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final product
Senior Design Project for Computer Engineering bachelors. We had 2 software guys (me and one other) and 2 hardware guys design a monitoring system for a high voltage fence (6k volt), which was powered by the fence, to display to the fence owner where and when an outsider came in contact with the fence.
The hardware guys took care of the power of the fence using voltage dividers and other electrical engineering techniques.
My part was the "black box," or the control center. It was simply a raspberry pi contained in a hard plastic, weather-proof encasing, that had bluetooth capabilities which pushed a file to the connected device each time it was paired/connected. The scheme involved overwriting bluetooth shell files to automatically accept a pairing with any device, and then communicating with 4 arduino receptors (other software guy handled the arduino set up), to report any action which may have happened to the fence based on the voltage levels the arduinos were receiving. Example, if a big, nasty bear came over to the peach garden enclosed by the fence and touched the wiring, the voltage would sincerely drop. This would then register with the arudinos constantly polling the voltage, and send a simple coded message, debunked by the pi, indicating what side of the fence was touched. Based on the drop of voltage, we could also assume how big the object was, and, using the pi's internal clock, give a timestamp.
The design, the parts, and everything that went into this project were all original thoughts and ideas. Every piece was personally purchased, configured, and set up by the team.
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