Alessandro Queri wrote:
> I'm wondering if someone of you did work on a multi-input ADC using
> pic's integrated AD. I'd like to make a 4 channel vu-meter using
> something like a 16f876, but I'm afraid about the ADC getting
> multiplexed. In fact I guess the channels could interfere one to
> another. I am also illiterate on the agument: do I have to read the
> RMS data or just plain voltage on pin? Any suggesion is welcome.

I'm assuming by "vu-meter" you mean you want to know the rough volume level
of an audio signal smoothed out over a few 100 milliseconds or so.

Low pass filter the output of a peak detector.


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