January 25, 2009 AT 11:09 pm

Wattcher, part 2!

OK so I spent some more time cleaning up my code today and have the next part of my “wireless data acquisition and reporting” project done. In this section, I show how to listen and parse XBee packets using python and then graph some useful data to prove that the sensors work. All in 165 lines of code (not including already-written libraries, of course)

Above, a photo screenshot of watching a laptop power supply hooked up to the Kill-a-Watt. Below, tracking watt usage while also watching the current power-line waveforms of a light-bulb dimmer

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1 Comment

  1. Thanks for posting up this project, really useful! I’m trying to build an energy monitor myself, Your work is helping me out a lot, Thanks!

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