Re: [buildcheapeeg] Re: parallel connection

From: Moritz v. Buttlar (info_at_baltic-microsolutions.de)
Date: 2001-05-31 10:45:11


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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