On Sun, Jan 21, 2001 at 12:17:37PM -0500, Byron A Jeff wrote:
> Unfortunately it doesn't work with my serial port, which seems to require
> the standard +3/-3V thresholds. Wouter points out that a MAX-232 interface
> can be built to maintin proper RS-232 levels, but I'd prefer not to have to
> wire the entire chip to maintain proper RS-232 levels.
>
Simple transistor based circuits are published at:
http://www.ise.pw.edu.pl/~wzab/picadc/RS232.png

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                HTH & Regards
                Wojciech M. Zabolotny
                wzab@ise.pw.edu.pl

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