Index
Electronics circuit sites
- Audio circuits Rate this link
- Computer hardware circuits Rate this link
- Data communication circuits Rate this link
- Electrical motor controlling circuits Rate this link
- Electronics circuit designs by Tomi Engdahl Rate this link
- IR remote control circuits Rate this link
- Light controlling electronics Rate this link
- Music circuits Rate this link
- Oscillator circuits Rate this link
- Power supply circuits Rate this link
- PC related electronics circuits Rate this link
- Telephone circuits Rate this link
- Video circuits Rate this link
- Simple applications of neon glow lamps - main voltage monitor, telephone ring monitor, earth checker, AC outlet tester Rate this link
Electronics circuit project and link collections in this site
- Bebek Kytkent?kaaviot Rate this link
- Effectronics - The site for do-it-yourself guitar electronic effects building Rate this link
- Homebrew RF Test Equipment and Software - several projects which will allow you to build your own RF design test equipment Rate this link
- Electr?nica2000 - Electronics circuits in Spanish Rate this link
- 2304 Tech List - Many radio atenna building project documents on-line. Pages have also many radio equipment plans on-line. Rate this link
- 4QD Electronics Circuits Reference Archive - 4QD's pages of interesting circuits with wide selection of small circuits useful as building blocks for electronic systems Rate this link
- Aaron's Electronic Circuits - light, laser, sound, radio, PSU, car Rate this link
- Alfred73 Electronics - SMT Desoldering Station, Infrared Receiver, line in use, VGA to TV, power supply Rate this link
- Amateurfunk-Seiten von Manfred, DL7AWL - amateur radio electronics project in German Rate this link
- Amateur Radio Construction Projects Rate this link
- Ampage - guitar effects and music electronics Rate this link
- AMZ Projects - audio effects circuits, mixer Rate this link
- Analog Devices Audio/Video Products Application Notes Rate this link
- Analog Devices Virtual Design Center - information and circuits on A/D-converters, D/A-converters, accelerometers, DSP, analof audio, digital audio, measurements, communication, motor control, signal processing, oscillators, amplifiers, RF, temperature and signal conversion, interactive design tools Rate this link
- Analog Innovations S.E.D Postings & Schematics Rate this link
- Analog Innovations Subcircuits & PSpice Symbols Rate this link
- Analog Music Zone Guitar Effects Schematics - guitar effects, compressors, microphones and effects Rate this link
- Andrew Buckin Projects - VGA generator, SVGA generator, IDE2LPT, CPLD projects Rate this link
- Antenna Scope, Attenuators,RF Probe, MORE! Rate this link
- Applications of neon glow lamps - some applications of neon glow lamps Rate this link
- Audio Electronics Page - amplifiers, preamplifiers, power supplies Rate this link
- Batronix.com - electronic circuits, information, software and datasheets to download for electronics hobbyists, programmers for EPROMs and microcontrollers Rate this link
- Batronix.com Electronics Circuits and Layouts Library Rate this link
- Bebek Electronics Kits - tghis describes electronics kits for various applications, circuit diagram for most can be found on the kit pages, this site is in Finnish but most circuits can be understood by viewing just pictures, some circuit diagrams have text in English Rate this link
- Beyond Logic - PC interfacing projects Rate this link
- Bob Blick's Projects for Students and Hobbyists Rate this link
- Bowden's Hobby Circuits - collection of electronic circuits for the hobbyist or student Rate this link
- Brainstorming page - electronics hobby circuits, page is in German but you can try to access it using Rate this link
- Circuit Exchange International - schematics on radio and electronics, circuit analysis, circuit theory and electronic design Rate this link
- Circuits from Forrest Cook - NiCD charger, radio, audio, microprocessor Rate this link
- Circuits for the Hobbyist - many quite simple circuits Rate this link
- Circuit Lab - lots of different circuits from Rate this link
- Circuits Online - Dutch electronics site with circuits, forum, datasheets, links, downloads, articles, info, newsletter, etc. Rate this link
- Clube Chip Electronics - Brazilian elecrtronics clup web page, with many circuits, symbols, downloads, etc... Rate this link
- CyberCircuit Circuit Archive - many different circuit ideas Rate this link
- CXI Schematics - alarm, security, control, interfacing, music effects, radio, power supplies, switching, test gear Rate this link
- Delabs Electronics Circuits - over 100 circuits instrumentation in many formats Rate this link
- Delabs electronic circuits archive - over 120 circuits of industrial electronics or instrumentation Rate this link
- Delabs Electronic Circuits - over 120 circuits of industrial electronics or instrumentation in orcad-pdf format Rate this link
- DIBs Circats - Schematics of simple circuits in GIF and PDF format: audio circuits, power supply, logic and microprocessor Rate this link
- Die Xedox Elektronikseiten - some electronics project, text in German Rate this link
- Discover Circuits - a collection of schematics quick solutions for electronic engineering problems Rate this link
- DIY Audio - many audio circuits, description in Finnish Rate this link
- DIY Audio Amplifier Page - audio power amplifiers Rate this link
- eCircuit Center - A free source of SPICE circuit files and tutorials for the hands-on learning of electronic circuits. Circuits you can design, test and modify using the SPICE simulator: Opamps, filters, sensors, PID controllers, etc. Rate this link
- EDN Archives - contains past issues of EDN magazies which contain design ideas and other circuits Rate this link
- EDN's Design Ideas Archives - circuit archive which you can access with search engine Rate this link
- Effect Rack Unit - contains very many guitar effect unit circuit diagrams Rate this link
- Effectronics Schematics - audio processing and effect circuits Rate this link
- ELEC.de - large circuit page, text in German, you can use Rate this link
- Electrical/Electronics Project Designer's Page - Electrical and Electronical Applications prepared by using Assembler Programming Language. Motor Control,Serial Communications,Temperature Control,Basic Assembler Applications,I/O Ports Design,Timer and ADC. Rate this link
- Electronic Circuits at www.electronic2002.8k.com - very large selection of circuits Rate this link
- Electronic Gaggets for Radio Control - tutorials, circuits and datasheets Rate this link
- Electronics Lab - electronic projects with full schematic, diagrams and PCB, electronics articles, links, downloads, recommended electronics books and an online electronics community Rate this link
- Electronics Lab Projects - electronic projects with full schematic, diagrams and PCB Rate this link
- Electronics tutorial radio design site - VK2TIP Ian Purdie's 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. Rate this link
- Electronics 2000 Circuit Lab - many different electronics circuits on two alternative laguages Rate this link
- Electronics and schematics - some PC parallel port and RC servo circuits Rate this link
- electronicsforu.com Circuit Lab Rate this link
- Electronics Infoline - electronics circuits portal Rate this link
- Elecronics Projects for R/C Rate this link
- Electric Model Aircraft Circuit Diagrams Rate this link
- Electronic Circuit Beans Collection - small circuit useful as building blocks, oscillators, power supplies Rate this link
- Electronic-Circuits for Model-Aircrafts - contains also some microcontroller projects Rate this link
- Electronic Cookbook Archive - place for electronics enthisiasts to share circuit ideas with others Rate this link
- Electronicfun.4t.com - collections of circuit from the net Rate this link
- Electronic Projects for R/C Planes - chargers, plane locator buzzer, battery alarm, battery discharger Rate this link
- Electronic Projects Online - contains 25 of the most popular magazine projects designed by Paul Stenning for various electronics magazines between 1993 and 1997 Rate this link
- ElectronicsInfoline.com Rate this link
- Electronics and Radio Section - radio, tube audio, tesla, software Rate this link
- Electronics circuit designed by Tomi Engdahl - audio, video, computers, telephone, light effects, measuring, power supplies, electronics documents Rate this link
- Electronics circuits / do-it-yourself homepage - this site contains thousands of electronics circuits & do-it-yourself circuits relating to a wide range of categories like audio,music,home/garden related,computer hardware,radio,robotics etc. Rate this link
- Electronic Circuits for the Hobbyist - simple circuits, radio, flasher, amplifier Rate this link
- Electronics for You Circuit Lab - circuits and short articles describing them Rate this link
- Electronic Circuits for the Hobbyist - lots of different simple circuits for different applications Rate this link
- Electrical circuits for model railroad hobbyists - light flashers, constant light, power supplies Rate this link
- Electronic Cookbook Archive - very good electronics circuit archive, also available using Rate this link
- Electrical Engineering Circuits Archive - lots of small circuits, ideas and datasheets Rate this link
- Electronics Gadgets for Radio Control Rate this link
- Electro Tech Projects - simple projects like transmitters, lie detector, battery charger, DTMF, flashers, strobe and TV remote blocker Rate this link
- Elektroniikan harjoitust?it? - simple electronics circuits, instructions in Finnish Rate this link
- ElectronicsZone - tons of free electronic circuits arranged into different categories Rate this link
- Electronics Zone - This site contains lots of circuit diagrams & 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. Rate this link
- Electromania - italian site on electronics Rate this link
- Electronics Zone - Electronic circuits, kits, do-it-yourself, circuit diagrams and electronics hobby schematics homepage Rate this link
- Electro Tech Online Projects - online forum and circuit diagram collection Rate this link
- Elektronet.prv.pls - Circuit description in Polish, but schematics readable. Rate this link
- Elektronet.prv.pl Audio Circuits - Many audio circuits. Circuit description in Polish, but schematics readable. Rate this link
- Elliott Sound Products Audio Design and Information Pages Rate this link
- Elliott Sound Products Audio Project Pages Rate this link
- Erlich Industrial Development Corporation Electronics Kits - wide variety of electronics kits, circuit diagrams of many kits available on-line Rate this link
- ESP Audio Projects - power amplifiers, power supplies, crossovers, miscial instrument circuits, mixers, Rate this link
- FC's Electronic Circuits - solar power circuits, FM broadcasting, NiCd charger and other circuits Rate this link
- EPROJE - electronics projects in Turkish language Rate this link
- FC's Solar Circuits Rate this link
- FlashWebHost.com Hobby Circuits - amateur radio circuits Rate this link
- Freeinfosociety Schematics Archive - over 200 electronics circuits archived to this site Rate this link
- GBPPR Projects - This page has many radio communications related projects. Rate this link
- GEO's Effects Projects and Tech Tips - This page has many audio effect circuits. Rate this link
- George Krilov audio schematics page - page is about transistor audio power amplifiers, contains articles about power amplifiers shematics, design, construction and SPICE simulation, page is partially in English and partially in Russian Rate this link
- GEO's Effect Schematics - collection of vintage and new-design effects and musical related DIY Rate this link
- Glolab Free Schematic Diagrams - wireless circuits, motion detector, encoder, decoder, PIR, RF, telephone, video Rate this link
- Gonz Projects - power supplies, automation, signal generators, frequency meter, text in French Rate this link
- Guitar Effects Boxes - guitar effect schematics and articles Rate this link
- Guitar Effects Schematics Rate this link
- Guitar-related Circuits - effect circuit collection Rate this link
- HAM radio circuits at nic.funet.fi - some circuit for radio amateurs Rate this link
- HeadWize Projects - many headphone amplifiers and related circuits Rate this link
- Hobby Projects to Build - metal detector, speaker microphone, watt meter, etc. many different circuits Rate this link
- Electronic projects by Roberto Barrios - HAM radio programming cables, Luxman I Bus Interface, SPDIF adapter, serial port power booster, radio interface box Rate this link
- Electronics Hobby Projects - Circuit Diagram provided on this page is for personal & Amateur purpose Rate this link
- Ideaport - electronics circuit for school projects, text in Finnish Rate this link
- IECMaster Circuits - Circuits for audio, music, power supply, RF, video, telephone, measurement and alarm applications. Rate this link
- Imagineering On-Line Magazine Hobby Circuits - wide variety of circuits, tens of circuits Rate this link
- Jap's electronic projects and links - PIC prorjects, intercom, radio Rate this link
- JF1OZL QRP Hand Made Radio - very many amateur radio links Rate this link
- Kelly Kohls, N5TLE Homepage - DMX 512 Light control circuits Rate this link
- Kobra Electronic Free Schematic Page - 300 free circuit diagrams Rate this link
- Laurier's Handy Dandy Little Circuits - site for electronic hobbyists, includes all kins of small electronics hobby circuits Rate this link
- Laurier's Handy Dandy Little Circuit Projects - site for electronic hobbyists, includes all kins of small electronics hobby circuits Rate this link
- Library of circuits - This library currently contains 285 circuits in 15 categories. Each circuit comes complete with a list of parts, and a datasheet for each IC, Diode, and Transistor (as available). Rate this link
- Lighthouse Electric DIY Projects Directory - This page contains circuit diagrams from audio circuits to power supplies Rate this link
- Lista rakennussarjoista - many electronics kit projects in Finnish Rate this link
- PI Engineering - Y-mouse devices that allow multiple peripherals to operate from a single port; monitor splitters, keyboard splitter, mouse splitters, PS/2 to USB adapters for barcode reader/scanners and other PS/2 devices, custom keyboards, programmed IC chip sets, component boards Rate this link
- PI Engineering - Y-mouse devices that allow multiple peripherals to operate from a single port; monitor splitters, keyboard splitter, mouse splitters, PS/2 to USB adapters for barcode reader/scanners and other PS/2 devices, custom keyboards, programmed IC chip sets, component boards Rate this link
- Maxwell electronica - Electronic circuits and tutorials in Spanish. Rate this link
- Microchip Application Notes Rate this link
- Microchip Net resources - PIC project link list Rate this link
- MicroPlans - Microcontroller projects(in spanish): dimmer, thermometer, speedometer, tachometer, temperature log, intelligent radio bacon, etc. Rate this link
- Micro Power FM Broadcasting Circuits Rate this link
- Model Railroad Electronic Circuit List - Many simple electronics circuits not show in a schematic drawing but using simple wiring drawings. Rate this link
- Music Electronics ?Archive - music circuits and audio electronics information Rate this link
- Music Machines do-it-yourself/schematics - music electronics circuits and electronic musical instruments Rate this link
- Mycal's Micro Radio Page - radio transmitters, antennas and amplifiers Rate this link
- Nathan's Audio And Electronic Webpage - audio circuits Rate this link
- Nick's Circuits collection - infrared, telephone, sound, smartcard, filters Rate this link
- North Country Radio Poptronics Columns - Circuit articles on power suppliers, opamps, antennas, stepper motors, crystal oscillators, timers and modulation Rate this link
- North Country Radio Kit Schematics - schematics for some of some radio kits Rate this link
- North Country Radio Published Mazine Article Downloads - These published magazine articles describe many of the kits originally designed, published, and offered for sale by North Country Radio, and will be found helpful to those needing more information about our current kits. Rate this link
- Olec Electronics & Computer Club Hobby Electronics Circuits & Ideas Rate this link
- Ozitronics Audio Amplifiers & Voice Recorders - kit catalogue which includes full circuit diagrams Rate this link
- Packet BBS NL3ASD Amsterdam Schematics - schematic section contains lots of HAM related circuits Rate this link
- PC Elektroniikkaa - Simple circuits which connect to PC and PC port information. Text in this site is in Finnish. Rate this link
- Pedro and Patrick world of Hobby Electronics Rate this link
- Per-Anders Sj?str?m's hifi pages hifi projects - LM3886 power amp, rectifier bridge, phono amp, power supply, headphone amp, digital/analog converter Rate this link
- Peter Parker's Project Page - A collection of homebrew projects for the amateur radio enthusiast. A few projects include full constructional articles, but most have just schematic diagrams and a few notes. Rate this link
- PI6ATV software and circuits - amateur TV related circuits and software, radio, video Rate this link
- PIC / Ubicom Dev'rs - communication circuits using PIC, encryption, interfacing, Internet applications using PIC and many other PIC circuit Rate this link
- Pro Audio Equipment Schematics Page - Alan Garren's excellent listing of vintage gear schematics including API, UREI, Altec, RCA and more Rate this link
- Programmers Heaven Amiga Hacks and Projects - Amiga circuits Rate this link
- Prolectron Electronics Schematics - electret microphone circuits, opamp circuits and simple transistor circuits Rate this link
- Radio Frequency Circuits Rate this link
- RadioLockman database of circuit's links Rate this link
- RED Free Circuit Design - amplifiers, measuring equipments, health circuits, hobby model circuits, music circuits Rate this link
- Richard Steven Walz's Electronics Circuits FTP site - over 900 electronics ascii files Rate this link
- Robin Tomtlund-The Electronic Page - guitar effect circuits Rate this link
- Rollins World Wide Web Circuits - simple electrical circuits for beginners Rate this link
- S51KQ hardware & software - ATV, antenna, video circuits, PLL, LANC, DV, paging, FM broadcasting Rate this link
- Sam Electronic Circuits - Electronic Circuits for the Hobbyist. Audio and digital, useful circuits with full description and diagrams. Text in English and Greek. Rate this link
- Sam's Schematic Collection - various schematics and diagrams Rate this link
- Schematics Depot at Reconn's World - power electronics, audio, IR, ultrasonics, transmitters, telephone, LED Rate this link
- Schematics FM transmitters - collection of FM transmitter circuits Rate this link
- SDS Labs Schematics - hifi circuits, tube amplifiers, audio DACs Rate this link
- Simple test equipment to build - field strength meter, crystal tester and capacitance meter Rate this link
- Snock's High Voltage Page - detailed explanation on flyback, ignition coil circuits and pictures of various transformers Rate this link
- SP-Elektroniikka Audiokytkent?j? - audio circuits, text in Finnish, circuit board design available for most of projects Rate this link
- SP-Elektroniikka RF + Infrapuna + video kytkent?j? - circuits for RF, IR and video, text in Finnish, circuit board design available for many projects Rate this link
- SP-Elektronikka Sekalaiset kytkenn?t mm. moottorinohjaimet, vilkut, viiveet ym. ym - circuits for motor controlling, light flashing, delay and other misc applications, text in Finnish, circuit board design available for many projects Rate this link
- Stefan's Electric R/C Web Site - This site is a source of information, projects, and software related to electric powered radio controlled model aircraft. Rate this link
- Stinger Web Elektroniikka - electronics information and circuits in Finnish Rate this link
- Synthfool Schematics, Service and owners manuals - many musical instrument and effect circuit diagrams Rate this link
- Switching Circuits - collection of switching circuits for temperature, light level and button controlled switching Rate this link
- Technick.net Circuits Collection - infra red, telephone, sound, smartcard, PIC, power supply, filters Rate this link
- The Electric Wave Circuits 1 - selection of various hobby circuits like flashers, oscillators, power monitor and electric field detector Rate this link
- The Electric Wave Circuits 2 - selection of various hobby circuits like noise generator, loop aerial, zero crossing AC switch oscillator, high voltage generator, geomagnetic detector, infrared transmitter and receiver Rate this link
- The Electronic Resource - IO interfacing via ISA card or parallel port, single board computers, robotics Rate this link
- The Free Information Society - : A useful and interesting science and engineering website with a large circuit schematics archive (almost 200 circuits). Rate this link
- The GEO-Fex collection of vintage and new-design effects and musical related DIY Rate this link
- The Guitar Effects Oriented Web Page - FAQs and circuit diagrams Rate this link
- Things to make and do by Clive Mitchell - electrical experiments and electronics circuits Rate this link
- Tjaco's design graveyard - HIFI, EPROM, IR remote, tesla coil, high voltage, telephone, dimmer, timer Rate this link
- Tronnort Technology Electronics Projects - video, storage oscilloscope, frequency counter, logic analyzer, EPROM programmers, RS.485 multiplexer Rate this link
- VK2TIP Ian Purdie's radio design tutorial pages - for amateur, ham radio, electronic project enthusiasts as well as the electronic hobbyist Rate this link
- Techmind.org - Techmind.org a site devoted to sharing my enthusiasm and knowledge of various aspects of science and technology. This site has circuits and projects on using soundcard as measurement device, homebrew video hardware, ADC, RS-232 and science experiments. Rate this link
- Tomaz's Schematics Collection Rate this link
- Vintage Radio Repair and Restoration Projects - valve radio power supply, audio output meter, capacitor reformer, series lamp limiter, RF signal generator Rate this link
- WebEE Schematics Page - large collection of circuits, mirrored to www.epanorama.net from Rate this link
- WE-MAN's Electro stuff - many circuits and documents Rate this link
- Wenzel Associates Technical Library - application notes and circuits Rate this link
- Wonderful world of electronics - Here you can find info on some circuit diagrams and building suggestions for them. Rate this link
- World Of Electronics - electronics projects in German, electronics display projects Rate this link
- Freeinfosociety Projects Rate this link
- TPS Old Valve Radio Receiver Set Circuit Collection - All Radio Receiver sets in this collection are AM band (medium wave, short wave) old valve type Rate this link
- Elektronika Wirtualna - lots of electronics circuits and information in Polish language Rate this link
- Lighthouse Electronics Circuits Archive Rate this link
- Lighthouse Electronics Tiny Electronic Circuits - Collection of practical and fun to build small electronic circuit. These circuits contain 1 to 4 transistors and few other componets. Rate this link
- Electronic Ventures - radio related electronics projects Rate this link
- Electronic Hobby Kits - a site that sells electronics kits, many kits have good documentation on-line, including schematics of the circuits Rate this link
- Electronic Circuit "Beans" Collection - some of the electronic circuits which has the specific function selected based on "practicality" and/or "it is fun" Rate this link
- Shaun's Basic Stamp II Projects - this web page descrubes many projects built using Basic Stamp II microcontroller Rate this link
- CXI Schematics - more than 150 circuits in many categories Rate this link
- CXI Schematics Index - more than 150 circuits in many categories Rate this link
- Audiotransformers.net Tek-Notes - Circuits and information for the audio/sound field Rate this link
- Pedro's Projects - radio, audio, high voltage, power supply, pulse generator, digital counter Rate this link
- Radio Electronic Circuit Schematics Rate this link
- The Free Information Society Projects - zapper, 68HC11, tesla coil, and many other Rate this link
- Batronix Circuits and Layouts - eprom and microcontroller programmers Rate this link
- Crystal Radio Set Systems: Design, Measurement and Improvement - some early Blonder-Tongue Products to look at Electronic design by co-founder (now retired) Ben H. Tongue Rate this link
- Electronic Gadgets for Radio Control by VA3AVR Rate this link
- The GEO-Fex collection of vintage and new-design effects and musical related DIY Rate this link
Electronics circuit sites
Note on using the circuits on the sites: There is no guarantee that the circuits in the following sites are entirely correct or working. Be sure you understand completely their posted information before you buy any parts. Most of the circuits seem to be good ones, but there are circuit diagrams with errors or essential information missing. You can browse the circuits sites listed below to find lots of interresting circuits. If you are interrested in quicly browsing for a specific circuit, you can use circuit sites search engine to search for the circuits listed in those sites.
Circuit site search
This circuits sites search engine tries to index the circuits in those sites so you can search the contes of circuit sites listed below (it has most of the circuits from those sites in database, but not all of them because some sites are not automatically indexable).
Circuit site list
Other useful links
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