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Information Links

Interesting Electronics Links

Links of Special Interest to Electronics Technicians, Students, and Instructors

Basic Electronics
Bulletin Boards and Forums
Circuits and Projects
Data Sheets And Application Notes
Educational Material For Teachers
Pinouts, Connectors and Cable Descriptions
Technical Articles

Basic definitions and equations. Sponsored by RoyMech

History of the transistor. Also includes a Teacher's Guide. Sponsored by PBS

Scot's Guide to Electronics
Scot's Guide to Electronics is designed to help you learn about components, circuits, and the use of electronics. You can explore the contents in whatever order you wish. The emphasis is on providing information starting at the 'absolute beginners' level.

Electronics For Beginners
Includes: Theory, Practical Skills And Projects, Components, Test And Measurement, And Digital Circuits. Sponsored by Graham Knott, Electronics and Microcomputing teacher at Cambridge Regional College, Cambridge, England.

The Electronics Workshop
An introduction to electronics Also, tutorials giving important physics and chemistry concepts related to the field of electronics. Also, An encyclopedia of electronics with numerous reference tables.

Basics of Electronics
Written by Raymond Miecznik.

Iguana Labs Beginner Tutorials

Internet Learning Resources Electricity and Electronics

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Electrical and Electronic Bulletin System
Bulletin system for professionals and vendors in the electrical and electronic industry. Free to use. TOPICS: Help Wanted - some technical questions, can anyone give me info? Ask The Expert - meet key people in the industry or make your own industry presence known. Marketplace(B to B, B to C) - new product announcement, trade leads. Marketplace(C to C) - exchange of individuals, used or surplus stuff, no business ad please. Manufacturers and Reps/Agents - a place where manufacturers and reps/agents meet. Used Machinery/Equipment - of electrical manufacturing Misc. Bulletin Board

All About Circuits Forum

All About Circuits
Vol. I - Basic Concepts; Vol. II - AC; Vol. III - Semiconductors; Vol IV - Digital; Vol. V - Reference; Vol. VI - Experiments

delabs circuits
Electronic circuits and technical documents. There are many free circuits, tutorials, links and ideas
A community site dedicated to the development and construction of electronic projects. This site contains electronic projects for you to build, articles, tutorials and a forum section if you need help.

Circuit Design Lab
Circuit Design Lab consists of several Java applets, each providing an opportunity to experiment with the design of a particular circuit.

Animated Circuit Simulator
Visualize (animate) the emulation of electronic circuit. The user will not just see the numbers, but also the node's voltage growing up and down by moving of the node itself on the circuit. The changes of current are shown by ammeter width, and other elements' states also can be seen by changing of the element itself, like a FET in Cut-Off state looks broken.

Digital Circuit Builder
Assign an equivalence between a mathematical value and an electrical charge.

Electronics Zone
"This site contains thousands of electronics circuits and do-it-yourself circuits for hobbyists, students,professionals etc. relating to a wide range of categories like audio,music,home/garden related,computer hardware,radio,robotics etc to name a few. "

Circuits in the Circuits Archive
Includes Ascii Circuit Diagrams, Radio-related Circuits, Computer-related Circuits, Audio/Music Circuits, Telephone Related Circuits. Sponsored by the University of Washington Electrical Engineering Department.

Electronics circuit designed by Tomi Engdahl
Includes Audio circuits, Video circuits, Computer circuits, Data communication circuits, Light effects and controllers, Measuring equipments, Power supplies, Telephone circuits

Bowden's Hobby Circuits
A small collection of electronic circuits for the hobbyist or student. Site includes 73 circuit diagrams, links to related sites, commercial kits and projects, newsgroups and educational areas. Sponsored by Bill Bowden.

Digital Music Zone
This web site features a selection of schematics for guitar effects, electronic circuits, and recording tips and techniques for the amateur and professional alike.

Wenzel Associates Technical Library - Electronics Hobby Page
Collection of electronic circuits and projects for the hobbyist.

Telephone-related ASCII Schematics V1.01

Electronics Cookbook Archive
Electronics Enthisiasts Share Circuit Ideas With Others.

Microprocessor Instruction Set Cards
Microprocessor assembler programming cards maintained by Jonathan Bowen as part of the Oxford University Computing Laboratory archive. It presents a series of programming cards which were developed for a wide selection of microprocessors but which are set out in a standard format. This enables users to swap between processors and programming cards with greater ease once the format has been assimilated.

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Video Lectures about Robotics
Video lectures and courses from top professors at suchools such as Yale, Stanford, Harvard and MIT about robotics

Video Lectures about Electronics
Video lectures and courses from top professors at suchools such as Yale, Stanford, Harvard and MIT about electronics

Resistor Color Code Calculator
Choose color of bands to calculate ohms or type in number of ohms and find out colors of bands. Sponsored by

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"The school technology authority"

Test and Measurement World
Articles, reference, software, and product info.

Planet Analog
News, columns, product reviews. Can subscribe to the Analog and Mixed Signal eNewsletter!

PCIM Online
Power conversion and intelligent motion.

Electronic Business
Management magazine for the electronics industry

Zen News
ZEN News is a free E-mail newsletter which provides a quick summary of news reports and developments in the Electronics and Information Technology area

the Technology Interface
"On-line journal for the Engineering Technology profession serving education and industry. The Technology Interface has been developed to provide professionals in the Engineering Technology profession and related fields, the opportunity to share ideas concerning teaching, teaching improvements, projects, industrial activities, research and much more via the internet."

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Pinouts for various connectors in Real Life™ INDEX

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Electrical Engineering Reference
Many links to Electronics basics and electrical engineering reference material

Semiconductor Directory
A reference site dedicated to the semiconductor industry and it's research, development and applications.

Electronic Definitions And Terms
Large list of electronic definitions

Electronics Lab
Links to articles, downloads, projects and an online community.

Engineering Reference File
The Engineering Reference File will offer a constantly expanding source of conversion factors,engineering information, formuli and "rules of thumb." Sponsored by Prem Magnetics Incorporated

Electronics Calculator Website
Please choose your calculator from the left hand panel. When your calculator appears, enter your variables in the form boxes provided. Simply enter the variables you know, and the unknowns will be computed and displayed.

Video Lectures about Robotics
Video lectures and courses from top professors at suchools such as Yale, Stanford, Harvard and MIT about robotics

The Ants: A Community of Microrobots
The Ants are a community of cubic-inch microrobots at the MIT Artificial Intelligence Lab.

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The Borland C++ Compiler 5.5
Free download. Also, free Turbo Debugger

ExpressPCB Layout Software
"The ExpressPCB Windows layout software makes designing PC boards simple for the beginner and efficient for the professional. Its standard Windows user interface uses all the familiar commands such as copy, cut, paste and dragging. Completely free!"

Oscilloscope for Windows
Windows application that converts your PC into a powerful dual-trace oscilloscope. Oscilloscope is free for personal use. Software written by Konstantin Zeldovich.

SMPS Power Supplies
Includes articles about SMPS Design and SMPS Simulation

Five questions about resistors
Five key questions: How much voltage can I put on the resistor? What will be the temperature of the resistor in my circuit? How much surge will the resistor withstand? What makes a resistor fail? How much change in resistance can I expect?

Introductory Digital Systems Tutorial
Practical digital concept and theory for beginners.

XYZ of Oscilloscopes
A Primer

All About Oscilloscopes
Measurement and Terminology

Optimum Coil Design
This inter-active page covers the design for a coil that is switched with a transistor (bipolar, MOSFET, IGBT) and a glossary.

Spectrum Analyzer Tutorial
This site is intended to explain the fundamentals of spectrum analyzers and discuss the latest advances in spectrum analyzer capabilities.

Wireless Devices: How It Works
Easy to read descriptions of various RF technologies including cell phones, radio, TV, pagers and more.

Application Training Guide
Includes Basic Circuit Theory; Basic Semiconductor Theory; Device Cross Section; Mounting Techniques; Typical Applications; Glossary of Acronyms. Sponsored by International Rectifier

The Basic Soldering and Desoldering Guide
How to solder; types of irons; desoldering; troubleshooting. by Alan Winstanley

Sam's Laser FAQ
Safety, Info, Links, Parts, Types, Drive, Construction - A Practical Guide to Lasers for Experimenters and Hobbyists

Power Supply Application Notes
AN01 - How to determine power supply transformer ratings; AN02 - Linear regulated DC power supplies. Sponsored by Power Volt Incorporated.

Don Lancaster's Tech Musings Library
Coverage includes electronic and computer fundamentals

Don Lancaster's Guru's Lair Library
This library shelf is primarily for Don Lancaster printed articles or stories that are not ongoing columns. These typically appeared in Circuit Cellar, Byte, Whole Earth Review, or P.C. Techniques.

How Stuff Works
How Stuff Works is a great place to come to learn about how things work in the world around you. Have you ever wondered how the engine in your car works, or what gears do, or what makes the inside of your refrigerator cold? Then How Stuff Works is the place for you!

Tomi Engdahl's Electronics Info Page
Subjects include: Amateur science experiments, Audio, Barcode technology, Basics, Cabling, Circuits sites, Component markings, Circuit board design and making, Companies, Component dealers, Component information, Component manufacturers, Computers, Computer hardware projects, Data communications, Datasheets, Digital Signal Processing, EMC, File viewing utilities, Frequently Asked Questions, GPS, Hifi, Home automation, IC pinouts, Industry links, Infrared circuits, IR remote control, LAN, Lights, Magazines, Measuring, Microprocessors and microcontrollers, MIDI, Motor control, Music circuits, Networking, Newsgroups, Optoelectronics,Oscillator circuits, PC circuits, PC Hardware, Power supplies, Prototyping, Radio, Remote control, Repair information, Robotics, Safety information, Smartcards, Software for electronics design, Soldering, Standards, Telecards, Telecommunications, Telephones, Usenet newsgroups, Video, Wiring information

Application Training Guide
Includes: Basic Circuit Theory, Basic Semiconductor Theory, Device Cross Section, Mounting Techniques, Typical Applications, Glossary of Acronyms. Sponsored by International Rectifier.

LCD Frequently Asked Questions
Sponsored by the Electrical Engineering Department of the University of Washington

Power Supply Design Tips
Things you won't find in the data books. Sponsored by Ridley Engineering, Inc.

The Lieberary - Henry Lieberman's On-Line Library
Henry Lieberman, a research scientist at the MIT Media Laboratory, has uploaded a large collection [in all, over 200 MB] of his work, with illustrated abstracts of papers, full versions in HTML, RTF, and Postscript, and Quicktime movies of software demonstrations.

FAQs About Electronic Repairs
Includes Samuel M. Goldwasser's "Notes on repair and diagnosis equipment and other Miscellaneous Stuff, CD players and CDROM drives, [computer] Video Monitors, TeleVision (TV) Sets, Video Cassette Recorder (VCR), small SwitchMode Power Supplies (SMPS). microwave ovens, [Hand-held IR] Remote Control, and much more.

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Wireless Design Online
Articles, live chat, discussion forum for the wireless design industry.

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All About Oscilloscopes
Extensive tutorial about oscilloscopes

Bob Blick's Assorted Electronics Projects
Projects include: Servo pulse to PWM converter; H-bridge; Tektronix THS720 screengrab program; Audio Preamp; Mechanically Scanned LED Clock; Convert microwave oven to 2.45GHz CW Amateur Radio transceiver; 7x10 Moving LED Sign; PIC Chip Programmer; Serial cable for Casio digital cameras

Play Hookey
Direct Tutorial Links to Digital Theory and Experiments

Electronic Troubleshooting
An interactive work book.

How Electronics Works
A tutorial guide as to how electronic parts are developed and used in a variety of everyday components.

Ian Purdie's Amateur Radio Tutorial Pages
"Electronics tutorial radio design pages for amateur, ham radio, electronic project enthusiasts as well as for the electronic hobbyist and for home learning to design your own electronic projects"

The 8052 Online Resource
This web site is dedicated exclusively to the 8052 mirocontroller, related products (both hardware and software), and 8052 derivative chips. Includes: Tutorials, Code Library and Message Board. Sponsored by Vault Information Services

Don Lancaster's Pick a Peck of PIC's Library
This library shelf holds tutorials and application notes that you can use to get yourself PIC literate in a big hurry.

Stepper Motors
Includes links to various projects using stepper motors: StoneAge DiskDrive Logo Turtles, Pan-and-Tilt Mount for a Camera, Dan Bruton's Satellite Tracking Device, Mel Bartel's Motorize Your Telescope, Diana Todd's Hand Scanning Automation project, Dan Mathias' Robotic Creations include The P-Bot and The Floppy-Bot, Fran Golden's "Floppy" the Robot (uses the dc motor), Luberth Dijkman's Home build Hobby Plotter/Engraver. Website sponsored by Ian Harries.

Web ProForums
Tutorials that provide working knowledge of key information technology areas in both html and pdf format. These tutorials are written by many manufacturers. This site is sponsored by the International Engineering Consortium

Physics Tutorials
Some of the tutorials included are: Torque and Rotational Motion; DC Circuits; Free-Body Diagrams; Exponent. Growth and Decay; Simple Harmonic Motion. Sponsored by the Department of Physics, University of Guelph.

Control of Stepping Motors, A Tutorial
This tutorial covers the basic principles of stepping motors and stepping motor control systems, including both the physics of the motor, the electronics of the basic control systems, and software architectures appropriate for motor control. Written by Douglas W. Jones University of Iowa Department of Computer Science

Two Tutorials Sponsored by LeCroy Corporation
Available: Advanced Waveform Creation Made Easy and Fundamentals of Digital Storage Oscilloscopes.

Control of Stepping Motors, A Tutorial
This tutorial covers the basic principles of stepping motors and stepping motor control systems, including both the physics of the motor, the electronics of the basic control systems, and software architectures appropriate for motor control.

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