EEVblog: The 555 Timer is 55 years old | Hacker News

Hacker News users marked the 555 timer IC’s 55th anniversary with a wave of nostalgia and appreciation.

Commenters shared classic and practical uses, from shutdown timers to countless DIY electronics projects.

The discussion highlighted how a simple hardware timer has remained a staple for hobbyists and students for decades.

Mentions of EEVblog, Forrest Mims III, Radio Shack, and old electronics books underscored the chip’s cultural staying power.