Hi,

I have a very small project on my desk: A tone generator which should
produce a simple meldody, has to check a key press and light 2 LEDs. No deal
at all BUT cost is a major factor. When checking the prices I found, that
the voltage regulator's price is in about the same region as the PIC itself,
which lead me to the question: Are there any micro controllers which can be
operated directly at an unregulated 12V supply?

Thanks for enlighten me and best regards

Peter


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