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From: mueller@alphard.cs.utk.edu (Carl Mueller)
Newsgroups: comp.sys.amiga
Subject: Re: Mouse/Joystick Switch
Summary: Alternate solutions
Message-ID: <1489@utkcs2.cs.utk.edu>
Date: 8 Dec 89 19:01:39 GMT
References: <5628@uhccux.uhcc.hawaii.edu> <7400008@osiris.cso.uiuc.edu>
Sender: news@utkcs2.cs.utk.edu
Reply-To: mueller@alphard.cs.utk.edu (Carl Mueller)
Organization: CS Dept -- University of TN, Knoxville
Lines: 14

In article <7400008@osiris.cso.uiuc.edu> hougland@osiris.cso.uiuc.edu writes:
>I have just finished constructing the mouse switch box
>referenced in the last Compute Resource mag.  I was very
>simple to build, but had a hard time finding the 4-pole
>double throw switch required.

As an alternative to the 4-pole switch, you could use:

   A)  A single pole switch controlling a 4-pole/double throw relay
       (Radio Shack has such a relay)
   B)  A single pole switch with a digital quad 2x1 multiplexer chip
       (this solution seems to be more 'elegant')

-Carl Mueller (mueller@alphard.cs.utk.edu)