Relay control with Xbee modules
In this adafruit video, Limor demonstrates how to set up Xbee modules to wirelessly control both standard-type and latching relays. Using Xbees to control relays
Electronics
Scenes from the last Handmade Music
Yup, last week’s Handmade Music party was entirely off the hook and awesome. Full fledged performances by E-Squared and Peter Edwards of Casper Electronics. Plus a hauntingly interactive piece by Ranjit Bhatnagar and a demo of Eric Archer‘s Dronematrix handheld synthstrument. Good times – and of course more to come next month! (5/21/09 to be […]
GeekCycling at the MIT Flea Market
Where do you get that special something for that special project if you aren’t quite sure what it is or where to get it? Why the MIT Flea Market, of course! The MIT Radio Society, in conjunction with the MIT UHF Repeater Association, the MIT Electronics Research Society, and the Harvard Wireless Club, sponsors a […]
WEEE Man teaches with technojunk
Image from WEEE Man WEEE Man is a massive pile of technojunk brought out of the netherworld of the e-waste stream. As an educational project, the WEEE (Waste Electrical & Electronic Equipment) Man site provides useful resources for teachers and students. Their overview is a good place to start on the big picture of the […]
Lost Knowledge: Homemade electronic components
The weekly Lost Knowledge column explores the possible technology of the future in the forgotten ideas of the past (and those slightly off to the side). Each Tuesday, we look at retro-tech, “lost” technology, and the make-do, improvised “street tech” of village artisans and tradespeople from around the globe. “Lost Knowledge” is also the theme […]
Soviet control panel pr0n
OMG, I think I just blew the lid off my chrome dome in peals of rhapsodic techno-bliss over this photo set of Soviet-era nuclear control gear. Paging Dr. Strangelove! Kurchatov Nuke Equipment
Hacking tiny servos for continuous rotation
MAKE contributor and robotics author Tod Kurt put up this short video and how-to on hacking tiny, cheap servo motors for continuous rotation. Anyone who’s done a lot of miniature robotics building probably knows the hardware hack to turn a regular servo motor into a continuous-rotation gearmotor, by removing the mechanical stop and the servo […]