Save fingerprint sensor to pc ?

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hi all

How can i increase in my fingerprint sensor ?
my fingerprint sensor type GT-511 connected to arduino UNO
it is available only 20 fingerprints in its internal database

please any idea ?
this is what i was worked in
Playing wi(FPS) on arduino | Homautomation[^]

What I have tried:

hi all

How can i increase  in my fingerprint sensor ?
my fingerprint sensor type GT-511 connected to arduino UNO 
it is available only 20 fingerprints in its internal database 

please any idea ?
this is what i was worked in 
<a href="http://www.homautomation.org/2014/10/11/playing-with-finger-print-scanner-fps-on-arduino/">Playing wi(FPS) on arduino | Homautomation</a>[<a href="http://www.homautomation.org/2014/10scanner-fps-on-arduino/" target="_blank" title="New Window">^</a>]

Posted 9-Jan-16 8:17am

sam9787

Updated 14-Sep-22 7:54am

v2

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Dave Kreskowiak · Answer 1 · 2016-01-09T09:02:00

Looking at the datasheet for the device, you can't. It will not use an off-device database to verify fingerprints against. It will only use it's internal database of a max of 20 prints.

Now, you can also download the current database and upload a new one, expanding the range of fingerprints you can check against but this seems like it would be a slow process and possibly require multiple retries by the user to verify.

Really, if you need more than 20 you need a better device. This device is intended for hobbyist use or small projects.