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need help in project

Discussion in 'Electronic Components' started by dimension, Aug 6, 2007.

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  1. dimension

    dimension Guest

    do any one have anyproject ideas in INFRARED COMMUNICATION .any any ,
    then please help me.i need it for my final year project.i am thinking
    of infrared LAN but if you have any good ideas then please tell.
  2. Sjouke Burry

    Sjouke Burry Guest

    1. Build a IR repeater station, to control audio/video from your
    bedroom, for equipment used in the living room.
    2. Build a IR wireless headphone.
    3. Build a RS232 wireless connection set.
    4. Make your keyboard/mouse connection to the PC IR wireless.
    5. to 50. Use your imagination.
    1 to 4 should be increasingly difficult.
    5 to 50 even more so. :)
    PS: you can buy non-dedicated remote control sets, to
    use for any purpose.
    The last one I checked, had 10 buttons, and a reciever
    with 10 outputs.
  3. Hal Murray

    Hal Murray Guest

    Try some of the inexpensive IR components used for remote
    control of TVs.

    See what sort of distance/bandwidth can you get
    for a very low error rate.

    Try various encoding schemes.

    See what happens in sunlight.

    For extra credit, try a plasma TV. :) Can you find anything
    that works?
  4. dimension

    dimension Guest

    hi burry ..thnx for ur responce.

    i thought of RS232 IR communication but my seniors hv done this
    project so i wanted 2 go for some new ideas.u told abt interfacing k/b
    or mouse with pc using IR this b done with simple k/b which we
    generally use.
  5. Sjouke Burry

    Sjouke Burry Guest

    Standard keyboard and mouse is almost the same as rs232, with some
    pins added to supply 5 volts to the devices.
    So its almost equivalent to implementing 2 rs232 inputs and one rs232 ouput,
    the keyboard is a two way serial, and the mouse a one way serial connection.
  6. Gary Tait

    Gary Tait Guest

    Done that, in a non-standard way though. I have an IR receiver from a
    spent DVD player connected to a simple 433Mhz SAW filter based
    trasnmitter (cut from a UHF remote from a satellite receiver).
    The receiver unit (from the other end of that UHF remote system) is
    basically in parallel with the IR receiver of the device I use the UHF
    remote on.

    I'd sooner use an RF unit on 900 Mhz.
    PS/2 is rather different. What you probably need to do for those, rather
    than a two-way communication, is wirelessly transmit the "raw" data from
    a keyboard matrix or a mouse sensor, and format to PS/2 in the receiver
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