In this video, Jeri Ellsworth thinks back to her childhood, to oscillator circuits she used to see using incandescent lightbulbs, and explores the utility of such a seemingly lame design. You may be surprised by the results. The circuit she builds and tests is called a
Wien bridge oscillator.
Here, Jeri describes and then examines static vs. dynamic flip-flop circuits. A flip-flop is a circuit that can store state information and is part of the foundation of digital electronics.
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Gareth Branwyn is a freelance writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor to Boing Boing, Wink Books, and Wink Fun. His free weekly-ish maker tips newsletter can be found at garstipsandtools.com.
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