go to instructables.com, search nixie tubes. There are a number of projects with instructions that can give you a good idea on these. about 30+ projects
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dc to dc converter
Recom Power R12-150B
10 - 14 vdc in -> 95 - 200 vdc out isolated.
Available at Digikey
https://www.digikey.com/product-detail/en/recom-power/R12-150B/945-2053-5-ND/3776801
Recom Power also has pdf book on dc/dc converters for download.
https://www.recom-power.com/us/americas/downloads/bok.html
Edit
This looks interesting
http://www.pa3fwm.nl/projects/neonclock/
http://www.dos4ever.com/ring/ring.html
Warning - time sucking rabbit holeā¦
I have an old IN 16 Nixie Kit that I got off Ebay. I ran into issues with the power and abandoned it on the shelf 6 years ago. Now I canāt find the papers that came with it but found all the parts. The board has āLonsdale2 06/08ā printed on it but google only shows me someone else trying to find the instructions. I have a feeling the variable power supply I got back then was the issue but I cant find any info on this kit to start the project back up.
As you can see all I have is the power components soldered on but my volt meter was not giving me the desired output (from what I remember) and I didnāt want to go any further till I figured that outā¦then life happened and it was forgotten about.
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Iāll bet the instructions for most of the kits would give you enough info for that power supply.
Try http://www.pvelectronics.co.uk/kits/elite/elite_v3.pdf.
Can you spare the last one, thinking of fiddling with one myself. You at the Space anytime?
Sorry, all gone - maybe @malcolmputer will part with one. Theyāre actually still not terribly pricey: https://goo.gl/9RzPVs
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Sure, @spencleb I havenāt made it up to the space yet, so take one of the three from my box in the common room.
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