bobriciusI checking my new IV-3 tubes, they are IV-3 V-82 and pinout is different like IV-6 !!!!
Check this article http://timewitharduino.blogspot.com/2017/07/iv-3-vfd-confusion.html
more IV-3 versions with different pinout !!!
A project log for IV-3, IV-6 VFD 6 digit clock Shield for Arduino
Redesigned AXIRIS IV-3 Shield with DS3231. Battery and buttons ... + 2 Extra Digits
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