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Nixie Tube Geiger Counter
A long, long time ago the folks at bildr.org got their hands on some nixie tubes and some components from ogi lumen, and built a twitter follower counter. You can see the post here:...
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Arduino-based Switching Voltage Regulators
DC to DC converters are used to efficiently convert DC voltages. They have a conversion efficiency of up to 95% making them useful for LED strips, bike lights, battery chargers and solar powered...
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