Doing something useful with shift registers (NodeMCU and Nixie tubes)

[@skybeisel5644]

Where did you get your power drivers and valve boards? I'm looking to use a bunch of b7971 to make a clock/marquee controlled by a Raspberry Pi.

[@BobCoggeshall]

+Sky Beisel have my own driver nixie driver board design. You can get on the list at www.cogwheelcircuitworks.com

[@Electromaniaworld]

Very nice and interesting