MAKE Presents: The Capacitor

John Baichtal

My interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal nerdage.net

2246 Articles

By John Baichtal

My interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal nerdage.net

2246 Articles

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Once again Collin Cunningham comes through! This time he provides an elegant description of capacitors, including early capacitors called Leyden jars.

Makezine_COTM_Capacitor-Badge

Simple yet effective, they come in a dizzying array of forms and materials. Vital to so many circuits for storage, timing, and filtration – the mighty capacitor!

In this installment of the MAKE Presents series, I explain how to build a leyden jar, how the capacitor was invented, and how to use one to light an LED. I incorporated some viewer requests from MAKE presents: The Resistor and I’ll be adding more in the next installment. Please a comment if there’s anything else you’d like to see covered in this series.