The DIY Zoning Project

The DIY Zoning Project
The DIY Zoning Project is a repository containing the information about architecting, designing and implementing the Do It Yourself Temperature Zoning system, introductory course for those planning to install a ready-made temperature zoning system, and those who just want their home comfort.

In particular you might want to check out this part of the site which describes a 1-wire sensor network:

http://diy-zoning.sourceforge.net/Advanced/sensor_network.html