TRANSMITTER/RECEIVER (ULTRASONIC, RADIO FREQUENCY, INFRARED)

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Article #14815

#14815

From: Syed M Aftab
Date: Thu, 19 Nov 1992 21:48

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I am trying to design a remote control garage door opener that include a 
receiver and trasnmitter. The range is 20 feet and should use a coding 
scheme. The transmitter is battery operated.

I need any help that can be given eg. data books, circuit diagrams and any 
other related material. IC chips and their #. I really appreciate any help.

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Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!ub!acsu.buffalo.edu!ubvmsd.cc.buffalo.edu!v041v4n5
From: v041v4n5@ubvmsd.cc.buffalo.edu (Syed M Aftab)
Newsgroups: sci.electronics
Subject: TRANSMITTER/RECEIVER (ULTRASONIC, RADIO FREQUENCY, INFRARED)
Keywords: CIRCUIT REQUIRED.
Message-ID: <BxzGK8.MoH@acsu.buffalo.edu>
Date: 19 Nov 92 21:48:00 GMT
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