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TV IR Remote Control

Discussion in 'Misc Electronics' started by SK, Dec 3, 2003.

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  1. SK

    SK Guest

    Any one have a list of web links on this subject?
    I am trying to build a TV Remote Control Signal reciever that can store the
    last 'X' commands in memory for research purposes. By commands I mean
    channel choosen/selected etc.
  2. Mjolinor

    Mjolinor Guest

    Not a solution but maybe a starting point would be the JP1 group on Yahoo.
    It is really about unversal one for all remotes but the protocols and
    commands for most devices are fairly well defined one way or another in the
    threads, links and files sections.
  3. SK

    SK Guest

    Thanks for the reply. Looks like a good starting point.
  4. Gary Tait

    Gary Tait Guest

    All you'd haave to do is detect the signal stream received, log that,
    and process it afterward to determine what wa done
  5. CWatters

    CWatters Guest

    Two ideas..

    There are a few companies in the world that have a full database of control
    codes (eg which make and model uses which command to do a particular
    function) the makers of universal remotes licence their libraries from one
    of these. Perhaps they could help?

    For example:

    You might also be able to use a Pocket PC to capture and log the data you
    want? I know that a few programs exist for Pocket PC and similar palm
    devices to allow them to be used as universal remotes. They should also be
    able to do the reverse.

  6. There is a progam called PCIR, I believe, that allows one to record
    and play IR signals using the parallel printer port on a PC. It runs
    ok under W98SE. But XP and W2000 don't let the software access the
    hardware directly, so that may prevent it from working.

    I used it to record some remote controls. I connected an IR LED
    directly to the port without any amplifier, and I put the IR LED right
    near the VCR. It picked up the output okay. So all you need is a 25
    pin male connector and the IR LED. It uses some other circuit to
    receive and record the IR.

    This morning on CBS's Sunday Morning, they had a segment on high tech
    gadgets. They showed a really fancy universal remote that connects to
    your PC to download the 'programming' from the company's website. So
    you can "throw away" all your old remotes. Right. The big problem is
    that this remote costs _two_hundred_bucks_, which is a lot more than
    the 60 or 80 for some of the fancier universal remotes, which are way
    overpriced, IMHO. Like I can buy a fully loaded VCR and DVD player
    combo for that much!

    And what do you do when your dog uses it for a dog bone? :-(

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  7. Check this out:
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