Smart LCD birght/dim...
joerg.twinklephone at gmx.de
Sat Apr 12 18:06:39 CEST 2008
Am Sa 12. April 2008 schrieb Marco Trevisan (Treviño):
> Since Freerunner won't have an hardware light sensor to set its LCD
> brightness, I got some ideas about smartly changing the luminance of the
> GTA02 screen to save its battery (still with an unknown life time :/).
Actually it's not very hard to have a light sensor in GTA02. There's
everything you need on a decent testpoint. Just add a photodiode and a
capacitor. PMU chip does the rest. :-) See 50633 datasheet.
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