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! In the meantime, please feel free to chime in with suggestions or comments about your own experiences with the 555.


555 timer cake


555 timer origami


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Maker’s Notebook 555 Cover


EMSL’s 555 Footstool


Collin’s Lab: Atari Punk Console


How-To: Make a remote timer for a Canon SLR


555 Photovore Pulls Cable Through Air Duct


Simple DIY 555 Synth


Mint-tin Intervalometer


Elegant 555 Radio


I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and My work has also appeared in ReadyMade, c't – Magazin für Computertechnik, and The Wall Street Journal.

View more articles by Sean Michael Ragan