Article View: sci.electronics
Article #10143Re: TV remote control codes
From: scott
Date: Thu, 14 Feb 1991 18:24
Date: Thu, 14 Feb 1991 18:24
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In article <43935@ut-emx.uucp> greg@ccwf.cc.utexas.edu (Greg Harp) writes:
>
>This looks like a good time to jump in with a question I thought of this
>morning. I came up with the (probably not very original) idea of "digitizing"
>remote control codes with my computer and playing it back via software
>control. Then not only could I add timing features to my audio/video
>equipment, but I wouldn't have a pile of remotes to deal with. (No, I don't
>like those universal remotes.)
>
>Now, I have a working knowledge of electronics, and I'd done quite a few
>projects, but I know little about the codes used by remote controls. (I knew
>that they tended to be 40kHz, but that's about it.) Anyway, what is the
>feasability of sampling these codes using basically a phototransistor
>hooked to some input (say a digital joystick port or parallel port)?
I humbly suggest that you ftp to mrcnext.cso.uiuc.edu and download zapper.*
from the /video directory. ZAPPER is an article which describes in detail
precisely the project you're talking about.
Have fun!
--
Scott Coleman tmkk@uiuc.edu
"Unisys has demonstrated the power of two. That's their stock price today."
- Scott McNealy on the history of mergers in the computer industry.
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!elroy.jpl.nasa.gov!sdd.hp.com!news.cs.indiana.edu!ux1.cso.uiuc.edu!blueeyes.kines.uiuc.edu!scott From: scott@blueeyes.kines.uiuc.edu (scott) Newsgroups: sci.electronics Subject: Re: TV remote control codes Message-ID: <1991Feb14.182440.6873@ux1.cso.uiuc.edu> Date: 14 Feb 91 18:24:40 GMT References: <2407.27B2CBE1@ofa123.fidonet.org> <43935@ut-emx.uucp> Sender: news@ux1.cso.uiuc.edu (News) Organization: University of Illinois at Urbana Lines: 27