October 1999 Issue Articles and Columns   Select Year and Month to View Other Issues

ARTICLES

SERVOS, STEPPERS, AND OPTICAL ENCODERS — PART 3 - TJ Byers
Which one works best in your robotic or R/C project? This month: bipolar stepper motor electronic controllers.

POWERPOINTING YOUR PROJECTS — PART 2 - Steve Daniels
This installment shows the construction of another PowerPoint template — one that will allow us to create artwork for making PC boards.

AUTOMATIC NIGHT LED - Evert Fruitman
Make several useful, practical, portable lights using LEDs.

ATMOSPHERICS ENHANCE VHF/UHF/SHF RADIO RANGE - Gordon West
There is no coincidence when summer and fall weather bring enhanced radio range to frequencies 100 MHz to 10,000 MHz.

PRACTICAL Y2K PRECAUTIONS - Kenton Chun
With the dawn of the new millenium fast approaching, now is a good time to take a look at some common-sense precautions.

AUDIO DESIGN WITH OP-AMPS - Thomas Henry
Learn some techniques that help “fill in the gaps” in standard op-amp design for high quality, low noise audio circuits. You’ll get the basic formulas you need to get started, plus a few not so well-known tricks.

COLUMNS

AMATEUR ROBOTICS NOTEBOOK - Robert Nansel
Building a software-only I2C master.

OPEN CHANNEL - Joe Carr
A little digression: a “boatanchor” kit, plus more on the AD8307 chip, the lightning detector revisited, hybrid couplers, and the Magic-T transformer.

STAMP APPLICATIONS - Lon Glazner
Faster, stronger, better: the BASIC Stamp 2-SX.