At 11/12/2009 07:05, you wrote:
>The technology for this I believe is called Zigbee you can find a lot of >info on the web systems will operate on 900 (US only), 2.4 and 5.8 GHz >now, other uses include full house control of lights, heating etc, each >light switch in a home is also a repeater and it will be used in many new >big office buildings where instead of running wires from lights to >switches the lights will be direct wired with a zigbee node and the >switches will control the lights, on-off, bright-dim using Zigbee it is a >low cost and very useful technology and we will be seeing a lot more of it. Heh, I can see it now: hackers spelling out messages on the faces of buildings by hacking into the lighting controls. Bob NO6B
