ARTICLES

PRINTER PORT VIDEO ADAPTER - Robert Davis
Part 2 of a three-part series on handy devices you plug in through your printer port.

A SWEAT-FREE, WALLET-FRIENDLY WAY TO UPGRADE FROM STEPPERS TO SERVOS - Jeffrey Kerr
Discover a simple alternative that allows you to use your stepper controller software to drive virtually any servo control system that uses a digital encoder for feedback.

SEAGOING HAMS LINK UP ON THE INTERNET - Gordon West
Amateur radio operators are making best use of the worldwide, high-frequency shortwave bands by adapting their equipment to transmit and receive text-based E-Mail.

USER'S GUIDE TO AUDIO POWER AMPLIFIERS PART 1 - Ray Marston
Audio power amplifier IC basics are explained in this opening episode of a special five-part series.

BUILD A VOX (Voice-Operated Switch) - Fred Blechman
Construct this handy device to voice-activate a recorder or amateur ham radio transmitter, among other uses.

THE SERVICE TECHNICIAN'S GUIDE TO THE WORLD WIDE WEB - Jeff Mazur
If you are actively involved in electronics, then check out these tips for Web-surfing in your specific area of expertise.

WALKER ROBOTS - John Iovine
Transverse the roughest of terrain with this easy-to-build walker robot.

A TWO-WHEELED ROBOT - Michael Gray
You'll get on a roll when you construct this robot, and learn a few principles of technology, physics, and engineering along the way.

COLUMNS

AMATEUR ROBOTICS - Karl Lunt
A touch of Mars.

OPEN CHANNEL - Joe Carr
Meteor scatter reception.

RESOURCE BIN - Don Lancaster
Getting started in amateur astronomy.

STAMP APPLICATIONS - Jon Williams
PBASIC programming with style.

SOFTWARE WIZARDRY - Harry Helms
Creating your own web page.