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Experiments with Alternative Energy: Part 3by John Gavlik Learn the fundamentals of renewable energy through this educational series. This month: Build a Solar Powered Battery Charger.
USB MP Controllerby Rob Caruso This 'Recycled Electronics' build uses a knob from a VCR to create a controller for the Windows Media Player.
Retractable Micro-Probe for Fine-Pitch IC Access by Dave Siegel Size matters when you're working with surface mount components. This handy device will get you right to the point of things.
The Green Standby by Carlos Cossio Don't let your TV or other appliances suck power while in standby mode. Leave them connected to the grid while cutting the costs of your electric bills at the same time.
Techknowledgey by Jeff Eckert TechKnowledgey 2009 Topics covered include iPOD recording device, repulsive light force discovered, protecting personal data, China to dump Lenova holdings, plus other stuff.
Open Communication by Louis E. Frenzel E-Books E-books offer one more way to communicate electronically.
Smiley’s Workshop by Joe Pardue Smiley’s Workshop: Infrared Object Detection (Part 15) Infrared object detection meets tomato soup cans.
Q&A by Russell Kincaid Reader Questions Answered Here Game show lockout circuit, fluorescent ballast, PICAXE or PIC, plus more.
Personal Robotics by Vern Graner The Halloween Prop Dropper The Prop Dropper is designed to detect the presence of a person, rapid-deploy a small prop, display it for a moment, then wind it back up out of view, ready for its next victim.
The Design Cycle by Fred Eady The Design Cycle Unlocking a 16-bit USB front end for the new ENC624J600 stand-alone 10/100 Ehternet controller.
PICAXE Primer by Ron Hackett Using The AXE027 USB Programming Cable This month's Primer we're going to take a first look at how to cope with the process of migrating from the serial to USB programming connections.