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DIY Electric Fence for Dogs and Cats!


Here’s an interesting DIY electric fence for keeping dogs away from cats by using IR sensors that sense when dogs come to eat cats’ lunch. ¬†Might be a good idea for some of you who might be in the same situation.

I wanted this setup to be cheap, so I decided to use an infrared “trip-wire” system. On one side of the hallway is an always-on infrared emitter, and on the other side is an infrared receiver, an AVR ATmega8 microcontroller, and a buzzer. The micocontroller conti

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