555 Week

555 Timer Weekend Projects

The 555 timer IC has been used in many of our Weekend Projects, from beginner-friendly breadboard experiments to advanced weekend-long builds.

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555 Memorial Circuit

[youtube=http://youtu.be/5MwI6dgCwZo] To mark the passing of Hans R. Camenzind (designer of the 555 timer chip), MAKE reader Jim Frize freeformed this lovely little oscillating circuit as a solemn tribute. More: See all of the posts for 555 Week.

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555 Timer Contest Highlights

To mark the recent passing of Hans Camenzind, we are running a 555 mini-retrospective this week. Last year Jeri Ellsworth held a 555 timer contest in the categories of Artistic, Complex, Minimalist, and Utility. Here are some photos and schematics of the first place winners from that contest.

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Top 10: 555 Timers

Top 10: 555 Timers

To mark the recent passing of Hans Camenzind, we are running a 555 mini-retrospective this week. Today I’ve rounded up some of my personal favorite 555 content from our archives, arranged in arbitrary top 10 order. Many of these are “fun” or “meta” 555 type posts. We’ll be following on later in the week with more circuit-specific 555 coverage. Stay tuned!

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RIP Hans Camenzind

RIP Hans Camenzind

We were saddened to learn last week that Swiss-born engineer, Hans Camenzind, had died on August 8th. In honor of the life and work of Hans Camenzind, we’re declaring this 555 Week.

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