VFDs — vacuum fluorescent displays — have a distinctive look, and [Anthony Francis-Jones] is generally fascinated with retro displays. So, it makes sense that he’d build a VFD project as an excuse to ...
There’s a long history of devices originally used for communication being made into computers, with relay switching circuits, vacuum tubes, and transistors being some well-known examples. In a smaller ...
The amazing icy blue color ice tube clock is a high-end digital clock which operates on a high voltage that ranges from 40V to 70V DC. The amazing icy blue color ice tube clock is a high-end digital ...
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