June 1998 Issue Articles and Columns   Select Year and Month to View Other Issues

ARTICLES

SECURITY ELECTRONICS SYSTEMS AND CIRCUITS — PART 5 - Ray Marston
Take a look at IR light-beam and PIR movement-detector circuits and systems in this month’s installment.

PRINTED CIRCUIT BOARDS FOR EVERYONE - David Schneider and Stanley Reifel
Thanks to ExpressPCB, prototyping with printed circuit boards can be inexpensive and hassle-free.

THE WEEKEND WORKBENCH - Andy A. Node
Andy returns with an IR switch that lets you control your lights with your VCR remote.

FREE RADIO SIGNALS FOR GPS ERROR CORRECTION - Gordon West
Right now, the US Coast Guard and the Department of Transportation are providing GPS users with free correction signals.

C POINTERS AND LINKED LISTS - Jeff Stefan
This article will help you understand pointers, and provides linked list code that you can use in your own applications.

ROBOT WARS 1997: LA MACHINE - Dan Danknick
Described by the creators as “a car accident on wheels,” La Machine demonstrated its own version of a “smash fest” at the Robot Wars competition.

COLUMNS

AMATEUR ROBOTICS NOTEBOOK - Robert Nansel
Our new host starts with a simple, easily customizable project: the Breadbot.

OPEN CHANNEL - Joe Carr
Some practical matters: troubleshooting, op-amps, and PCB software.

RESOURCE BIN - Don Lancaster
A look at accessing offshore electronics.

STAMP APPLICATIONS - Jon Williams
Talk is cheap. Give your BASIC Stamp projects a voice with the SP0256-AL2 allophone speech processor from General Instrument.

SOFTWARE WIZARDRY - Harry Helms
Getting animated with your graphics.