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Article #6244

NEED: TTL controlled 115V 5A Switching

#6244
From: Jason Ari Goldstein
Date: Wed, 09 Sep 1992 19:40
35 lines
1894 bytes
Hey now,

The subject pretty much says it all.  I need to switch some light
switches with TTL signals (I am building a controller for my
fraternities dance floor lights).  Basically, I have heard you can use
relays, triacs, etc.  Unfortunately, no one seems to have a circuit
design to show me.  I would like to use triacs because they are
non-mechanical and less likely to blow than relays.  I have seen some
circuits for using triacs but NONE that showed how I can use TTL logic
to do the switching.

BTW, I have looked into solid state relays but $17-$25 each is way too
much.  So, if someone could send me a circuit diagram or point me to a
good book (especially for triacs) it would make me very happy.

If you want to send a circuit you can:
    - do it up on a computer and e-mail it to me. giff, tiff, poscript,
macpaint, etc. is fine.
    - fax it to me at 412-268-2798
    - mail it to me at:
            Kappa Delta Rho
            1071 Morewood Ave.
            Pgh, PA 15213

PS.  The sooner the response the better.  Right now the lights are
switched manually because part of the previous circuit was stolen and
the other part is broken.  There is no diagrams of the previous circuit.
Later...

Jason A. Goldstein
___________________________________________
I'm a peripheral visionary...
I can see the future but only off to the sides.

Over, Finished, Gone, Done, Out.  (Finally)
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Organization: Senior, Physics, Carnegie Mellon, Pittsburgh, PA
Path: arc1-ca.pugleaf.net!sparky!uunet!usc!wupost!uwm.edu!linac!pacific.mps.ohio-state.edu!cis.ohio-state.edu!news.sei.cmu.edu!fs7.ece.cmu.edu!crabapple.srv.cs.cmu.edu!andrew.cmu.edu!jg3o+
Newsgroups: sci.electronics
Message-ID: <IefZATi00jWNE4DFUV@andrew.cmu.edu>
Date: Wed,  9 Sep 1992 15:40:15 -0400 
From: Jason Ari Goldstein <jg3o+@andrew.cmu.edu>
Subject: NEED: TTL controlled 115V 5A Switching
Lines: 35