Re: [buildcheapeeg] Re: parallel connection

From: Psytrix (psytrix_at_o...)
Date: 2001-06-01 13:31:15

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 -----
From: Moritz v. Buttlar
To: buildcheapeeg_at_yahoogroups.com
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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This archive was generated by hypermail 2.1.4 : 2002-07-27 12:28:30 BST