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Features

A 16-Bit Micro Experimenter for Solderless Breadboards by Tom Kibalo
Ready to move up to 16-bit stuff? Well, we've got the perfect Experimenter for you, along with some cool applications to get your feet wet.

Projects

Recycled Electronics by Paul Sharp
Combine a used cat food can, a 25-year old CMOS chip, and a handful of components, and you too can make your neighborhood school buses safer!

Keyboard Game Interface by Jochen Jahn
Simulate keyboard strokes using inputs on a microcontroller to fly your (simulated) place.

Experiments with Alternative Energy: Part 5 by John Gavlik
Learn the fundamentals of renewable energy through this educational series. This month: Experimenting with the Double Wide Sun Tracker.

Columns

Techknowledgey by Jeff Eckert
Techknowledgery 2009 | December 2009
Topics covered include a $10 million buzz, adapter to simplify sharing digital content, vintage Mac fetches $8260, plus other stuff.

Smiley’s Workshop by Joe Pardue
Smileys Workshop: An AVR C Programming Series (Part 17)
Simple motor speed control using the Arduino.

Q&A by Russell Kincaid
Q&A | December 2009
Wind chime light show, DC-to-DC converter, bug zapper, plus more.

The Design Cycle by Fred Eady
Find the HIDden virtues of USB
While we were extolling the virtues of USB as an RS-232 killer, we were totally ignoring one of USB’s greatest strengths: the HID class.

Personal Robotics by Vern Graner
The Parallax Stingray Robot
Stronger than a BOEBOT, more powerful than a pen-wielding Scribbler, easier to carry than a QuadRover, the Parallax Stingray mobile robotic platform has landed!

PICAXE Primer by Ron Hackett
Interfacing Seven-Segment LCD Displays
This time,we’re going to experiment with interfacing seven-segment LED displays with PICAXE processors.To explore the basic concepts involved, we’ll begin with the simplest case: interfacing a single-digit LED display with a 20M processor.

Open Communication by Louis E. Frenzel
New Integrated Circuits Make Wireless Easier
The one thing that has made wireless so easy to implement everywhere is the integrated circuit. The single chip radio transceiver is a common device and it is available in many forms to give us the huge number of communications options we have today.

Departments

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