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Author: Kathy Ceceri

Kathy's superpower is creating low-tech robotics and engineering projects that really work using ordinary everyday stuff. Her titles for Maker Media include Musical Inventions, Fabric Inventions, Edible Inventions, Paper Inventions, and Making Simple Robots. When she's not busy writing, Kathy presents workshops for students and educators at schools, museums, libraries,...

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Author: wpengine

This is the "wpengine" admin user that our staff uses to gain access to your admin area to provide support and troubleshooting. It can only be accessed by a button in our secure log that auto generates a password and dumps that password after the staff member has logged in....

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Building a Transistor-Scale 555

Building a Transistor-Scale 555

08/28/2013

Evil Mad Scientist Laboratories and Eric Schlaepfer have developed a kit that builds a working 555 built out of discrete,...

555 Timer Blinky

12/18/2012

In this project, you’ll learn how to solder together a battery-powered, 555 Timer-driven blinky toy.

555 Timer Ball Whacker

12/18/2012

This project uses a simple 555 timer chip and a feedback loop to control a servo-controlled wooden arm. Whenever an...

555 Timer Weekend Projects

08/24/2012

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

555 Memorial Circuit

08/23/2012

To mark the passing of Hans R. Camenzind (designer of the 555 timer chip), MAKE reader Jim Frize freeformed this...

555 Timer Contest Highlights

08/22/2012

To mark the recent passing of Hans Camenzind, we are running a 555 mini-retrospective this week. Last year Jeri Ellsworth...

Top 10: 555 Timers

Top 10: 555 Timers

08/21/2012

To mark the recent passing of Hans Camenzind, we are running a 555 mini-retrospective this week. Today I've rounded up...

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