  |
Electronic Circuits Directory - http://www.next.gr/
A collection of electronic schematics and projects, index of tutorials and design software. |
| |
Circuits Archive - http://www.ee.washington.edu/circuit_archive/
ASCII circuit diagrams, radio, audio and computer related circuits; data sheets. |
| |
WeMan's Electro Stuff - http://margo.student.utwente.nl/el/
Audio tubes, transistors, analog circuits, transistor amplifiers as well as connector pinouts. |
| |
Bowden's Hobby Circuits - http://ourworld.compuserve.com/homepages/Bill_Bowden/
A collection of electronic circuits for the hobbyist or student, links to related sites, commercial kits and projects, newsgroups and educational areas. |
| |
Electronic Design- Ideas for Design - http://www.elecdesign.com/Departments/DepartmentID/2/2.html
A circuit archive from Electronic Design magazine. |
| |
Synthesizer Home Page - http://seti.harvard.edu/synth/index.html
How to make a very nice and stable frequency synthesizer from Harvard. Includes schematics, block diagrams and parts lists. Very through design. |
| |
EDN Archives - http://www.edn.com/archive
Online magazine articles consist of information about circuits, software programs, listings and helpful tips. |
| |
Delabs Electronic Schematic Diagrams - http://www.delabs-circuits.com/
Electronic circuit archive, FAQ, freeware, resources directory. |
| |
Electronics and Electrical Engineering Resource - http://www.electronics-ee.com
Electronics theory, books, construction projects, tips, and practical advice. |
| |
Building Gadgets - http://buildinggadgets.com/
A collection of electronics projects, circuits, datasheets, and helpful articles from the authors of "Electronics Projects For Dummies". |
| |
Discover Circuits - http://discovercircuits.com/
A collections of categorized and cross-referenced electronic circuits or schematics. |
| |
Electronics Zone - http://www.electronic-circuits-diagrams.com/
Electronic circuits, kits, do-it-yourself, circuit diagrams, design and electronics hobby schematics from alarms to test circuits. |
| |
Electronics Circuit Search Engine - http://circuitscout.com/
A search engine for electronics circuits. |
| |
Electronic Circuits for the Hobbyist - http://www.uoguelph.ca/~antoon/
Electronics projects, schematics, and tutorials: high voltage, radio control, timers, oscillators, RF transmitters, amplifiers and other. |
| |
Sam's Schematic Collection - http://repairfaq.ece.drexel.edu/sam/samschem.htm
Includes information about safety, power supplies, Jacobs Ladders, circuits, IR detectors, power oscillators, and schematics. |
| |
Sam Electronic Circuits - http://users.otenet.gr/~athsam
Electronic Circuits for the hobbyist, analog, audio and digital, useful circuits with full Greek descriptions , diagrams in Greek and English. |
| |
Electronics Infoline - http://www.electronicsinfoline.com/
Search engine and categorically organized circuits in a directory. |
| |
Electronic Circuits - http://www.aaroncake.net/circuits/index.asp
An archive of electronic circuits divided into categories such as power supplies, auto, computer circuits, sound/radio. |
| |
Music Electronics µArchive - http://audible.transient.net/archive/
An archive of tube and transistor amplifiers and information, mostly for music applications. |
| |
Closed Caption Decoder - http://www.brouhaha.com/~eric/pic/caption.html
A simple closed caption decoder for your TV. Schematic, BOM, theory of operation. |
| |
Techlib.com Electronics - http://www.techlib.com/electronics/index.html
Audio, PC, games, phone, oscillator, power, test equipment, and weather related schematics and information. |
| |
Your Electronics Open Source - http://dev.emcelettronica.com/
Electronic projects, firmware, circuit board, reference designs, datasheet, application notes. |
| |
Home Brew Spectrum Analyzer - http://www.nitehawk.com/rasmit/sa50.html
How to make a spectrum analyzer with tips and advice on component selection and architecture. A large number of circuit ideas and schematics, with sources and construction tips. |
| |
Electro Tech Electronic Projects - http://www.electro-tech-online.com/
An electronic forum. Includes a collection of small electronic circuits. |
| |
Hobby Circuits - http://www.imagineeringezine.com/e-zine/hcircuits.html
A large collection of simple electronic circuits for hobbyists from Imagineering On-line Magazine. |
| |
Wenzel Associates Technical Library - http://www.wenzel.com/documents/library.html
Time, oscillation and frequency circuits, articles, and tutorials. |
| |
Electronics Lab - http://electronics-lab.com/
Electronic circuits with full description, diagrams and PCB, electronics articles, links and downloads. |
| |
CircuitDB - http://www.circuitdb.com/
A searchable database of schematics and electronic circuit designs such as alarms, audio/video, auto, etc. |
| |
Tjaco's design graveyard - http://www.geocities.com/tjacodesign/index.html
Various electronic schematics including audio, switches, valve amplifiers, and high voltage/power applications. |
| |
Television Schematics - http://schematy.tripod.com/
Television schematics for electronic specialists who repair TV sets. |
| |
Butterworth Low-Pass Filter - http://www.ece.uic.edu/~jmorisak/blpf.html
Design of a 5th order Butterworth LP filter using Sallen-Key circuit design. |
| |
Electronic Info and Schematic Page - http://www.schematicsforfree.com/
Technical references and schematics archive: alarm, audio, auto, etc. |
| |
Ronald´s Electronic Project Site - http://www.dos4ever.com/
Fully documented electronic projects, such as stand alone microcontroller circuits and nixie, numitron and decatron clocks. |
| |
The Electronic Peasant - http://www.electronicpeasant.com/
Dedicated to inexpensive Do-It-Yourself music electronics, electronic salvage/recycling, and alternative energy projects. |
| |
Computer Circuits 200 A - http://learnat.sait.ab.ca/ict/cmph200/
A web-based course on designing and troubleshooting digital systems, primarily microcomputer based. Covers basic digital logic circuits. |
| |
CoolCircuit - http://www.coolcircuit.com/
Electronic circuits, projects, schematics, and software for hobbyists. |
| |
Free Electronics Schematics Diagrams - http://www.schematics.ca
Electronics diagrams: pro music equipment, vintage tube amplifiers and other; chat room. |
| |
Electronic Transmitter Guide - http://fmtvguide.blogspot.com/
Information on AM, FM, and TV transmitters. |
| |
Tomi Engdahl's Electronics Pages - http://www.epanorama.net/circuits/
Electronic circuits and projects designed by Tomi Engdahl. Audio, video, computer, data communication, light effects and controllers, power supplies, and telephone circuits. |
| |
The Broadcast Hardware - http://broadcasthardware.blogspot.com/
Broadcast Hardware Technical Resources |
| |
Electronic Diy Schematics - http://electroschematics.com/
Electronic schematics: audio amplifiers, radio transmitters, power supplies, oscillators and antennas. |
| |
WhatCircuits.com - http://www.whatcircuits.com/
Electronic circuits and electronic projects: audio, automotive, power and other. |
| |
Electronics Circuit Forum - http://www.electronics-circuits.net/
Electronic circuits and projects with description, diagrams and PCB, electronics articles. |
| |
Electronic Circuit Diagrams - http://www.circuit-diagrams.com/
Schematics with descriptions and do-it-yourself electronic projects for hobbyists. |
| |
Electronics Hobbyist - http://www.eskimo.com/~billb/amateur/elehob.html
Projects for beginners, articles on electronics and electrical science, Tesla coils, electrostatic devices, and resource links for the hobbyist and educator. |