Okay - this might not be the most practical use of nixie technology but it is cool.  They are attendance badges based off on IN-16 tubes and powered by only two AA batteries which provide a shocking 40 hours of life.  Be sure to check out the links below for much more information.

(Thanks Bob!)

Links:

Comments   

#1 Guest 2011-04-19 05:09
What an absolute waste of a good IN-16 nixie tube! Dislike! ;-)
#2 Ian 2017-01-10 16:55
You have to say that the design and documentation is great though...

Interesting to see a transformer used for the step up rather than a switching circuit.
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