DIY electricity meter using a Raspberry Pi Zero W and some MQTT/API wizardry

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Awesome project from Kelly Hirano, via RaspberryPiPod.

Ever since I discovered the power meter on the outside of our house as a kid, I always wanted to know how to see that meter while I was inside the house, turning things on and off. I was super-excited to get a SmartMeter several years ago, but then was sad again when the granularity of data provided by PG&E on their website is only hourly.

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