This was a self-challenge born of obsession with switches, batteries, and the Quest For A Capacitor. I hope the instructions are clear. At least they are not translated from Chinese by Google. A full manual could take up several TPT saves.
accumulator
tesla
battery
powersupply
Comments
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cutting the wire to pc won't shut it off
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Interesting
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There are switch combinations that may lead to madness (e.g. the junction box). The battery is a simple neg-pressure sponge, OK for emergencies but not for long-term use. You have plenty of time - depending on the charge, of course - to complete and save your work before turning off the computer.