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

ARTICLES

PORTABLE GPS DOES ROADS! - Gordon West
It's here ... a portable GPS that does land and sea for under $99.00.

BUILD THE PC TELEPHONE LOGGER - Chris B. Sakkas
Need to keep track of your calls? Want to know who has been called on your phone or check the accuracy of your phone bill? Then this device is for you ...

ELECTRONIC MAIL IS IN-DICATOR - Kenton Chun
Know exactly when your mail has arrived with this nifty device that really delivers!

POWER SUPPLIES FOR ELECTRONIC MUSIC - Thomas Henry
Learn why a quality power supply is crucial to good musical performance, and how to construct your own.

PHONE LINE TRANSPONDER - Terry J. Weeder
Want an easy way to re-boot a locked-up PC, reset an alarm system, toggle a few relays, or just listen for sounds of an intruder? This project provides the answer.

BUILD A TELEPHONE FM TRANSMITTER - Fred Blechman
Now the whole family can talk with this easy-to-build kit that transmits both sides of a phone conversation.

NIGHT VISION POWER SUPPLY - Richard Panosh
Build a power supply for night vision binoculars that runs on a 9V battery, and is also suitable for other high-voltage, low current applications.

DC VOLTAGE CONVERTER CIRCUIT - Ray Marston
DC voltage converter operating principles are explained, and a selection of practical application circuits are presented.

COLUMNS

AMATEUR ROBOTICS - Karl Lunt
Our fire-fighting robot takes its first steps, plus TopDraw 3.0 and Protoboard SMT-52 are discussed. .

OPEN CHANNEL - Joe Carr
Different strokes ... Numerous topics are covered from getting credentials to loop antennas.

RESOURCE BIN - Don Lancaster
A first look at wireless resources.

STAMP APPLICATIONS - Jon Williams
Back to basics (PBASIC) with fun and games.