OK, I have no life; I admit it.
I modified the sketch for the power monitor to transmit the power reading over my (brand new) XBee network. Now I can plug an XBee into my laptop and watch the power reading stream by every five seconds. That was cool so I used a breakout board from SparkFun and added an XBee to the House Clock. Now I have the time coming out every 10 seconds from it as well. There were a couple of reasons for doing this: First, I wanted to see what happens with collisions. Second, how well do these things work over time? They seem to handle collisions (where they both try to transmit at the same time) perfectly. Never have a short or garbled frame from them. The second item will have to wait a few days.
And yes, it is during peak period and I'm using a little over 700 watts. This is a really good number, so far my demand number is running 1.4KW and my bill has stayed low. Note that this is with my new swimming pool pump running water through my solar heater. That used to take 2800 watts all by itself so I couldn't run it at all in the afternoon. I'm so proud.
Very cool stuff! Like HAL meets the tweet-a-watt. Keep it up!ReplyDelete
Dave, I'm uncertain how to connect a zigbee coordinator of a network to the outside world, e.g, the Internet. Can you point me to an example, tutorial, app note, or code snippet? Thanks very much.ReplyDelete
The problem is that it depends on what you want to do. Digi has gateways that can connect to the internet and interact with an XBee network that you can look at. I took the route of preprocessing everything so I could put up a web page and see things from there. There's about as many ways of doing this as there are people doing it.Delete
Drop me an email and tell me more.