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Electric Fence Energizer Diagram

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2 Threads found on edaboard.com: Electric Fence Energizer Diagram
A few years ago I made an electric fence which worked quite well out of a motor car spark plug coil. I used a 555 timer to energize the coil every few seconds. I connected the gnd to a metal spike hit into the soil and the output of the coil went to the fence. I uses a 7ah 12v battery to power the system. It worked well on people (i tested (...)
General application is giving high-voltage pulses from time to time, which is to ?scare? a cow from the fence. HV transformer was obtained from an old energizer as well as the housing. The circuit was soldered on a piece of the un