EW:: NIXIE Tester Project I am building a simple NIXIE Tube Tester project for a couple of reasons 1) to get my feet wet w/ building various circuits and modules and 2) to test out my 50 IN-12A NIXIE Tubes. Supporting Docs/Reference Material: IN-12A_IN-12B_03 k155id1 – english A few Pictures: YouTube: Sorry, there was a YouTube error.