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Monkey Couch Guardian

Monkey Couch Guardian

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 a table, […]

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Drum Kit Kit

Drum Kit Kit

The kit contains the electronic parts required to make a drum kit. This includes the circuit board, resistors, diodes and pins. You supply the Arduino and the material to make the actual drum pads. Below you will find easy instructions for making traditional-looking drum pads, but you could also stick the piezo elements (the parts […]

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Guitar Strap Gamepad

Guitar Strap Gamepad

If you’re playing Rocksmith (and I think you should be), and you’re playing standing up (ditto), you have probably run into the “where do I put the controller” problem. The gamepad is required to navigate the menu system between songs, and if you play in a standing position you have to keep a stool or […]

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Invisible Glass Photography

Invisible Glass Photography

Recently, I needed a special photograph for my Soda Can Label Embossing project. I wanted to show a long embossed label arranged in a spiral, so that both the front and the back of the label were visible, in order to show off both the clear embossed text on the front, and the soda can […]

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Robot-Headed Valentine Box

Robot-Headed Valentine Box

The robot-headed valentine box is basically a cardboard box that has a few electronics inside. This is perfect for a valentine box, especially for kids. You just put the valentines through the mouth, and access them at the back. This is also a very fun craft to do so let’s get started.

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 Hot Air Balloon

$4 Hot Air Balloon

On a June afternoon in 1978, while most normal kids were focused on sports or getting Dad’s car keys, I was busy readying another one of my quixotic contraptions, made out of junk-at-hand, for its maiden voyage. Assisted by a good friend who also enjoyed such nerdy pursuits, I stoked a fire inside an improvised […]

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