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| A fluorescent light starter in series with an incandescent light bulb makes a cool flickering light effect - useful for making a cheap strobe, Halloween haunted house effect, or simulate flakey wiring.
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| My homemade version of a "stomp pad" automatic mat switch made with foil, cardboard, and lots of duct-tape.
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| Tricking your car's computer into thinking everything is A-OK with your catalyst. Much cheaper than buying real O2 sensors.
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| Need power for something? In your car? Have no fear, mains power is here!
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