How to Make a Capacitor From Scrap Aluminum
Jezan needed a variable capacitor for a project. Not having one, he created one out of scrap aluminum.
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component of the month
Ultracapacitor Experiments
Jesse Holleran’s quirky video demonstrates a bunch of experiments he did with a 3,000-farad capacitor, including welding two pieces of metal together melting a paper clip, and electrolyzing water into oxygen and hydrogen.
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MAKE Presents: The Capacitor
Collin Cunningham provides an elegant description of capacitors, including early caps called Leyden jars.
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Super-Capacitor Flashlight
Patrick AKA EngineeringShock built a flashlight that uses no batteries, and instead charges up a bunch of caps from a wall wart.
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SMD Capacitance Hack
Akiba of Freaklabs, a Tokyo-based open-source electronics kitmaker, needed to add some 0805 surface-mount capacitors to an existing PCB, so he stacked them up! super ghetto bulk capacitance hack. my RF amp is more power hungry than i expected… See the related links below for more of Akiba’s awesome work!
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Dangerous Fun with Super Capacitor Pyrotechnics
Getting into the 4th of July? Let’s check out the pyrotechnics that ultracapacitors can generate!
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Component of the Month: The Capacitor
I’m super excited for this month’s component: the capacitor! It’s an electronic component that stores a small amount of energy in an electrical field. Caps make up a very diverse family of components! As usual, we start off our coverage with an excerpt from Charles Platt’s stellar Encyclopedia of Electronic Components, Vol. 1.
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