ARTICLES

PRINTER PORT AUDIO ANALYZER - Robert Davis
The final installment of this three-part series on handy devices you plug in through your printer port.

USER’S GUIDE TO AUDIO POWER AMPLIFIERS PART 2 - Ray Marston
Take a look at nine popular audio power amplifier ICs with maximum output power ratings in the range 325 mW to 5.5 W in this second part of a five-part series.

FLOAT YOUR PORTABLE - Gordon West
Keep your portable electronic equipment “in the bag” to protect it from the perils of water damage.

JUJU! DISK-FIKSING — LAST CHANCE FOR LOST DATA - Alan Johnson
Your floppy disk has crashed with valuable data. Before you throw it in the trash, there might be one last chance ...

DIGITAL VOLTMETER CAPACITANCE ADAPTOR - Fred Blechman
Use this inexpensive capacitance adaptor with a DVM or DMM to measure capacitor values from 20 pF to 2 uF.

DATA ENCRYPTION: WHY THE CONTROVERSY? - Jeff Stefan
This article explains the concepts and controversy behind data encryption and provides an encryption program for your own personal use.

THE UNIVERSAL LASER RECEIVER AND DECODER - Zachary Scott
Learn how to build a broad-based laser light receiver and decoder for an unbelievable price.

ENCYCLOPEDIA OF ELECTRONIC CIRCUITS: THE CD-ROM OF 1,000 CIRCUITS — PART 1 - TJ Byers
In this three-part series, TJ will show you how to use this CD to go from concept to copper, and build a karaoke amplifier in the process.

COLUMNS

AMATEUR ROBOTICS - Karl Lunt
Starting a robotics club, mini Sumos, and chocolate eclairs. .

OPEN CHANNEL - Joe Carr
Renewing your most renewable resource.

RESOURCE BIN - Don Lancaster
Terribly tricky terrific toner techniques.

STAMP APPLICATIONS - Jon Williams
Demystifying character-based LCDs.

SOFTWARE WIZARDRY - Harry Helms
Windows95 hot-rodding.