Thankfully, this 60-tube Nixie clock bears that mold ... display of four 7-segment LEDs in the center of the clock face. The custom PCB lives in a CNC-machined MDF wood face; the IN-9s shine ...
When the prototype stage was complete, the circuit was recreated on a new board that mounts all 55 Omron relays on the same PCB. The result? A glorious Nixie tube clock that will strike envy into ...
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