The first document I am publishing describes how to install and test the USB serial drivers for Windows, Linux and the Macintosh. You can get started by reading this document entitled USB Drivers for the Home Heartbeat. Once you have the drivers installed and working you are going to want to try out the command set of the Home Heartbeat. The document called Serial Commands of the Home Heartbeat lists all of the available commands and sample outputs returned by the Home Heartbeat.
The most useful of all of these commands returns the state of the sensors and other devices. Its this data that enables us to create software that will monitor our homes. These state commands are extensively investigated in the document entitled State Table of the Eaton Home Heartbeat.
The state values returned for each device type are tabulated in these documents: