Thinking How to Drive a Panel of 121 Nixie Tubes | Project H #6

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While working on the tube H itself, we have to keep in mind also the design of the electronics – without an absolutely reliable driver, the panel will simply not deliver the desired experience. Our first idea was to use a master module with just a string of shift registers – we do this normally in our clocks.. However, it turned out the data flow required in this case would be too large – we will need to split the logic.