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Thread: Alltech B/W Flat Panel

  1. #1
    Low Bitrate
    Join Date
    Sep 1999

    Alltech B/W Flat Panel

    Has anyone tryed extending the cable for this Screen since its Soo short (2 foot). I know one person who tryed and couldnt get it (bakassi).

  2. #2
    Variable Bitrate
    Join Date
    Aug 1999
    Yorba Linda, CA
    You may be able to extend it with the help of some logic buffer ICs... I used these chips to extend a "pseudo serial" interface for my carPC. I designed an interface to drive a 40x4 LCD and handle a keypad with only 5 wires, and was having trouble with the cable distance. I added a buffer chip at both ends and it worked fine after that.

    LCDs are digital and sensitive to interference. You should be able to use TTL chips. 74244 or 74245. I believe "ACT" is a suffix for the high speed version. You should be able to sample these ICs from National or Motorola for free.

    Jason Johnson
    Yorba Linda, California

    MPC Phase IV - *** PENDING ***


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