Chomping Pac-Man Costume


A few years back I built a giant Pac-Man costume at the last minute, but it wasn’t good enough for a tinkerer, so I figured that there had to be a way to make it better. What better than to add a functioning mouth to the costume! Thus started the... Read more »

Speed Vest


This lightweight night-cycling vest displays your current speed in glowing, 7-inch-tall numbers easily visible to cars. Read more »

Spazzi: A Solenoid Powered Dancebot


At BeatBots, we believe that dancing is one of the most worthwhile occupations a robot can have. We like making cute characters move in interesting ways, and as you’ll see, this doesn’t require expensive components or complicated programming. For Spazzi here, we decided to forego the rotational motors (servos and... Read more »

Interactive Wall of CDs


Many of us over the years have collected boxes of CD cases of the music albums we purchases. Nowadays more and more people are buying digitally, but some of us still prefer the higher quality audio and tangible cover art of physical CDs (used CDs are often cheaper than digital... Read more »

Universal Temperature Controller for $70

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  • 12/18/2012 @ 10:38 pm

A while ago we built a $50 dollar sous vide machine to start messing around with sous vide cooking. We loved it, and it has been precise and stable over a long period of time. However, we thought it’d be awesome to create a brain that could control anything based... Read more »

Compressed Air Rocket


Author Note: Since the release of the article in MAKE Magazine Volume 15 in 2008, the Compressed Air Rocket has been popular beyond belief.  We’ve sold thousands of kits and Kip Kay’s Weekend Project on YouTube has over one million views!  Now we’re rolling out a Version 2.0 of the... Read more »

Digital Cheese Vat / Sous Vide Circulating Bath

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  • 12/18/2012 @ 10:38 pm

Cheesemaker Yoav Perry writes: When I began thinking about a sous vide machine that would not cost $400-$5000, I immediately began to understand the enormous potential it has to make a perfect cheese vat. At first, I did sous vide in the cheese vat and that’s where I met Lisa... Read more »