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  1. jtykka

    Direction on building a serial relay interface

    Here is something :) http://www.lvr.com/parport.htm
  2. jtykka

    Direction on building a serial relay interface

    Easy way to control some relays from VB is do it from LPT-port. If you have win95/98 there is no problem, you just set port signal on/off. I have made one stupid dll for this several years ago. If you'd like to have more relays than there are outputs, use multiplexing. Put some 'serial in sift...

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