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▪ For a musician
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▪ Grounding and neutral grounding
▪ Halogen lamps
▪ High-frequency power amplifiers
▪ Home, garden, farmland, hobbies
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▪ Infra-red equipment
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▪ Measuring equipment
▪ Medicine
▪ Microcontrollers
▪ Microphones, wireless microphones
▪ Miscellaneous
▪ Miscellaneous
▪ Mobile communication
▪ Portable radio stations
▪ Power amplifiers
▪ Power controllers, thermometers, thermostabilizers
▪ Power supply units
▪ Preamplifiers
▪ QRP equipment
▪ Radiation indicators
▪ Radio amateur computation
▪ Radio amateur technologies
▪ Radio control
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▪ Reference materials
▪ Security
▪ Security and alarm system using mobile communication
▪ Security devices and alarm systems
▪ Sound systems
▪ Sound-to-light units
▪ Telephony
▪ Television
▪ Transmitters
▪ Transverters
▪ Upgrade of radio stations
▪ Use of microcircuit chips
▪ Various electronic devices
▪ Voltage stabilizers
▪ Voltage transducers, rectifiers, inverters
▪ Welding equipment
Useful articles and background materials:
▪ Art of audio
▪ Art of video
▪ Batteries and rechargeable batteries
▪ Big encyclopedia for children and adults
▪ Biographies of great scientists
▪ Children's scientific lab
▪ Entertaining experiments in chemistry
▪ Entertaining experiments in physics
▪ For builders and handymans
▪ For lovers of travel. Tips for tourists
▪ Fundamentals of health and safety
▪ Fundamentals of medical first aid
▪ History of engineering, technology, objects around us
▪ Home workshop
▪ Industrial technology at home - simple recipes
▪ Labor protection
▪ Lecture notes, cheat sheets
▪ Life of great physicists
▪ Miracles of nature. A fascinating journey around the globe
▪ Spectacular tricks and their solutions
▪ Spyware
▪ Personal transport: land, water, air
▪ Riddles, puzzles, trick questions
▪ Scale modeling
▪ The most important scientific discoveries
▪ Tools and mechanisms for agriculture
▪ Typical labor protection instructions (Job descriptions)
▪ Visual illusions
Free magazines:
▪ A Radio. Prakticka Elektronika magazine
▪ Amaterske Radio magazine
▪ Circuit Cellar magazine
▪ Electronique et Loisirs magazine
▪ Electronique Pratique magazine
▪ Elektor Electronics magazine
▪ Elektronika dla Wszystkich magazine
▪ Elektronika Praktyczna magazine
▪ Everyday Practical Electronics magazine
▪ Evil Genius magazine
▪ Funkamateur magazine
▪ Nuts And Volts magazine
▪ QEX magazine
▪ QST magazine
▪ Radiotechnika Evkonyve magazine
▪ Servo magazine
▪ Stereophile magazine
▪ Радио Телевизия Електроника magazine
Free audio, video, tvs schematic diagrams and service manuals:
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Free electric tools schematic diagrams and service manuals:
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Free reference books:
▪ Collection of dumps
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▪ Horizontal-output transformers by HR company
▪ Horizontal-output transformers by Konig company
▪ Integrated circuits, microcontrollers and transistors
▪ Mechanisms of audio and video equipment
▪ Radio components by Atmel
▪ Radio components by Cirrus Logic
▪ Radio components by Maxim
▪ Radio components by Microchip
▪ Radio components by Mitsubishi
▪ Radio components by Motorola
▪ Radio components by National Semiconductor
▪ Radio components by Panasonic
▪ Radio components by Philips
▪ Radio components by Rohm
▪ Radio components by Samsung
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▪ Remote controls for TV sets and monoblocks
News of science and technology
Handbook
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Feedback
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Schematic diagrams to order:
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Free online library on
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Everything to repair electronics and household appliances Technical documentation for amateurs and professionals
On April 17, 2021
there are
150,000 articles in the database of "DIAGRAM"
FREE ONLINE LIBRARY ON ELECTRONICS
In our Free online library on electronics you can download many schematic diagrams and
service manuals (10,000 models), reference books (50 books),
interesting books and magazines on electronics, radio, computers and robotics (20,000
issues), articles (more than 10,000 articles). Registration not required.
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Elektronika dla Wszystkich magazine, digital archive
Collection of schematic diagrams and service manuals for Eastcom mobile phones
Collection of schematic diagrams and service manuals for Hansa household appliances
Big archive of articles: For an electrician. Household appliances

Detailed descriptions of articles:
You need an article from a technical magazine? Search through our archive of technical magazine articles.
You can easily find out which magazine (year and issue are indicated) contains the article you are interested in. The issue containing the article can be downloaded from our Free online library on electronics. There you can find a lot of interesting and useful information. Registration is not required.
The search is performed in the database of over 10,000 articles from popular magazines such as Circuit Cellar magazine, Elektor Electronics magazine, Nuts And Volts magazine.
Enter the title of the article or a part of it. For instance, "amplifier", "lighting" or "power supply".
Examples of complete article titles: "Become a Wiz with Wireless Ethernet Devices"; "Pulse Generation. Encoder Interfacing to Microcontrollers"; "UltiProp Clock (1). Time & date floating in the air".
FREE ENCYCLOPEDIA OF ELECTRONICS AND ELECTRICAL ENGINEERING
For automatic translation of articles into your native language, please use TRANSLATE IT! form in the top left corner of the page.
More than 10,000 articles:

- Alternative energy sources
- Antennas
- Antenna amplifiers
- Antennas. HF antennas
- Antennas. Metering, adjustment, matching
- Antennas. Technology
- Antennas. Television antennas
- Antennas. Theory
- Antennas. VHF-UHF antennas
- Assemblies of amateur radio equipment
- Assemblies of amateur radio equipment. Crystal filters
- Assemblies of amateur radio equipment. Filters and matching devices
- Assemblies of amateur radio equipment. Miscellaneous
- Assemblies of amateur radio equipment. Modulators
- Assemblies of amateur radio equipment. Oscillators, heterodynes
- Assemblies of amateur radio equipment. Signal limiters, compressors
- Assemblies of amateur radio equipment. Mixers, frequency converters
- Audio equipment
- Audio-fidelity and speaker volume controls
- Ballasts of fluorescent lamps
- Car
- Car. Batteries, chargers
- Car. Car electric circuits
- Car. Electronic devices
- Car. Electronic fuel injection
- Car. Ignition
- Car. Security and alarm systems
- Car. Speedometers and tachometers
- Citizens' Band radio
- Citizens' Band radio. Miscellaneous
- Citizens' Band radio. Portable radio stations
- Citizens' Band radio. QRP equipment
- Citizens' Band radio. Radio stations, transceivers
- Citizens' Band radio. Transmitters
- Citizens' Band radio. Transverters
- Citizens' Band radio. Upgrade of radio stations
- Computers
- Computer devices
- Computer interfaces
- Computer moding
- Computers. Miscellaneous
- Computers. Using CAD programs
- Consumer electronics
- Consumer electronics. Bells and audio simulators
- Consumer electronics. Clocks, timers, relays, load commutators
- Consumer electronics. Home, garden, farmland, hobbies
- Consumer electronics. Indicators, detecting devices, metal detectors
- Consumer electronics. Miscellaneous
- Consumer electronics. Power controllers, thermometers, thermostabilizers
- Data communication
- Digital equipment
- Electric motors
- Electric power supply
- Electric power supply. Chargers, accumulators, galvanic cells
- Electric power supply. Current controllers, voltage and power regulators
- Electric power supply. Equipment protection from emergency operation, uninterrupted power supply units
- Electric power supply. Miscellaneous
- Electric power supply. Power supply units
- Electric power supply. Voltage stabilizers
- Electric power supply. Voltage transducers, rectifiers, inverters
- Field intensity detectors
- Fluorescent lamps
- For a musician
- For an electrician
- For an electrician. Electric installation work
- For an electrician. Electric meters
- For an electrician. Electrical safety, fire safety
- For an electrician. Electrician's reference book
- For an electrician. Electrician's tools
- For an electrician. Electricity for beginners
- For an electrician. Grounding and neutral grounding
- For an electrician. Household appliances
- For an electrician. Lightning protection
- For an inexperienced radio amateur
- For radio amateur constructors
- For students
- Frequency synthesizers
- Halogen lamps
- High-frequency power amplifiers
- Infra-red equipment
- LEDs
- Lighting
- Measuring equipment
- Medicine
- Microcontrollers
- Microphones, wireless microphones
- Mobile communication
- Power amplifiers
- Power amplifiers. Car power amplifiers
- Power amplifiers. Transistor power amplifiers
- Power amplifiers. Tube power amplifiers
- Preamplifiers
- Radiation indicators
- Radio amateur computation
- Radio amateur technologies
- Radio control
- Radio reception
- Reference materials
- Security and alarm system using mobile communication
- Security
- Security devices and alarm systems
- Security. Audio and video surveillance
- Security. Car security and alarm systems
- Security. Personal safety
- Sound systems
- Sound-to-light units
- Telephony
- Television
- Use of microcircuit chips
- Various electronic devices
- Welding equipment
USEFUL ARTICLES AND BACKGROUND MATERIALS

- Art of audio
- Art of video
- Batteries and rechargeable batteries
- Big encyclopedia for children and adults
- Biographies of great scientists
- Children's scientific lab
- For builders and handymans
- For lovers of travel. Tips for tourists
- Fundamentals of health and safety
- Fundamentals of medical first aid
- History of engineering, technology, objects around us
- Home workshop
- Industrial technology at home - simple recipes
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Adhesives
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- Cement, putty
- Colouring products
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- Paints, oil varnishes
- Paper
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- Resins, sealing wax
- Rubber
- Sheepskin, fur
- Soap, washing powders
- Varnishes, polishes
- Waterproofing and fire-resisting properties of materials
- Wood
- Writing ink and paints
- Labor protection
- Lecture notes, cheat sheets
- Life of great physicists
- Miracles of nature. A fascinating journey around the globe
- Spectacular tricks and their solutions
- Spyware
- Personal transport: land, water, air
- Riddles, puzzles, trick questions
- Scale modeling
- The most important scientific discoveries
- Tools and mechanisms for agriculture
- Typical labor protection instructions (Job descriptions)
- Visual illusions
SPECTACULAR TRICKS AND THEIR SOLUTIONS. 1700 TRICKS WITH ILLUSTRATIONS AND DETAILED DESCRIPTION

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NEWS OF SCIENCE AND TECHNOLOGY
Regularly updated collection of
the most interesting news of science and technology,
as well as new developments in electronics. Large archive of articles (years 2000
through 2021). From the world press and Internet.
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