Hello PICers. This is my first pic project (first project at all).
I must build a dongle (hardware lock) attached to LPT. So I have some
questions.
   1. Is there any standard for fardware locks.
   2. Is there design I can follow in my work.
   3. How I can power the chip (CENTRONICS doesn't have +5V line)
Any ideas ? I would appreciate any advise. Thanks,
                                                       Greg

P.S. I have only mailftp access.

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Greg Marchokov                        Mail to: gimar@bgtus4.vmei.acad.bg
Technical Universety - Sofia
8 Rilska street,
Bulgaria, Assenovgrad