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16 x 2 lcd question

Discussion in 'General Electronics Discussion' started by Russ15, Aug 23, 2011.

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  1. Russ15

    Russ15

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    Aug 15, 2011
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,418
    2,788
    Jan 21, 2010
    Neither do I.

    It may be a big deal (it won't work) or it may not matter (it is compatible).

    Unfortunately a quick google did not reveal any datasheets, so I can't tell which it is.

    Have you tried emailing the seller?
     
  3. Russ15

    Russ15

    11
    0
    Aug 15, 2011
    Ya I did he never got back to me that's why I posted here. Just not sure what the difference is with a hd44780 display vs one that doesn't have it? Ya I also didn't find any data sheets unfortunately.
     
  4. JoeyAVR

    JoeyAVR

    16
    0
    Aug 25, 2011
    IME the 16x2 displays typically only vary in their timing requirements and voltage (a few are 3v3, most are 5V0. The pin outs appear to be generic. I have used recovered no-name units from printers etc with success.
     
  5. Externet

    Externet

    751
    164
    Aug 24, 2009
    The project should had said Hitachi "HD44780 based LCD" instead of the way expressed.
    It is the most commonly used chip driving the 16x2 displays, it is built in the board at the back of the display and takes a industry standard instructions set program.
    Other manufacturers followed the Hitachi standard and are compatible. Newer 16x2 displays can have that driver chip in epoxy, with no markings.

    I have a couple of dozen of those displays and used in the past successfully. The suffix 00 is for english character set, 02 for european character set, and if I remember well, 01 for japanese.

    Searching for HD44780 will show you that is a chip, not the display itself, and its data sheet is extensive.
     
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