Nixie!

My nixie tubes came in yesterday, and I finally had a chance to take a few pictures of them. I’m still trying to decided upon the best method for driving them, though. know that either way, I’m going with a direct drive method. My initial plan was to use shift registers and old nixie drivers, but the inability to have more than one pin selected at a time really limits my wiring options. I’m currently thinking about designing a circuit board for mounting the tubes, along with some surface mount transistors, and just driving the digits via a larger number of shift registers. The problem with this design, is it doesn’t allow much in terms of prototyping (and I would have to learn how to use a pcb editor, such as eagle). I probably won’t have too much time to mess with them, as the end of the semester is on its way, but we shall see.

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