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'internet of things'.
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A simple Xbee based project that monitors a small solar panel and battery pack. The panel is made by Voltaic Systems it is a 10V / .13A and costs $30. I use the panel to charge 4 AA batteries in series. Monitoring a lower power solar panel is quite easy. I use a 10 ohm resistor between two A2D ports and monitor the voltage drop. This way I can calculate both voltage and amps. It is rather surprising just how accurate this technique can be. No microcontroller was used in this project just a pair of xbee modules.
Contact: sklarm-pachube@screwdecaf.cx
Website: http://blog.holyscraphotsprings.com
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Right click for additional options. Elevation: 4200. Domain: physical , Exposure: outdoor , Disposition: mobile |
