In message <20040618203124.39691.qmail@web51909.mail.yahoo.com>
          dimov stefan <stefan_d6@YAHOO.COM> wrote:

> I've tried to measure DC and display the corresponding
> number from the ADC on a LCD .I used pic16F877. For
> initiation of the ADC I used AN546.
>   But when I'm  changing the voltage gradually from 0V
> to 5V the LCD shows only four values respectivly : 0,
> 257, 514, 771.
>   Where is the culprit?
Can you post your code here? It sounds like you're not setting the A/D up
correctly, or you're not reading the A/D value correctly.

Later.
--
Phil.                              | Acorn Risc PC600 Mk3, SA202, 64MB, 6GB,
philpem@dsl.pipex.com              | ViewFinder, 10BaseT Ethernet, 2-slice,
http://www.philpem.dsl.pipex.com/  | 48xCD, ARCINv6c IDE, SCSI
... Procrastination means never having to say you're sorry.

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