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Two voices with one speaker, classic 1980s chip tunes style

A video posted by Dan Royer (@imakerobots) on Feb 11, 2015 at 2:28pm PST

We built an Arduino Tetris game with the Arduino Starter Kit and we played music with a piezoelectric speaker from the same kit, so it’s only natural to combine the two and add Tetris music to our game.
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Class: Soldering 101 TV-B-Gone: Sunday, March 7, 2015

In this class at VHS you’ll learn to solder through-hole PCBs, the same skill you would use to put together many DIY kits.

TV-B-Gone is a universal remote that has one job: to turn TVs off.

Class will be $30 for the kit, no attendance fee. Kit includes all the parts and two AA batteries. Class is limited by the number of working irons, not the number of kits.

PS: TV-B-Gones are available in the VHS vending machine, so you can make one any time. Death to TV!

Register now on EventBrite.

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Makelangelo with a Raspberry Pi

The Makelangelo on Github has just received (and accepted) it’s first pull request to add Raspberry Pi support to the Makelangelo. Everybody please give Chris Mills some love in the forums.

For now it’s developers-only, so if you want in on the action you’ll have to start coding.

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HOG drive as RC Kite vector thrust gimbal

Thingiverse user Rasterize wrote in to point out that the Hemispherical Omnidirectional Gimballed drive I designed some time ago has a second life as a vector thrust gimbal for kites.

Why would you put vector thrust on a kite? How about because it’s beautiful.

Ideas like this crack my brain open like a raw egg. I never would have considered it!

…Can you make a dozen of them flocking together?

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GCodeDemoCNC Plasma Cutter prototype

Andy Lynch wrote in to tell us of his experimental plasma cutter CNC machine. GcodeCNCDemoV2 was used in the brain of a portable CNC Plasma cutter prototype. (more…)