Clever, James sent in this this javascript page works out the internal wiring of a stepper motor from the results of some simple tests. This is great for salvaged motors of unknown make – Link. Pictured here, Bre’s drawing bot, well, the start of it! – Link.
Looks like Content Paradaise is giving away Poser 5 ($79) if you register with them (also free) by September 8th, if you’re thinking of dabbling with 3D figures, animations and art, might be worth checking out while the price is right – “Poser 5 is the award-winning 3D character design tool for artists, illustrators and […]
John writes – “I saw this at my local Walmart today and HAD to get one. At first I thought it couldn’t be a real radar gun but the package says “10.525 GHz”. I took it apart enough to find what looks like a waveguide antenna. The screws are all covered with plastic plugs so […]
Toolmonger has a great in depth review and test on Black & Decker’s Auto Wrench. Toolmonger says, “We were concerned about the AutoWrench’s strength, so we built a cool test rig to measure exactly how much torque it could take. Afterward we disassembled our test subject and found some parts Makers’ll definitely want to scavenge […]
If you need to log/store temperatures, this looks like a pretty interesting kit that uses iButtons – “The DS1921 included in this kit is a complete self contained temperature data logger measuring only 17.35mm wide and 5.89mm thick. It has an accuracy of +/- 1°C from -30°C to +70°C. A built in real-time clock and […]
EiED online’s Bill Wong reviews the propellor multicore processor from Parallax (best known for their BASIC stamp) – “Parallax took a major turn from its bread and butter Basic Stamps and SX processors with its new Propeller architecture. The Propeller packs eight 32-bit processors, called cogs, into a single package… Packing eight identical processors in […]
Adam writes – “Today with the help of my four year old son Kai, we built a little experimenter’s board because he has been wanting to “learn about ‘lectricty” for a while now. First I found an old piece of MDF from my shed and cut off a bit about 10″ by 6″. Then I […]
