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Arduino Projects to Save the World by Emery Premeaux

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C H A P T E R  7

Staying Current

Keeping Track of Your Power Usage

Saving the world best begins in our own homes and backyards, and one way to get started is by monitoring, analyzing, and controlling our household energy usage. Energy consumption worldwide is on the rise, and local utility companies have started to roll out peak demand billing where your electricity costs more when you need it the most. Knowing when these rates occur and what you can do about them will hopefully help improve your energy efficiency and save you a few pennies in the process.

In this chapter, you will build an inexpensive open source modular energy monitor using the Arduino microcontroller and a handful of simple components. We will walk you through how to build ...

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