So, it was the perfect recipe for a Nixie Clock driven by an Arduino.The clock uses six IN-8 Nixie tubes, six 74141 BCD decoder IC's to drive the Nixies, three 74HC595 serial to parallel shift registers, a DS1305 real-time clock IC to keep time, and a quadrature rotary encoder with integrated push button to set the time and other functions.I have a lot of cleanup to do on the code, but it works as