ivp ha scritto:

> Joe, this example is for the 16F877 but PWM set-up is very similar
> for the 18F4520
> 
> http://www.piclist.com/techref/microchip/16F877/pwm.htm
> [...]


definitely agreed with the recommendations. And as for contrast, I used 
to use a I2C DAC , with an op-amp to give some more "strength" to the 
DAC's output and if needed to make it negative.

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Ciao, Dario
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Cyberdyne
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