We know, we know — yet another Nixie clock. But really ... The PCBs come in two flavors, one for the IN-12 and one for the IN-14, and connections for the SPI interface and both high- and ...

Nixie tubes, while built during the vacuum tube ... The Nixies he chose were IN-12 which are popular in his Eastern European home, but could be sourced from eBay and shipped anywhere in the ...