pomoc: riadenie kontrastu na LCD

[Snail Instruments]

>Na riadenie by som pouzil PWM signal generovany casovacom MCU. Displej
>nepotrebuje inverzne ani ine dalsie napatie. Nemate prosim Vas niekto
>skusenosti s podobnym problemom ?

Bezne pouzivam, pro displeje do 'pokojovych' teplot je to zapojene takto:

IO pin ------ 3K9 ---+--- 1K0 -----|GND
                     |
                     |
                     +--- 10uF ----|GND
                     |
                     |
                     V
             ridici napeti LCD


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