|
ARTICLES
BUILDING A BETTER MOUSE TRAP — PART 3 - Steve Parkis
A Keyboard for Your Stamp. This final installment will show how programming modifications alone provide a PS/2 keyboard interface for use with a BASIC Stamp. Learn fundamental keyboard functions, have the SX28 interface program presented to you, and its use illustrated with some BASIC Stamp code snippets.
MAX MOD — A Low-Cost 20 MHz Function Generator Module - James Lyman
A 20 MHz function generator for $20.00?!? MAXIM’s new chip — the MAX038 — not only operates easily to 20 MHz, but works beyond that, and produces a good clean constant amplitude wave form. Get step-by-step construction details of this module which an experimenter can easily use to build test instruments or computer-controlled test set-ups.
UNDERSTANDING MP3 AUDIO COMPRESSION - Robert Kelley
The MP3 audio format has become somewhat of a standard method for deploying video and audio media across the Internet. This article will show what an MP3 file looks like, how it works, and a general description of how to decode one.
PUT USB IN YOUR PROJECTS - Jan Axelson
Have you been shopping for a PC lately and have noticed something missing, like serial, parallel, mouse, and keyboard connectors? In their place, you’ll find the new Universal Serial Bus. This article introduces you to USB and describes options for designing devices that connect to this more “flexible” interface.
WORKING WORLDWIDE HF ON A TINY DUAL-BAND HAM RADIO - Gordon West
You can now put together a ham radio system that lets you work your worldwide station remotely with a little ham radio dual-band handheld. The Sky Command System by Kenwood Corporation is helping to put hams in touch around the world.
PRACTICAL LED INDICATOR AND FLASHER CIRCUITS - Ray Marston
A variety of LED indicator and LED flasher circuits are described here. Come up with some “bright” ideas for using these circuits in your own projects.
BUILD A TELEPHONE-BUSY LITE - Fred Blechman
Playing “modem roulette” whenever you are on-line? If the telephone line you use for your computer modem has extension telephones on that same line, you probably get dumped off the Internet a lot. Plug this simple project into your phone line and when any phone using that line is in use, the red LED will light.
COUNTDOWN CONTROLLER - Dennis Eichenberg
Need a time delay for your project? Check out this simple circuit. This circuit is ideal for applications such as toy rocket ignition systems or camera self-timers.
COLUMNS
AMATEUR ROBOTICS NOTEBOOK - Robert Nansel
More good ’bot books, Divide-and-Conquer classifying of robots, and more motor driver circuits. Get some great insights from Robert as he “packs it up” for his big move ...
ELECTRONICS Q & A - TJ Byers
OPEN CHANNEL - Joe Carr
Mystery EMI: Rusty downspouts and all that ... Revisit some of Joe’s more colorful EMI service calls from past years.
STAMP APPLICATIONS - Lon Glazner
A digital-to-analog converter for all seasons. Lon covers a powerful and simple circuit that is flexible enough for a myriad of designs which might require analog control signals.
THE COMPUTER-CONTROLLED WORLD - Ryan Sheldon
More Byte Bugs: Nine New CPUs simplify YOUR computer-controlled world. Ryan introduces you to his new family of simple-to-use CPUs including VU Meter and VU Meter2 — analog control processors that do a specific function without a computer attached.
|
