See:

http://www.arduino.cc/playground/Learning/OneWire
http://www.federated.com/~jim/onewire/

The version of the OneWire library at federated.com works with arduino-0007. The version here works with arduino-0008, thanks to the very helpful Jim Studt.

To use, make a new directory: arduino-0008/lib/targets/libraries/OneWire/ and put OneWire.cpp, OneWire.h and keywords.txt in it.

–Josh Larios hades (at) elsewhere (dot) org 2007/07/06