Do not you want to know how long a household appliance and the office equipment of the errand usually use electric energy?
I can see a state to change every hour when I use the software for Bluetooth electricity sensor "UWmeter" to tie between AC outlets and this Android.
There is unexpected discovery, and the state to change according to the operation of the household appliance is interesting.
You can see a measurement example when I search it with "uwmeter" in Youtube.
http://www.youtube.com/watch?v=u4y7YDIIhxE
About Bluetooth electricity sensor "UWmeter", look at the homepage of the Metaprotocol Co., Ltd.
http://www.metaprotocol.com/
Revision History
---
Version 2.2.1 (8/24/2011)
SD card output bug fixed.
