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Features

Making the DEFCON 17 Badge, by Joe Grand
Joe’s annual commentary of what it took to pull off another innovative design for the badge of a very unique event.

Projects

Build the Self-Locking Box
Electronic Gadgets, by Corbin Adkins
Design your own RFID-controlled box that only you can open.

Wireless Trailer Taillights
Wireless, by Ron Newton
Keep your trailer in tow with this handy device.

Experiments with Alternative Energy
Automotive, by John Gavlik
Learn the fundamentals of renewable energy through this educational series. This month: Build the Telematics Car.

Columns

Techknowledgey, by Jeff Eckert
TechKnowledgey 2010
Solar airplane takes flight, what’s old is new again (think Commodore 64), compact AC/DC power supplies, plus other stuff you’ll find interesting.

The Spin Zone, by Jon Williams
Propeller Time
The Propeller’s architecture gives us the ability to be fairly precise about timing without much effort, and I thought it was time we delve into that a bit. Timing, that is.

Q&A, by Russell Kincaid
Power supply, mystery component, convert DC meter to AC, plus more.

Smiley’s Workshop, by Joe Pardue
Smileys Workshop: An AVR C Programming Series (Part 24)
AVR Memory Part 2: EEPROM

The Design Cycle, by Fred Eady
Bringing a USB-to-UART Protocol Converter to Life
Did you know that Microchip offers a USB 2.0 to UART protocol converter? It’s called the MCP2200.

Near Space, by L. Paul Verhage
They Came From Outer Space!
Atoms from another star and possibly from another galaxy are detectable right here on earth.What are these mysterious rays and how are they detected in near space?

Departments

Developing Perspectives, by Bryan Bergeron
Please visit our Developing Perspectives blog to read the full article and comment.

What a Diode Does
Just getting started in electronics? Try these simple demos to illustrate electronics principles and how components function in actual circuits!