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Article #14501Re: Infrared remote controls
From: KEN E WILLMOTT
Date: Sat, 12 Dec 1992 18:33
Date: Sat, 12 Dec 1992 18:33
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>> I am trying to find information on how infrared tv remote controls >>send signals. I have one of those infrared receivers from Radio Shack >>hooked up to my 68HC11EVBU board, and have been experimenting with >>trying to program it to read the buttons off a remote control for a Sony >>Trinitron tv. >However the absolutely best advice I can give you is to stop trying >to figure out the Sony remote. Instead, wire up an infrared diode >and a uart and that you can use to "train" one of these programmabe >remotes (I got one from Radio Shack for $30 on sale once). Then you >can design your own protocol pretty much and you always know what the >transmitter will send when you hit the "1" key. :-) >--Chuck McManis Sun Microsystems If you do this, remember that a transmit packet from a normal handheld transmitter is preceded by a whopping long "on" pulse, to allow the receiver's AGC circuit to stabilize. -Ken
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Newsgroups: sci.electronics,comp.robotics Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!sdd.hp.com!cs.utexas.edu!torn!newshub.ccs.yorku.ca!newshub.ariel.yorku.ca!cs911225 From: cs911225@ariel.yorku.ca (KEN E WILLMOTT) Subject: Re: Infrared remote controls Message-ID: <1992Dec12.183328.3632@newshub.ariel.yorku.ca> Sender: news@newshub.ariel.yorku.ca (USENET News System) Organization: York University, Toronto, Canada References: <of90_cC00UhB465rsp@andrew.cmu.edu> <lij603INN3p6@exodus.Eng.Sun.COM> Date: Sat, 12 Dec 1992 18:33:28 GMT Lines: 19