Copyright © 1995-2008 Freebyte.com. All rights reserved. | |||
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| Contents | |||
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| Free PCB Design Tools | |||
| FreePCB | Freeware open-source printed circuit board layout editor for Windows. | ||
| PCB | An interactive printed circuit board editor for Unix/X11. It includes a rats nest feature, auto-router, trace optimizer, design rule checking, and can provide RS-274-X (Gerber), NC drill, and centroid data (X-Y data) output for use in the board fabrication and assembly process. | ||
| PCB Artist | A free schematic capture and PCB Layout program for Windows. | ||
| Free Circuit Design/Simulation Tools | |||
| OrCAD Demo | Free OrCAD Demo program, which includes demo versions of: OrCAD Capture CIS, PSpice A/D, OrCAD Layout, and SPECCTRA for OrCAD. The limitations of this demo are in the size and complexity of the design. | ||
| Solve Elec | Freeware program for MAC and Windows to draw and analyze electrical circuits. | ||
| TinyCAD | Freeware open-source program for drawing circuits running on Windows. It includes drawing libraries, a SPICE template engine and can export to PCB design programs. | ||
| XCircuit | Open-source circuit-design program for Unix/X11. | ||
| Free Electronic Circuits | |||
| Bowden's Hobby Circuits | Over 100 circuit diagrams, links to related sites, commercial kits and projects, newsgroups and educational areas. | ||
| CXI | CXI stands for "Circuit Exchange International". CXI contains ten categories of schematics, a unified circuit analysis, design and theory page, and also a practical electronic section. | ||
| delabs | Free Electronics Circuits Archive with some Technical Documents | ||
| Discover Circuits | A collection of 11,000+ electronic circuits or electronic schematics cross-referenced into 500+ categories to find quick solutions for electronic design problems. | ||
| Electronic Surveillance | Free schematics for electronics surveillance and intelligence, free RTF (video/audio) wireless transmitter circuits. | ||
| Electronics and Radio Today | Free information, articles, and projects for the radio and/or electronics hobbyist. | ||
| Electronics Lab | Free electronics circuits with full description, diagrams and PCB, electronics articles, links, downloads, electronic community. | ||
| Electronics Project Design | Practical electronics project schematics, parts list, component descriptions, product testing and other references for electronics hobbyist and electronics designer. | ||
| FC's Electronic Circuits | Free Circuit Archive | ||
| Homo ludens electronicus | Free electronics projects including schematics. | ||
| Laurier's Handy Dandy Little Circuits | Free circuits and projects complete with instructions and schematics by Laurier Gendron. | ||
| Sam Electronic Circuits | Free schematics of electronic circuits for the hobbyist. The site is in Greek and English. | ||
| Synthesizer DIY pages | Free electronics cicruits for analog synthesizers, such as: VCO's, VCA's, filters, a noice generator, ADSR envelope generators, etc. | ||
| Techlib.com | Recommended! Free electronics circuits organized by category, hobby ideas, science, reference, etc. | ||
| Vacuum Tubes | |||
| Frank's electron Tube Data sheets | Vacuum tubes datasheets. | ||
| Vacuum Tube Amplifiers | Tutorial on how do tube amplifiers work. | ||
| Hand-Made Vacuum Tubes | Claude Paillard constructs his own vacuum tubes by hand. The site is in french but it contains a lot of photo's and a 17-minute video where you can see him constructing a Vacuum tube from scratch. | ||
| Space Charge Tubes | 12-V vacuum tubes and related projects. | ||
| Steve's Tube Pages | Schematics, datasheets and other tube-related information. | ||
| The Supereheterodyne receiver | A beginner's guide to the superheterodyne principle using Vacuum Tubes. A follow-up article on this subject can be found here: Receiver Technology. | ||
| Vacuum tube biasing methods | Tutorial which describes the most common methods of obtaining negative bias voltages in vaccum tube circuits. See also the introductory article What's inside Vacuum tubes. | ||
| Connector and Pinout reference | |||
| Chipdir | Numerically and functionally ordered chip lists, chip pinouts and lists of manufacturers, electronics books, CDROM's, magazines and links. | ||
| The Hardware Book | Free collection of connector pinouts and cable descriptions. | ||
| Electronics parts | |||
| 4 Star Electronics | Supplier of obsolete electronics components. | ||
| Digi-Key | Online shop for electronics parts. USA-based. | ||
| electronics-eom | A large index of electronics manufacturers on the Net, ordered by category or alphabetically. | ||
| Electrospec Obsolete Electronic Parts | Supplier of discontinued end of life electronic parts | ||
| FindChips.com | Search engine, which searches the inventory of over 20 distributors for all types of electronics, including passives, connectors, optoelectronics, chips, and more. | ||
| Segor-electronics | Online shop for electronics components in Germany. | ||
| The Electronics Source Book | Search engine for finding electronics components, manufacturers and distributors. | ||
| Datasheets | |||
| chipXref.com | Datasheets search, datasheets ordered by category, parts comparations, etc. | ||
| Datasheet Catalog | Large directory of datasheets. | ||
| DataSheet4u.com | A free electronic engineering search engine and directory that enables you to locate product datasheets from hundreds of electronic component manufacturers worldwide. | ||
| DatasheetArchive.com | Search engine containing 2.3 million datasheets. | ||
| Datasheetpro.com | A free data sheet search engine containing millions of specs on electronic and semiconductor components from all major manufacturers around the world. | ||
| DigChip.com | Parts, datasheets, cross reference, obsolete and new circuits, search engine, documentation. | ||
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| Digital Signal Processing | |||
| dspGuru | Online reference information, tutorials for beginners, tips and insights of interest to intermediate and advanced DSPers, DSP-related links, open source software for use in Digital Signal Processing. | ||
| Microprocessors and Embedded Systems | |||
| Propeller | Low-cost, high-performance processor containing eight (32-bit, 80 Mhz) processors, 32Kb Rom and 32Kb Ram on one chip which allows for real simultaneous multi-processing.
The Propeller chip can be programmed in both the high-level language 'Spin', and assembly. Various low-cost evaluation kits are available for around $ 100, such as the Propeller Starter Kit. See also these links and this Wikipedia article. | ||
| eg3 | Information related to embedded systems, fpga's, rtos, etc. | ||
| Robotics | |||
| RobotProg | Freeware robot-simulation program for MAC and Windows. First you draw the flowchart, then you run the program and watch one or more robots executing your program. | ||
| Electronics Tutorials | |||
| Educypedia: electronics | Large directory of links to electronics tutorials, ordered by category. | ||
| Electrolytic capacitors | What makes those "cans" tick, and how not to make them blow up. | ||
| Electronics 2000 | A beginners guide to project building, technical data, interactive formulae calculators, software downloads, links to other sites and more. | ||
| Electronics Tutorials | Over 120 free individual electronics tutorials covering a very wide range of electronics. | ||
| ikalogic Projects and tutorials | Electronics and Robotics projects and tutorials. They are all explained clearly with pictures and schematics. | ||
| Radio-Electronics.com | Free information, articles, tutorials and data for the radio and electronics industries about all aspects of radio and electronics. | ||
| The Basic Soldering Guide | Helps beginners and novices to obtain effective results when soldering electronic components. | ||
| Tuned circuits | What makes those "cans" tick, and how not to make them blow up. | ||
| Electronics News | |||
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| Free Electronics Resources | |||
| DigiBarn | The DigiBarn Computer Museum | ||
| Electronic Symbols True Type Font | A freeware TrueType font containing electronic symbols which you can use in a word processor or graphics program. | ||
| Electronics Hobbyist | Articles, tutorials, links, etc. | ||
| ePanorama.net | Useful, large electronics portal and reference site. | ||
| FreePatentsOnline.com | Free, fast and easy-to-use access to millions of patents and patent applications, including a patent search engine, an ever-expanding data collection. | ||
| Leroy's Engineering Web Site | An Indexed listing of Electronic Engineering Web Sites of Component and OEM Equipment Manufactures: Analog and Digital Integrated Circuits [ICs]; Memory, Processor and Programmable Logic IC's, Bus Interface IC's, Passive, and Mechanical components; Resistors, Capacitors, Inductors and Sensors, EDA Software vendors, Electrical Engineering Standards and Specifications, On-Line Publications, Computers, Power Supplies, Electronic Enclosures, Chassis, Racks, Backplanes, Mother Boards, and Test Equipment manufacturers. Provides detailed design information regarding Interface, Computer, Cable, Processor and Embedded Buses. | ||
| The Hobby Electronics from Japan | Circuits, tutorials, resources, electronics software, etc. | ||
| TKB-4u | "The Technical Knowledge Base for You": articles, information and news related to electronics. | ||
| US Patent Search | Enter the US patent number and download full issued patents and patent applications for free. | ||
| WebEE | Schematics, tutorials, online calculators, newsgroups, magazines, etc. | ||
| Related Freebyte Pages | |||
| Free Anti-Virus Software | Free and non-free anti-virus software, free firewalls, free email protection software, free virus prevention software, tests of anti-virus programs, links to specialized anti-virus sites, information about virus prevention, useful evaluation versions of anti-virus software, etc.. | ||
| Free Business and Office Software | Free office suites, word processors, text editors, personal databases, currency converters, accounting software, calculators, document viewers, PDF utilities, etc. | ||
| Free CAD software | Free Mechanical Engineering software for a variety of platforms. | ||
| Free Computers | Free used and recycled computers, mostly for schools, non-profit organisations and disadvantaged individuals. | ||
| Free eBooks | Free ebooks, free eBook authoring tols, free photo albums. | ||
| Free File and Disk utilities | Various file and disk utilities. | ||
| Education On-line | Online courses, education for kids, online university education, educational resources. | ||
| Free Programming Tools | Free programming tools for Windows, Linux, etc. Free C++, C, Delphi, Basic, Assembler, Cobol, Pascal, Java, SQL, Databases; links to free compilers, databases, interpreters, IDE's, installers, components, libraries, languages, helpfile generators and more. | ||
| Free Software created by Freebyte | Free Personal Information Managers, free File and Disk Utilities, free Address Books, free eBook Software and more. All created by Freebyte.com. | ||
| Free System and Administrator utilities | Free process viewers, system analysis tools, network monitoring tools, registry tools, task schedulers. | ||
| Freebyte Music Zone | Software synthesizers, music sites, midi sequencers, score/notation software, MP3 search engines, midi/MP3/WAV files for download, etc. etc. | ||
| Freebyte News Center | The latest News Headlines; a large collection of news sites: English (USA/UK), German, Spanish, French, Italian, Dutch, Russian, Chinese, Brazilian, Arabic, Scandinavian, weather, sports, science, showbizz, economy, Internet, computer, etc. | ||
| Freebyte Reference Desk | Free online encyclopedias, maps, satellite images, electronics, computing, physics, science, etc. | ||
| Information wanted! | |||
| If you know of any good free and/or interesting Electronics software, directories and other resources, which are not listed here, please let us know! | |||
| About this page | |||
| Last updated on April 30, 2008
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