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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Fingerprint scanner module problem...

HIREN DAVE

New Member
Hi,

I am developing finger print access system. I am using P89v51rd2 microcontroller with WM 102 scanner module.... Both worked fine. but suddenly scanner module stopped response. it gives same output pattern irrespective of input command...
the pattern is...

17 02 12 10 02 09 00 09 08 00 00 00 00 00 00 00 00 00 14 05 08 04



So, what is problem here??
 

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