2 layers274.3 × 30.5 mm

Numitron2
74hc595/Numitron-Clock
An alarm clock using 9-segment numitron displays
56 parts6BSD-3-Clause
Boards in 5 GitHub repositories, designed in KiCad, that use the PKLCS1212E2000-R1 by Murata (-20℃~+70℃ 12mm 12mm 2kHz 3mm 76dB Passive (Externally Driven) Piezoelectric ±12.5V SMD,12x12mm Buzzers ROHS). See how each wires it, with its parts, size, README and files; the PKLCS1212E2000-R1’s symbol, footprint and pinout are on its own page.

74hc595/Numitron-Clock
An alarm clock using 9-segment numitron displays




samp38/koboy
Kit to turn a Kobo mini into a flight instrument (XCSoar)