> Did you do it yourself?

Yes, it's up on PIClist

http://www.piclist.com/techref/piclist/jinxlcdregmon.htm

I would like to make some changes, eg - 

Pushbutton convert to ASCII/binary/decimal etc display
Auto-detect transmitting PIC
Bigger display

Someone (I think Bob B, Rolf or Dwayne) mentioned a one-wire
system they had

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