ONE Nixie tube clock features and specifications You do not need to change the program code if you are changing nixie tubes or tube sockets, even if they are multi-segment tubes such as B7971, B8971.

Everything needed to make one of your own is provided on the website, schematics, kicad files, bill of materials, Gerbers for both the board and the breakout board, though we would like to see ...

Image by bigthink Via The Hardware Hacker's Introduction to Microcontrollers, Part One: Anatomy of an Arduino on fear-of-lightning.wonderhowto.com.

MSRP for the Arduino on the 'net is around $29.99 for the actual unit. MakerSHED offers the kit I selected it for $120 (shipping, naturally, not included).