thekakkun/Callisto

A desk clock that uses a Russian IV-18 VFD tube

9 best points · 1 comments · 1 Hacker News post · 31 GitHub stars · View on GitHub

Hacker News discussions

• Show HN: Built a VFD clock driven by an ESP32 (9 points, 1 comments, by kakkun, 2022-01-03)