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Raspberry Pi tweetawatt solar panel graph

It starts with my 320 watts of solar panels on the roof, connected to a micro grid tie inverter, which is connected to a converted killawatt unit to measure the power output form the panels.  Data leaves the killawatt via an XBee transmitter with a data stream signal going to a XBee receiver which is connected to the Raspberry Pi.  The Pi collects this data, and my webserver picks up the data from the Pi and displays the power output.

It starts with my 320 watts of solar panels on the roof, connected to a micro grid tie inverter, which is connected to a converted killawatt unit to measure the power output form the panels.
Data leaves the killawatt via an XBee transmitter with a data stream signal going to a XBee receiver which is connected to the Raspberry Pi.
The Pi collects this data, and my webserver picks up the data from the Pi and displays the power output.

Project Link

Nick Normal

I’m an artist & maker. A lifelong biblioholic, and advocate for all-things geekathon. Home is Long Island City, Queens, which I consider the greatest place on Earth. 5-year former Resident of Flux Factory, co-organizer for World Maker Faire (NYC), and blogger all over the net. Howdy!


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