Wire strippers

Automated Fan Speed Controller

Automated Fan Speed Controller

When our house was built, I put a server room next to my office. Unfortunately, it had only a small bathroom-style fan with a 4″ duct leading outside, and during the summer I had to leave the door open, which made my office hot and loud. So I installed a larger fan, along with an […]

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Fetch-O-Matic: Automatic Ball Launcher

Fetch-O-Matic: Automatic Ball Launcher

[youtube http://www.youtube.com/watch?v=V9UOcUKazSA?wmode=opaque] Several years ago I watched a viral YouTube video that starred Jerry the Dachshund, whose engineer owner had built him his very own automated ball launcher. I had two dogs at the time, and was also unemployed with some time on my hands, so I decided to try my hand at building one. […]

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Simple Van de Graaff Generator

Simple Van de Graaff Generator

When I was younger, I spent hours perusing Bill Beaty’s electrostatics web pages. At the time, I didn’t achieve any real successes trying to build his high-voltage contraptions, and so my interest waned. Years later, I saw someone online use a soda can as a collector for their Van de Graaff generator, and all my […]

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