March 1997 Issue Articles and Columns   Select Year and Month to View Other Issues

ARTICLES

SERIAL COMMUNICATIONS AND PROTOCOL STACKS: WHY ALL THE LAYERS? — Part 2 - Jeff Stefan
In this second installment, build the Message Buffer service functions and develop a Data Link protocol to transfer data packets from machine to machine.

THE BENDER-2PP TUBE PUSH-PULL AMPLIFIER REBUILD PROJECT — Part 2 - Steve Bender
Our rebuild/conversion project continues with some new revisions.

SIDE-SCANNING SONAR TO THE RESCUE - Gordon West
New technology packs plenty of bang for the buck when it comes to underwater scanning.

THE AGAMEMNON: CONSTRUCTION OF THE 1996 ROBOT WARS MIDDLEWEIGHT WINNER - Dan Danknick
Late-night machining, welding sunburns, and low bank balances were worth the headaches on the way to the winner's circle.

BUILD A DELUXE TIMEBASE - Fred Blechman
Ever wondered about the accuracy of the dials and digital readouts on your frequency-related test equipment? Here's a simple and inexpensive way to calibrate ...

A TRANSFORMER TUTORIAL - Frank Smith
Much as we learn about ourselves from our mistakes, we can learn a great deal about transformers from their imperfections.

COLUMNS

AMATEUR ROBOTICS - Karl Lunt
Checking out the 'b32.

OPEN CHANNEL - Joe Carr
Dealing with resistive sensors.

RESOURCE BIN - Don Lancaster
A new way to explore trade journals.

STAMP APPLICATIONS - Scott Edwards
Analog-to-digital conversion the old-fashioned way.

SOFTWARE WIZARDRY - Harry Helms
A look inside next-generation operating systems.