LCD contrast adjustment

Dec 11, 2005 2 Replies
J

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


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I

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

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J

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

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