Keep track of your energy use with a home energy monitor

Building your own power monitor isn't too tough and can save money and electricity. Phil Torrone and Limor Fried wanted to measure their household power usage long-term, so they developed the Tweet-a-Watt.  

The Tweet-a-Watt uses plug-in electricity monitors at each outlet to wirelessly send readings to a base station, and can also broadcast updates via Twitter!

For more tips by Make go to www.makezine.com.

About the author

Matt Berger is the former Digital Director at Marketplace.

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