2 layers70 × 65 mm

Nixie clock
jason-watkins/nixie-clock
USB-C powered nixie tube clock. Four IN-12B digits, two INS-1 colon lamps, K155ID1 BCD decoder/drivers.
103 partsCC-BY-SA-4.0
Boards in 1 GitHub repository, designed in KiCad, that use the FDC6312P by TECH PUBLIC (-55℃~+150℃ 1.1W 1V 2 P-Channel 20V 300pF 3A 50pF 65pF 6nC@4.5V 85mΩ@4.5V、120mΩ@2.5V SOT-23-6L MOSFETs ROHS). See how each wires it, with its parts, size, README and files; the FDC6312P’s symbol, footprint and pinout are on its own page.

jason-watkins/nixie-clock
USB-C powered nixie tube clock. Four IN-12B digits, two INS-1 colon lamps, K155ID1 BCD decoder/drivers.