MAX133 Interface to PIC16F877, how to?

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  1. - 11th June 2007, 16:48 #2
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    My advice...
    Get rid of the MAX133 (way too much unusable, unneeded stuff there), use a PIC with an onboard A/D converter, send that output over the serial link and reconvert the results at the PC, or convert the results to a voltage value at the PIC, doesn't matter. I mean, how much accuracy do you REALLY need? If you use a PIC with a 12bit A/D converter, that'll give you 3mV of resolution with a 12v Vref (but since the PIC will only handle 5v, you'll have to use a voltage divider, still you get 1.2mv of resolution).
    Last edited by skimask; - 11th June 2007 at 16:51.
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