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670Re: [buildcheapeeg] Re: parallel connection

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  • Psytrix
    Jun 1, 2001
      Hi Moritz , thanks for comment ;
      I'll try testing privately some circuits  in a practical manner  before submit to group ,
      to not slow it , and try keep its focus ,
      Thanks again,
      Waldemar
       
      ----- Original Message -----
      Sent: Thursday, May 31, 2001 6:45 AM
      Subject: Re: [buildcheapeeg] Re: parallel connection

      Am Mit, 30 Mai 2001 schrieben Sie:
      >
      >  Agreeing to preserve printer connection ,  it's good remember that using bus connection ( an
      >  inner card attached to a PC slot ) is the fastest way (parallel ) to connect inputs  - and not so expansive  as it appears usually .  (bigger pieces are just  a converter chip (like ADC12030)  and
      > an old interface PIA (like 8255).

      Hi !


      You always forget about the isolation :) If we use the printer port, we need 8
      optocouplers --> more expensive. A bus-card is even harder to isolate !


        Moritz


      --
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      Baltic Microsolutions  / Flash Microcontroller Custom-Development 
      http://www.baltic-microsolutions.de         
                                      



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