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From: john@Neopha.44in88.net (John Todd)
Subject: Re: making IR unit out of old vcr
Date: 2 Oct 2002 15:42:22 GMT
References: <email@example.com> <firstname.lastname@example.org> <email@example.com>
User-Agent: slrn/0.9.5.5 (UNIX)
On 2 Oct 2002 04:08:36 GMT, Mike Poulton wrote:
>On 01 Oct 2002, firstname.lastname@example.org (Blizzard) said:
>> Ack, thanks Mike, wasn't sure if it was even possible..wanted to build
>> a cheapy IR controlled speaker interface, i can always build what i
>> was going to - but without the IR. Was thinking with the IR idea that
>> a tap of the channel up button..when wired to either a pot connected
>> to the volume on the speakers itself, or a digital vol control would
>> raise the volume up one..a tap on the down button would lower it
>> one...possibly use the pause circuit on the board as a mute. Is there
>> anything short of building it myself that would accomplish what i want
>> to do and allow me to use my existing remote and my existing speakers?
>> It sounds great hooked up to my dish and such, but wanted the
>> versatility to control it remotely.
>I don't think there's any really simple way to do it. AFAIK, there are
>no off-the-shelf products that do this. With an IR receiver module from
>Radio Shack, a PIC microcontroller, and assorted discrete devices, it
>wouldn't be that hard to implement -- but still far more complicated
>than what you had in mind.
The IR unit I removed from an old VCR (to make a tester) outputs
a pulse string when a remote button is pressed. Programs are available
(simtel) that read serial port data. If you have a command line
volume control program (DOS), you could write a Batch proggie to
do it, maybe.
John E. Todd <> email@example.com
Note: Ensure correct polarity prior to connection.
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