Year: 2010

John Park in the Maker Shed: LoL shield

The LoL Shield is a charlieplexed LED matrix for the Arduino. You can use it to display anything in a 9×14 grid. Scroll text, play games, display images, or anything else you want to do. Please note, this is a shield and requires an Arduino for control. Comes with library and example code to get you started programming Lots of LEDs right away!

Control AC devices from your computer

Control AC devices from your computer

Instructables user indestructable created this guide on connecting AC fixtures (light bulbs, in this example) to your computer using a USBmicro U451. If you have ever wanted to control electronic devices from your computer to control or regulate your environment, this instructable will guide you. In this example of computer control, a USB relay device […]

How-To:  Anodize aluminum

How-To: Anodize aluminum

Ron Newman’s fantastic page on DIY room-temperature anodizing of aluminum parts was last revised in 2007, and looks like it may be significantly older than that. Ron’s selling a how-to book, now, and a bunch of anodizing supplies, from the same page, but to me it looks like there’s more than enough free info there already for a savvy person to figure it out for him- or herself. And while Ron’s set-up, pictured above, may look intimidating, it’s actually possible to do this without a lot of expensive equipment.

Bicycle monowheel

Bicycle monowheel

Earlier this week I posed bike hacker Pater Wagner’s uni/bicycle. Earlier this month we featured his monster bike. Now it’s his monowheel. No handlebars — presumably you have to lean to steer. But don’t lean too much! What an awesome creation. More: The history of Monowheels Maker of the day – Kerry McLean, 225-horsepower gasoline-powered […]