Here is a fast, cheap and generally safe project for beginners sparks with a minimum component count. It uses an ignition coil from a car.
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Beginners Sparks
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Tag Archives: car battery
Equipment
Some of the commercial equipment I use is here. Usually it is vastly cheaper than my time and money even if I can make it up myself.
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Big Silicon Controlled Rectifiers
I have a number of big silicon controlled rectifiers (SCR’s) of the “hockey puck” type.
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