC18f4550 for controller finger sense

 
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filjoa



Joined: 04 May 2008
Posts: 260

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PIC18f4550 for controller finger sense
PostPosted: Thu Sep 04, 2008 6:41 pm     Reply with quote

Hi

I would like make one project where I have one finger sense like this:

http://img.mercadolivre.com.br/jm/img?s=MLB&f=75097289_262.jpg&v=P
http://www.microsoft.com/hardware/mouseandkeyboard/features/fingerprint.mspx

And with PIC18f4550 I can control, for example, open an relay if the finger stay registered on PIC memory...

Someone can tell me if this is possible? or only can make this with a PC?

Best Regards, Filipe Abrantes
FvM



Joined: 27 Aug 2008
Posts: 2337
Location: Germany

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PostPosted: Thu Sep 04, 2008 11:32 pm     Reply with quote

It's mainly a question of using the right sensor. Cause complex 2D signal processing is involved, the application most likely overstretches a PIC, partcicularly regarding memory resources.

But embedded modules with integrated processing are available, you surely will find a lot under the keyword fingerprint, e.g.:
http://www.supremainc.com/eng/product/em_10.php?mark=21
filjoa



Joined: 04 May 2008
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PostPosted: Fri Sep 05, 2008 2:13 pm     Reply with quote

I try contact this sellers but it dont reply me ....

some one know where I can buy one of this module? I try find on ebay but I dont find anything...

regards
FvM



Joined: 27 Aug 2008
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PostPosted: Fri Sep 05, 2008 3:17 pm     Reply with quote

Google can tell you, that Suprema has resellers for SFM3000 around the world. Similar products from other manufacturers surely exist.
filjoa



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PostPosted: Sat Sep 06, 2008 2:42 pm     Reply with quote

Sorry but I try find one fingerprint with RS232 for buy and don't find anything...

regards
ckielstra



Joined: 18 Mar 2004
Posts: 3680
Location: The Netherlands

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PostPosted: Sat Sep 06, 2008 7:19 pm     Reply with quote

A good starting point for searching is this slightly outdated site with an overview of many fingerprint sensors: http://pagesperso-orange.fr/fingerchip/biometrics/types/fingerprint_sensors_productsi.htm

A search on Google for the keywords "fingerprint OEM" found many promising links. Here just two examples:

http://www.bioenabletech.com/embeded_optical_fingerprint_modules.htm
http://www.sparkfun.com/commerce/product_info.php?products_id=8839
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