When Tesla first introduced the 3-phase alternating current (AC) induction motor in 1888, he knew that his invention was more efficient and reliable than Edison's direct current (DC) motor. However, ...
IV-22 Vacuum Florescent Display (VFD) tube clock. These are the PCB files for my IV-22 VFD Tube Clock project. This clock uses 5 IV-22 VFD tubes and 1 IV-15 VFD tube. The IV-15 VFD tube can be swapped ...
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