Bob Blick ha scritto:

> I need to think about using a PIC or other small micro. VFC chips are
> nice and simple, but they pretty much all require a trimpot for
> calibration, and NPO caps. If I use a micro I can get one with a bandgap
> reference and use a crystal for frequency accuracy and then I won't need
> to trim it. But each one will require programming.

Yeah Bob, once you're ok with accuracy etc, and you can live with a 
Crystal, your software in C could be some 10 lines - all inclusive!

You use HITECH C for a 12F part and PWM/ADC (if PWM is not there you can 
do it in software) ...



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Ciao, Dario
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Cyberdyne
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