Diy Calculator Kit Digital Display Mcu Pocket Nixie Tube Calculator Module Transparent Case Auto Sleep For Soldering Practice - Integrated Circuits - AliExpress
Found this incredible vintage Facit nixie tube calculator. Still works perfectly and I love the vibe it has. Not really sure what I'm gonna do with it so feel free to dm
Nixie Tube Calculator, Powered by a Raspberry Pi – Dr. Scott M. Baker