LCD backlight controlled by software how to ?

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  1. - 11th April 2006, 14:54 #3
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    sougata
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    Default If your PIC supports a HPWM use it.

    Hi,

    I generally use PIC18F452 for my designs. When I do not use the HPWM for other purposes I use it to drive the backlight. If the LCD is only a status indicator then it dims in normal conditions. Depending on the program flow (Alert/Menu) I increase the backlight. Saves power and my 5 volt regulator runs cool too.

    Sorry I looked up melanies thread after my post. So my post can be ignored as it says everything for itself.
    Last edited by sougata; - 11th April 2006 at 14:57.
    Regards

    Sougata
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