Filed under: HouseholdThe ZigBee household device networking standard is starting to branch out even further -- just a few weeks after announcing ZigBee PRO, the consortium has announced the ZigBee Home Automation application profile, which should make it even easier for companies to develop interoperable automation products based on ZigBee tech. The spec covers most of what you'd expect, like lighting, HVAC, power outlets, motorization, security and audio/video applications, and devices should just plug into existing