I got at least two nixie tube counters from university lab clearouts, which seems to be able to do that..
Dan
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--- In NEONIXIE-L@..., Steve Rooke <sar10538@...> wrote:
Now here's an idea. Take one nixie based frequency counter and couple it
with a programmable frequency generator. Drive the generator by a micro such
that it generates frequencies in the correct sequence of steps to show the
time on the counter. If you used a 24 hour clock it would take the highest
frequency of 235.959MHz or 125.959MHz for a 12 hour clock.
<snip>
I'm still waiting for a previous, similar project discussed here a few times to come to fruition. Rather than using a frequency counter, it would use one of the older digital event counters and not require a frequency generator. (Can frequency counters count individual pulses?)
A.J.
