ViVOpay 3000

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Revision as of 22:28, 2 August 2012 by Ardillo (Talk | contribs) (Serial)

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What is it? It's a RFID reader, we bought it somewhere on ebay and now we want to reverse is and see if we can do something with it.

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  • Works on 12 volt
  • On boot "beeps"
  • Reads RFID Mifair classic out of the box, no idea what and how
  • Has on the back: power, RJ45 port (9volt?), "kinda" PS/2 port
  • On PCB there are some connectors
  • Did found a comport chip and 2 Philips chips.


  • Find the comport and see what it does


  • The Ethernet connector seems to be an kind of serial connection, the 1st pin is the GND en the 8th pin is somekind of data line
  • The data captured looks a lot like the usage of the ISO/IEC 7813, which is used for standarisation on magnetic stripe cards i.e. creditcards.

Settings Logic analyzer: - 50M samples - 24 Mhz freq. - 8 bits - 1 stopbit - no parity - LSB send first - inverted - no special mode - 19200 baud


  • A second......