Month: January 2011

Arduino documentary is live!

dcuartielles writes – Arduino The Documentary is finally out. We have been waiting for long, but now you can see it at Vimeo (EN, ES) and download it from Archive.org (links coming soon). The file is licensed under CC-SA 3.0 and can be redistributed. The makers are working in making a batch of DVDs that […]

Nixie tube reverse geocache box

Nixie tube reverse geocache box

Arduino forum member RickP posted his awesome-looking reverse geocache box, which unlocks to reveal its contents only when it’s in a certain place on the globe. He uses an Arduino, a GPS sensor, and a trio of nixie tubes, which indicate the box’s distance from that special spot. When the button is pressed in that […]

How-To:  Trammel of Archimedes

How-To: Trammel of Archimedes

The mechanism known formally as the Trammel of Archimedes (Wikipedia) has practical application, when fitted with a drawing or cutting tool, as an ellipsograph. Otherwise it is fascinating but generally useless, and these qualities have earned it a variety of approximately affectionate epithets: “do nothing machine,” “nothing grinder,” “BS grinder,” and “Kentucky do-nothing” are a […]