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Lets look at those sexy digits!

A project log for Vacuum tube single digit calculator

Forget that newfangled silicon. Hollow state is king!

castvee8castvee8 04/24/2019 at 02:100 Comments

The neon displays are a late night horror show I made last year. They use the 3 D printed frames and neon displays to produce the big ole digits on this machine:

here are the basic ingredients. These include the inlay frame, the back frame and NE-2 neon bulbs.

 ne-2s.

Stuffing the frame with ne-2 bulbs.

This is the assembly step: The ne-2 leads are brought through the frame and soldered to dropping resistors.

Here are the finished digits and symbols. Talk about long distance readability!

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