Hookup wire

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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Monkey Couch Guardian

[youtube http://www.youtube.com/watch?v=WxTsudqfupc?wmode=opaque&w=620&h=349] My cats like to jump on furniture and shed their fur, which ends up on my clothes. To stop them, I’m using a Monkey Couch Guardian. I made it from one of those old-fashioned cymbal-banging toy monkeys, modified with an inexpensive Arduino microcontroller and a proximity sensor. Now when a cat jumps on […]

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