EEVblog’s tribute video to the 555 timer IC and its designer Hans Camenzind, released May 5th at 5:55pm, marks 55 years since the chip debuted.
Key Takeaways
The 555 timer, designed by Hans Camenzind, turns 55 in 2026 and remains a widely used general-purpose IC.
EEVblog timed the release for May 5th (5.5) at 5:55pm, with a run time of 5m55s, leaning into the 5 motif.
The chip’s longevity reflects its versatility across oscillator, monostable, and bistable applications far beyond its original scope.
Hacker News Comment Review
Commenters share nostalgia-heavy personal builds with the 555, including the Atari Punk Console, reflecting the chip’s role as a hobbyist gateway component.
One commenter noted the 555 has a darker real-world history, having been used as a timing component in IRA improvised explosive devices.
Notable Comments
@tuvix: Built an Atari Punk Console with his late father; keeps it in a shadow box, illustrating the 555’s role in personal maker history.
@davidwritesbugs: Notes a bomb disposal expert explained how the 555 was used in IRA bombs, a sharp contrast to its hobbyist reputation.
