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From: JHB@jita.nospam.demon.co.uk (Jim Backus)
Subject: Re: RC5 Encoding/Decoding project.
Date: Mon, 23 Sep 2002 19:50:15 +0000 (UTC)
NNTP-Posting-Date: Mon, 23 Sep 2002 19:50:15 +0000 (UTC)
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On Sun, 22 Sep 2002 20:45:50, "j.f.palmer"
> I'm a student studying electronic engineering in Southampton England,
> For my final project of my degree I have been given the task of designing a
> security camera control system for use by the general public. The system has
> to be able to accept inputs from various sensors such as PIR and IR beams.
> When a sensor is triggered the camera moves to point at the position of the
> triggered sensor. This bit should be easy, I'm using a PIC chip and a
> stepper motor. However......
> The problem I am having is that when the camera is triggered it has to send
> an IR remote control signal to a VCR hooked up to the camera to tell it to
> record. The recording lasts for 2 minutes then a stop signal is then sent.
> On switch on the unit has to learn the remote codes so that any VCR can be
> used. I.e. by pointing the VCR remote at the unit and firing in the codes
> for stop and record.
> Does any one know if there are any dedicated IC for encoding and decoding
> the RC5 signals so that I can simply interface them to the PIC chip? I know
> philips made an IC but it is now discontinued. Could making the PIC store
> the codes be the best way to go?
There were 1 or 2 articles on RC5 encoding in the magazine Elektor a
few months ago.
If you're emigrating for life style and not just for money, consider
Australia. Great place if you're young enough to get in.
Jim Backus OS/2 - smarter than the average operating system
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