[Daniel] sent in his Nixie tube VU meter. It uses 14 Russian IN-13 Nixie bar-graph tubes. He built a custom circuit to amplify, filter, smooth and feed a voltage divider to assign signal levels to ...
In a world of digital monotony, the Avo DA14 digital multimeter, with its vintage nixie tube charm ... rectifiers, and circuit boards, giving the DA14 its impressive yet fragile structure.
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