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Wireless Upgrade for Typical Consumer Power Meter

73 bytes removed, 22:04, 1 September 2010
Troubleshooting and problems encountered
One of the problems I encountered with the software was to find a good website to host the data. Google powermeter was my first choice but it did not allow me to share the data publicly. Instead it required every person who wanted to see the data to be invited. The next website I found was pachube, it was a very straight forward website and allowed me to publicly share the data. Although. problems Problems did arise when multiple power meters were added. The original program was written for only one power meter. I The modification above was able necessary to get around it by modifying the program to upload the data from the power meters as two separate entitiesaccount for this challenge.
The new Kill-A-Watt revision did not allow a simple way to route the wiring around to the other side. A notch was needed to be made on the PCB this which was risky as precautions were needed to made in order to avoid disconnecting anythinga wrong move could break a connection. Another problem that I came across was calibration, The . It appeared that the Kill-Aa-Watt was changing it's ampdata reference numbers overtimewere drifting with time. I came to the conclusion that it was due to the wiring onto the Op-Amp and it was creating a connection with something it shouldn't of. It was also very hard to fix the problem as the Op-Amp was surface mounted onto the PCB board.

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