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LCD contrast adjustment

Discussion in 'Electronic Design' started by J. David, Dec 11, 2005.

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  1. J. David

    J. David Guest

    I'm experimenting with a 2x16 LCD and, instead of using a 10K pot to adjust
    the contrast, I use a 10K resistor with a diode to get the Vo voltage. The
    contrast seems fine with the model I got.

    Is there any disavantage to this method? The LCD is intended to be used at
    normal room temperature.

    John
     
  2. Ian Stirling

    Ian Stirling Guest

    It won't work in the cold, may not work with a replacement LCD, and
    may have minor changes as the display ages.
     
  3. J. David

    J. David Guest

    Hmmm! Ok, a pot is a better choice then. Just trying to be cheap ;)
     
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