Category: electronics

« back to categories

161 sites · page 1 of 1

• 4QD-TEC [2026-07-07]
  Electronics Circuits Reference Archive Index: Created by Richard Torrens, founder of 4QD Ltd, this extensive archive covers a wide range of electronics circuits and design information, from audio and motor control to oscillators and power supplies. Built originally as a subscription club and now freely accessible, it emphasizes discrete component design for a solid grounding in fundamental electronic principles.
• 555 Timer Circuits [2025-08-31]
  555 Timer Circuits — a electronics site at 555-timer-circuits.com. Part of the weirdnet hand-curated map of the small web.
• A Collection of Smith Chart Resources [2026-07-07]
  A comprehensive reference hub dedicated to the Smith Chart, the classic RF engineering tool invented by Phillip Smith of RCA, covering tutorials, software downloads, example charts, reference books, and curated links to related tools and pages. Visitors can explore the mathematical foundations of impedance matching, s-parameters, and microwave design through a well-organized collection of articles, Java applets, and PDF resources.
• A Collection of Smith Chart Resources, page 2 [2026-07-07]
  SSS Online is a long-running RF and spread spectrum engineering magazine offering deep technical resources on Smith charts, S-parameters, impedance matching, Eb/N0, and link budgets. Managed by Pegasus and active since 1995, it serves RF engineers and ham radio enthusiasts with articles, software downloads, tutorials, and reference material on microwave and wireless design topics.
• AdaBox [2026-06-20]
  AdaBox — a electronics page from adafruit.com. Listed in the weirdnet link dump.
• Aisler [2025-07-09]
  Aisler — a electronics site at aisler.net. Part of the weirdnet hand-curated map of the small web.
• Alan Yates' Laboratory - Latest Articles [2026-07-07]
  Alan Yates (VK2ZAY) runs a sprawling electronics and amateur radio laboratory notebook covering homebrew circuits, microcontrollers, high voltage experiments, pyrotechnics, antennas, and much more. With over 260 articles, engineering calculators, and an annual Advent Calendar of Circuits series, this is a genuine treasure trove for hands-on electronics hobbyists.
• Altium CircuitMaker [2026-03-14]
  Altium CircuitMaker — a electronics site at circuitmaker.com. Part of the weirdnet hand-curated map of the small web.
• Android World [2026-05-18]
  Android World — a electronics site at androidworld.com. Part of the weirdnet hand-curated map of the small web.
• Arduino AC Power Control Tutorial [2026-02-05]
  Arduino AC Power Control Tutorial — a electronics page from bristolwatch.com. Listed in the weirdnet link dump.
• Arduino Hardware Interrupts Control AC Power [2025-03-23]
  Arduino Hardware Interrupts Control AC Power — a electronics page from bristolwatch.com. Listed in the weirdnet link dump.
• Arduino Interfacing TSL230R Light Frequency Converter [2026-03-14]
  Arduino Interfacing TSL230R Light Frequency Converter — a electronics page from bristolwatch.com. Listed in the weirdnet link dump.
• Arduino MCP23016 IO Expander Programming [2025-10-07]
  Arduino MCP23016 IO Expander Programming — a electronics page from bristolwatch.com. Listed in the weirdnet link dump.
• Arduino Operating TA8050 H [2024-10-16]
  Arduino Operating TA8050 H — a electronics page from bristolwatch.com. Listed in the weirdnet link dump.
• Audiologica [2025-09-05]
  Audiologica — a electronics page from tangentsoft.com. Listed in the weirdnet link dump.
• B&W 801 Series 80 Restoration (1983) [2025-06-12]
  B&W 801 Series 80 Restoration (1983) — a electronics page from yourmom.sh. Listed in the weirdnet link dump.
• Badcaps [2024-10-18]
  Badcaps — a electronics site at badcaps.net. Part of the weirdnet hand-curated map of the small web.
• Bald Engineer [2026-01-11]
  Bald Engineer — a electronics site at baldengineer.com. Part of the weirdnet hand-curated map of the small web.
• BEAM Circuits [2024-07-31]
  BEAM Circuits — a electronics page from solarbotics.net. Listed in the weirdnet link dump.
• Berkeley EECS [2025-12-03]
  Berkeley EECS — a electronics page from inst.eecs.berkeley.edu. Listed in the weirdnet link dump.
• BigClive [2024-11-19]
  BigClive — a electronics site at bigclive.com. Part of the weirdnet hand-curated map of the small web.
• Bitstream Technologies, Inc. - Other Electronic Resources [2026-07-07]
  Bitstream Technologies curates an extensive directory of electronics resources spanning circuit archives, DSP tools, embedded systems, robotics, PCB design, and IC information. A well-organized link library for engineers and hobbyists, covering everything from FPGA design tools to repair and test equipment references.
• bunniestudios.com [2025-10-03]
  bunniestudios.com — a electronics site at bunniestudios.com. Part of the weirdnet hand-curated map of the small web.
• CADLAB [2024-09-25]
  CADLAB — a electronics site at cadlab.io. Part of the weirdnet hand-curated map of the small web.
• CHAPTER III [2025-04-10]
  CHAPTER III — a electronics page from insulators.info. Listed in the weirdnet link dump.
• Circuit JS [2026-04-26]
  Circuit JS — a electronics page from falstad.com. Listed in the weirdnet link dump.
• Circuit Sage [2026-07-07]
  New Routine of the Week: Circuit Sage offers free design routines and tools for analog and RF circuit engineers, covering topics like PLL design, LNA/PA design, impedance matching, bandgap references, and transmission lines. The site provides Mathcad-based calculation routines that serve as practical references for IC and wireless circuit design work.
• CircuitsArchive [2026-07-07]
  CircuitsArchive is a free, web-based archive of electronic circuit schematics covering everything from audio gear and battery monitors to filters, telephone interfaces, and microprocessor circuits. Maintained by Nicola Asuni since 1998, it offers a well-organized collection of PCB designs and projects useful to hobbyists and engineers alike.
• Contextual Electronics' Shine on You Crazy KiCad [2026-03-16]
  Contextual Electronics' Shine on You Crazy KiCad — a electronics page from contextualelectronics.com. Listed in the weirdnet link dump.
• CppSim [2025-08-31]
  CppSim — a electronics site at cppsim.com. Part of the weirdnet hand-curated map of the small web.
• cryothene [2026-07-07]
  Cryothene is a technically-minded personal blog covering electronics projects, embedded systems, reverse engineering, and 3D printing, with standout documentation of a custom display driver project called Sharpie spanning many installments. The site also mixes in anime opinions, game reviews, and occasional recipes, but the dominant draw is its detailed hardware and microcontroller writeups.
• Dangerous Prototypes [2026-03-04]
  Dangerous Prototypes — a electronics page from dangerousprototypes.com. Listed in the weirdnet link dump.
• DataView home [2025-09-23]
  DataView home — a electronics page from st-andrews.ac.uk. Listed in the weirdnet link dump.
• DesignSoft [2025-06-11]
  DesignSoft — a electronics site at tina.com. Part of the weirdnet hand-curated map of the small web.
• DesignSpark PCB [2024-11-29]
  DesignSpark PCB — a electronics page from rs-online.com. Listed in the weirdnet link dump.
• DipTrace [2026-05-29]
  DipTrace — a electronics site at diptrace.com. Part of the weirdnet hand-curated map of the small web.
• Dirty PCBs [2025-03-08]
  Dirty PCBs — a electronics page from dirtypcbs.com. Listed in the weirdnet link dump.
• DiscoverCircuits.com started in 2002 Free Electronic Circuits [2026-07-07]
  DiscoverCircuits.com, run by engineer Dave Johnson P.E., is a massive repository of over 45,000 free electronic circuits and schematics cross-referenced across 500+ categories for engineers, hobbyists, inventors, and students. Online since 2002, it serves as a go-to reference for quick design ideas, circuit solutions, and component resources covering an enormous breadth of electronic applications.
• DIY Guitar Effects Pedals, Schematics, Stompboxes & Electronics [2026-07-07]
  Jack Orman's AMZ is a deep well of DIY guitar effects pedal knowledge, offering free schematics, project guides, a lab notebook, and a blog covering circuits for fuzzboxes, boosters, overdrives, and more. With decades of content, PCB boards for sale, and downloadable ebooks, it stands as one of the most comprehensive stompbox electronics resources on the old web.
• DMX512.com - The source for theatre technical information [2026-07-07]
  DMX512.com is a technical reference hub dedicated to entertainment technology, covering stage lighting, audio, communications, MIDI, show control, and power systems for theatre production. Named after the DMX512 lighting control protocol, the site organizes resources across multiple categories including net resources, reference materials, and even accident reports relevant to technical theatre professionals.
• Don's homepage! [2026-07-07]
  Don Klipstein's sprawling technical resource covers everything from LEDs and fluorescent lamps to Tesla coils, xenon strobes, lasers, and high voltage experiments. With decades of accumulated hobbyist knowledge, detailed guides, and regularly updated content, it's an indispensable reference for electronics enthusiasts interested in lighting and discharge lamp technology.
• Dr. Abraham [2024-08-11]
  Dr. Abraham — a electronics page from cerc.utexas.edu. Listed in the weirdnet link dump.
• Dr. Jacob Baker [2025-08-25]
  Dr. Jacob Baker — a electronics site at cmosedu.com. Part of the weirdnet hand-curated map of the small web.
• Dr. McDermot [2026-01-15]
  Dr. McDermot — a electronics page from users.ece.utexas.edu. Listed in the weirdnet link dump.
• Dr. Valvano [2025-10-15]
  Dr. Valvano — a electronics page from users.ece.utexas.edu. Listed in the weirdnet link dump.
• Dynamo LED Light Systems for Bicycles (electronic circuits) [2024-08-02]
  Dynamo LED Light Systems for Bicycles (electronic circuits) — a electronics page from pilom.com. Listed in the weirdnet link dump.
• EEVBlog beginners forum [2025-12-26]
  EEVBlog beginners forum — a electronics page from eevblog.com. Listed in the weirdnet link dump.
• EEVBlog forum [2024-12-08]
  EEVBlog forum — a electronics page from eevblog.com. Listed in the weirdnet link dump.
• Electronic Circuits [2026-07-07]
  Aaron Cake's extensive collection of electronic circuit schematics covers categories from power supplies and light/laser projects to telephone circuits and sound/radio designs. Each circuit includes printable PCB patterns, community rankings, and user comments, making it a hands-on resource for hobbyist electronics builders.
• Electronics [2025-05-11]
  Electronics — a electronics page from klimaco.com. Listed in the weirdnet link dump.
• Electronics - Mobile Friendly [2026-07-07]
  A comprehensive free electronics and electrical engineering reference hub covering everything from basic electricity and Ohm's Law to advanced RF design, DSP, amateur radio, and circuit simulation. With hundreds of curated links, formulas, tutorials, data sheets, and calculators organized across multiple phases of learning, it serves as a structured self-study guide for electronics enthusiasts and engineers alike.
• Electronics 2000 - Hobby Electronics - Software, Calculators, Technical Data, Pin-outs, Beginners Guide, Forum, Links... [2026-07-07]
  Electronics 2000, created by Simon Carter, is a comprehensive hobby electronics reference packed with online calculators for resistors, capacitors, inductors, Ohm's Law, and more, plus technical data articles, pin-outs, and a beginner's guide. The site also offers downloadable Windows software like Electronics Assistant and an EPE Index, making it a genuinely useful toolkit for hobbyists, students, and engineers alike.
• ELECTRONICS HOBBYIST [2026-07-07]
  Bill Beaty's Electronics Hobbyist page is a sprawling directory of resources for electronics enthusiasts, covering surplus suppliers, schematics archives, robotics, embedded processors, Tesla coils, and electrostatics projects. It also includes Bill's own articles on electricity fundamentals, common misconceptions, and hands-on science experiments, making it a rich hub for both beginners and seasoned hobbyists.
• Electronics Notes – reference site for electronics, radio & wireless [2026-07-07]
  Electronics Notes, created and maintained by engineer Ian Poole, is a comprehensive reference hub covering electronics theory, circuit design, components, radio technology, antennas, ham radio, and more. With tutorials aimed at everyone from hobbyists to professionals, it also offers downloadable guides, infographics, and component data sheets, making it a genuinely useful destination for anyone working with electronics.
• Electronics Tutorials Electronics [2026-07-07]
  Williamson Labs is a comprehensive electronics tutorial site covering foundational topics like transistors, op-amps, 555 timers, and circuit design for learners at various levels. It serves as a structured educational reference for anyone looking to understand basic and intermediate electronics concepts through instructional content.
• Electronics, high voltage, proramming [2026-01-05]
  Electronics, high voltage, proramming — a electronics page from elektronika.kvalitne.cz. Listed in the weirdnet link dump.
• ELM by ChaN [2026-07-07]
  ChaN's personal electronics engineering site showcases hobby projects, technical notes, and software tools shared with enthusiasts worldwide, including the widely-used FatFs filesystem module for embedded systems. The site blends circuit designs, fluorescent lamp ballasts, and downloadable code under a Creative Commons license, making it a genuine resource for hardware hobbyists.
• Embedded.fm [2025-01-25]
  Embedded.fm — a electronics site at embedded.fm. Part of the weirdnet hand-curated map of the small web.
• ePanorama.net | Audio | Video | Circuits | Electronics Design [2026-07-07]
  Tomi Engdahl's ePanorama.net is a vast electronics reference site covering audio circuits, video systems, PCB design, embedded systems, RF, and much more, with hundreds of categorized links and original schematics. The accompanying blog keeps the resource current with news, product tests, IoT coverage, and cleantech topics, making it a go-to hub for electronics hobbyists and engineers alike.
• EveryCircuit [2025-03-16]
  EveryCircuit — a electronics site at everycircuit.com. Part of the weirdnet hand-curated map of the small web.
• FC's Electronic Circuits [2026-07-07]
  FC's Electronic Circuits is a sprawling hobbyist archive packed with schematics and project descriptions covering everything from solar charge controllers and LED circuits to tube amplifiers, Geiger counters, and amateur radio gear. With dozens of original circuit designs, Arduino projects, and links to related ham radio and electronics builders, this site is a goldmine for DIY electronics enthusiasts.
• GADGETEER [2026-07-07]
  A site for electronic homebrewers: Bill Meara's Gadgeteer site is a celebration of electronic homebrewing, centered on ham radio projects including DSB and SSB rigs, tube receivers, and QRP builds alongside a popular podcast called SolderSmoke. The site also ventures into amateur astronomy, model rocketry, and kite aerial photography, making it a rich destination for technically adventurous hobbyists.
• Geiger Counter Circuits and Radioactivity [2026-05-23]
  Geiger Counter Circuits and Radioactivity — a electronics page from bristolwatch.com. Listed in the weirdnet link dump.
• Gerblook [2025-12-20]
  Gerblook — a electronics site at gerblook.org. Part of the weirdnet hand-curated map of the small web.
• Giovannini Elettromeccanica - Military and Commercial antenna systems for HF [2026-07-07]
  Giovannini Elettromeccanica is an Italian antenna manufacturing company specializing in HF antenna systems for both military and commercial applications, covering the RF spectrum from 1.5 to 30 MHz. Their product catalog includes log-periodic antennas, broadband wire dipoles, fiberglass masts, antenna rotators, and towers, with research, design, manufacturing, and support services all offered in-house.
• GrabCad [2026-03-27]
  GrabCad — a electronics page from grabcad.com. Listed in the weirdnet link dump.
• Group [2024-10-19]
  Group — a electronics page from groups.io. Listed in the weirdnet link dump.
• Hackaday [2025-07-11]
  Hackaday — a electronics site at hackaday.com. Part of the weirdnet hand-curated map of the small web.
• Hackaday.io [2025-10-19]
  Hackaday.io — a electronics site at hackaday.io. Part of the weirdnet hand-curated map of the small web.
• HackerBoxes [2024-09-28]
  HackerBoxes — a electronics site at hackerboxes.com. Part of the weirdnet hand-curated map of the small web.
• Hackster.io [2025-08-23]
  Hackster.io — a electronics site at hackster.io. Part of the weirdnet hand-curated map of the small web.
• Hackster.io [2025-07-15]
  Hackster.io — a electronics page from hackster.io. Listed in the weirdnet link dump.
• Hatching Chicken Eggs Utilizing Arduino [2025-10-01]
  Hatching Chicken Eggs Utilizing Arduino — a electronics page from bristolwatch.com. Listed in the weirdnet link dump.
• Home | Phi's steradian [2026-07-07]
  Phi's personal digital garden covers a range of technical and creative interests including electronics, music, DIY, mathematics, physics, and railways. A cozy old-web style homepage with an 88x31 button for linking, inviting visitors to explore whatever useful or interesting content Phi has cultivated here.
• Home electronics and household appliances [2025-07-11]
  Home electronics and household appliances — a electronics site at ruodiantong.com. Part of the weirdnet hand-curated map of the small web.
• How to design a motherboard for your electronics project [2025-12-06]
  How to design a motherboard for your electronics project — a electronics page from staycaffeinated.com. Listed in the weirdnet link dump.
• https: [2026-01-08]
  https: — a electronics page from stevenbkrivit.com. Listed in the weirdnet link dump.
• I Write Like [2024-09-13]
  I Write Like — a electronics page from codingrobots.com. Listed in the weirdnet link dump.
• iCircuit [2024-08-04]
  iCircuit — a electronics site at icircuitapp.com. Part of the weirdnet hand-curated map of the small web.
• Insulated Gate Bipolar Transistor IGBT Circuits Tutorial [2025-12-22]
  Insulated Gate Bipolar Transistor IGBT Circuits Tutorial — a electronics page from bristolwatch.com. Listed in the weirdnet link dump.
• Isomorphism of digital circuits [2025-05-14]
  Isomorphism of digital circuits — a electronics page from rahne.si. Listed in the weirdnet link dump.
• Jedaler's Electronics Page [2026-07-07]
  Jedaler's Electronics Page, built by JaKab-Daniel, is a curated link collection focused on circuit schematics, microcontrollers, RF antennas, robotics, and hobby electronics projects. Visitors will find references to PIC microcontroller resources, Tesla-related circuits, xenon flash designs, and free energy machine plans alongside general electronics archives.
• JLCPCB [2024-11-03]
  JLCPCB — a electronics site at jlcpcb.com. Part of the weirdnet hand-curated map of the small web.
• KA7OEI's blog [2026-07-07]
  Modifying the MFJ-5008 parabolic ultrasonic receiver for better sensitivity and wider frequency response: KA7OEI is Clint's technically-focused amateur radio and electronics blog, covering hands-on modifications and experiments with devices like the MFJ-5008 parabolic ultrasonic receiver. This particular post dives deep into improving the sensitivity and frequency response of the discontinued ultrasonic tool, with detailed photos, circuit analysis, and practical applications like bat detection and power line fault finding.
• Khan Academy [2024-12-18]
  Khan Academy — a electronics page from khanacademy.org. Listed in the weirdnet link dump.
• KiCad GerbView [2026-01-02]
  KiCad GerbView — a electronics site at kicad.org. Part of the weirdnet hand-curated map of the small web.
• KiCad.info Forums [2025-06-10]
  KiCad.info Forums — a electronics site at forum.kicad.info. Part of the weirdnet hand-curated map of the small web.
• Kitspace [2024-11-07]
  Kitspace — a electronics site at kitspace.org. Part of the weirdnet hand-curated map of the small web.
• Lessons In Electric Circuits [2025-11-13]
  Lessons In Electric Circuits — a electronics page from ibiblio.org. Listed in the weirdnet link dump.
• LibrePCB [2025-11-08]
  LibrePCB — a electronics site at librepcb.org. Part of the weirdnet hand-curated map of the small web.
• MacroFab Engineering Podcast [2025-01-14]
  MacroFab Engineering Podcast — a electronics page from macrofab.com. Listed in the weirdnet link dump.
• Marine Radio, Telescopes, Binoculars, Scanners, Test equipment and CB Radio in Australia [2026-07-07]
  Andrews Communications is an Australian retailer specializing in marine radio, telescopes, binoculars, scanners, CB radio, and test equipment. The shop serves customers across Australia with a broad range of optical and electronic communication products.
• Micro [2026-05-25]
  Micro — a electronics page from spectrum-soft.com. Listed in the weirdnet link dump.
• Modulus Robot by Sirius [2026-05-23]
  Modulus Robot by Sirius — a electronics page from theoldrobots.com. Listed in the weirdnet link dump.
• Mostly DIY RF [2026-07-07]
  Mostly DIY RF is a specialized resource for amateur radio builders, offering PCB kits and detailed documentation for RF circuits including IF amplifiers, low-pass filters, VFOs, crystal filters, and MMIC amplifiers. The site covers designs by well-known ham radio engineers like Hayward and Kopski, making high-performance transceiver building accessible to hobbyists.
• Music Electronics µArchive [2026-07-07]
  The Music Electronics µArchive is a long-running reference hub for DIY guitar effects and audio electronics, offering schematics archives, FAQs, and curated links to the best resources on the web. Highlights include a downloadable schematics archive, guides on tube amplifiers and transistor identification, and an Electro-Harmonix parts sheet for builders working with vintage pedal components.
• N [2026-05-22]
  N — a electronics site at n-o-d-e.net. Part of the weirdnet hand-curated map of the small web.
• Neets Module 10-Introduction to Wave Propagation, Transmission Lines, and Antennas [2026-07-07]
  A comprehensive online reference covering the U.S. Navy's NEETS Module 10, this resource walks through wave propagation, transmission lines, and antenna theory with detailed chapters on electromagnetic fields, radio wave propagation, and sound waves. Published by Integrated Publishing, it offers the full technical training manual with options to download as PDF or order in print, making it a valuable reference for electronics students and hobbyists alike.
• Octopart [2025-09-04]
  Octopart — a electronics site at octopart.com. Part of the weirdnet hand-curated map of the small web.
• Open [2025-07-14]
  Open — a electronics page from galion.sdf.org. Listed in the weirdnet link dump.
• Open Circuit Design Software [2025-01-04]
  Open Circuit Design Software — a electronics site at opencircuitdesign.com. Part of the weirdnet hand-curated map of the small web.
• Optical enclosure [2024-08-11]
  Optical enclosure — a electronics page from modulatedlight.org. Listed in the weirdnet link dump.
• ostrowski.net.pl [2025-10-12]
  ostrowski.net.pl — a electronics site at ostrowski.net.pl. Part of the weirdnet hand-curated map of the small web.
• Page 1 - Useful Resources Site Links - Electronics Tutorials & Circuits - Discover Engineering Hobby Projects [2026-07-07]
  HobbyProjects.com curates an extensive collection of links to electronics tutorials, circuits, engineering projects, and useful resources for hobbyists at all skill levels. The site also offers its own tutorials covering topics from basic electronics to microcontrollers, along with dictionaries, formulas, and reference materials for electronics enthusiasts.
• PCB [2025-12-19]
  PCB — a electronics page from eevblog.com. Listed in the weirdnet link dump.
• PCBShopper [2025-07-23]
  PCBShopper — a electronics site at pcbshopper.com. Part of the weirdnet hand-curated map of the small web.
• Peter's DIY electronic projects and links [2026-07-07]
  Peter's DIY electronics hub showcases a range of original hardware projects including relay modules for Raspberry Pi and Arduino, PIC microcontroller circuits, remote control encoders, and an LCD thermometer. Each project comes with schematics and build guides, making this a great resource for hobbyist engineers looking for practical, hands-on circuit designs.
• Pilom Electronics Web Presence [2026-03-07]
  Pilom Electronics Web Presence — a electronics site at pilom.com. Part of the weirdnet hand-curated map of the small web.
• Program Interface Arduino MM5451 LED Display Driver [2025-03-14]
  Program Interface Arduino MM5451 LED Display Driver — a electronics page from bristolwatch.com. Listed in the weirdnet link dump.
• Qucs [2025-04-01]
  Qucs — a electronics site at qucs.sourceforge.net. Part of the weirdnet hand-curated map of the small web.
• QucsStudio [2025-06-14]
  QucsStudio — a electronics page from dd6um.darc.de. Listed in the weirdnet link dump.
• Quiet Electronics Moderated Newsgroup For The Electronic Professionals and Other Professionals [2024-12-13]
  Quiet Electronics Moderated Newsgroup For The Electronic Professionals and Other Professionals — a electronics site at quietelectronics.com. Part of the weirdnet hand-curated map of the small web.
• RED Free Circuit Designs - Audio [2026-07-07]
  RED Free Circuit Designs is a hobbyist electronics resource offering dozens of free audio amplifier schematics, preamplifier modules, headphone amplifiers, and miscellaneous electronic circuit designs. Visitors can browse Class-A and Class-B amplifier projects, phono preamps, intercom circuits, and many more practical designs, all available at no cost.
• RF Cafe Homepage [2026-07-07]
  RF Cafe is a comprehensive resource for RF and electronics engineers, offering formulas, reference data, vintage magazine archives, software tools, forums, and a massive parts and services directory. Running since 1996, the site blends technical depth with nostalgia, featuring scanned articles from classic publications like QST, Popular Electronics, and Radio-Craft alongside modern engineering utilities.
• RF schematics [2026-07-07]
  Peter's RF schematics page is a technical reference collection of radio frequency circuit diagrams spanning receivers, transmitters, and transceivers across a wide range of frequencies from 27MHz to 1GHz. Hobbyists and engineers will find schematics for superregenerative receivers, FM audio transmitters, walkie-talkies, SAW-based designs, and datasheets for chips from major manufacturers like Silicon Labs, HopeRF, and Texas Instruments.
• rfchoke.com [2026-07-07]
  A technical reference site dedicated to RF chokes, ferrite cores, and related radio frequency electronics components used in amateur radio and RF engineering applications. Visitors will find practical information on choke design, impedance characteristics, and suppression of common-mode currents on antenna feedlines.
• Rheingold Heavy [2026-05-06]
  Rheingold Heavy — a electronics site at rheingoldheavy.com. Part of the weirdnet hand-curated map of the small web.
• Robert Smathers TVRO Satellite Web Page [2026-07-07]
  Robert Smathers maintains this personal hub dedicated to TVRO (Television Receive Only) satellite reception, featuring links, schedules, mail lists, newsgroups, and dealer resources for satellite hobbyists. The site also touches on visual satellite observing and space topics, making it a useful reference point for backyard dish enthusiasts.
• Robot Manuals [2025-05-06]
  Robot Manuals — a electronics page from theoldrobots.com. Listed in the weirdnet link dump.
• Robotic Technology Inc., robots, unmanned vehicles, artificial intelligence and more. [2026-04-20]
  Robotic Technology Inc., robots, unmanned vehicles, artificial intelligence and more. — a electronics page from robotictechnologyinc.com. Listed in the weirdnet link dump.
• SchematicsForFree [2026-07-07]
  SchematicsForFree is a volunteer-run archive offering free electronics schematics, circuit diagrams, and service manuals covering audio, video, automotive, and test equipment. Updated regularly since 2022, it embodies the original open-sharing spirit of the web, providing hard-to-find technical documents at no cost.
• Science, Space & Robots [2026-06-10]
  Science, Space & Robots — a electronics site at sciencespacerobots.com. Part of the weirdnet hand-curated map of the small web.
• Scilab with Xcos [2025-03-29]
  Scilab with Xcos — a electronics site at scilab.org. Part of the weirdnet hand-curated map of the small web.
• Scott 800 [2026-05-16]
  Scott 800 — a electronics page from antiqueradio.org. Listed in the weirdnet link dump.
• SEGA ROM Reader [2024-09-24]
  SEGA ROM Reader — a electronics page from pjrc.com. Listed in the weirdnet link dump.
• Shortwave Radio Broadcast Tubes [2026-07-07]
  A specialized reference guide cataloging the vacuum tube types used in shortwave radio broadcast transmitters, organized alphabetically and numerically for easy lookup. The site also lists manufacturers, rebuilders, and distributors worldwide, including companies like Thales, Eimac, Penta Laboratories, and Xuguang, making it a practical industry directory for broadcast engineers.
• skill" tag on learn.sparkfun.com [2026-01-13]
  skill" tag on learn.sparkfun.com — a electronics page from learn.sparkfun.com. Listed in the weirdnet link dump.
• SnapEDA [2025-10-14]
  SnapEDA — a electronics site at snapeda.com. Part of the weirdnet hand-curated map of the small web.
• Solar Power Guide [2026-07-07]
  Welcome to Bob's Solar Energy Hobby Site!: Bob Robertson's hobby site is a sprawling reference on solar power, covering everything from basic definitions and how solar panels work to educational guides for kids and van-life solar setups. With dozens of articles on renewable energy topics, it reads like a one-man encyclopedia built by a retiree passionate about the subject.
• Soldering is Easy [2025-02-26]
  Soldering is Easy — a electronics page from mightyohm.com. Listed in the weirdnet link dump.
• Stavros' Stuff [2026-07-07]
  Stavros Korokithakis documents his maker and DIY electronics projects, including building a custom $8 voice note recorder inspired by a discontinued pebble device. The blog blends technical tinkering with self-deprecating humor, making it an entertaining read for hobbyist electronics builders and software developers alike.
• Strange Parts [2025-06-03]
  Strange Parts — a electronics site at strangeparts.com. Part of the weirdnet hand-curated map of the small web.
• Tetsuo Kogawa's transmitter workshop. How to build transmitter. Have your wireless imagination! [2026-04-22]
  Tetsuo Kogawa's transmitter workshop. How to build transmitter. Have your wireless imagination! — a electronics page from anarchy.translocal.jp. Listed in the weirdnet link dump.
• The Amp Hour [2026-03-04]
  The Amp Hour — a electronics site at theamphour.com. Part of the weirdnet hand-curated map of the small web.
• The EE Compendium [2026-07-07]
  Electronic Engineering and Embedded Systems Programming: The EE Compendium is a comprehensive reference hub for electronics engineers, students, and hobbyists covering microcontrollers, embedded systems programming, and hardware development tools. Visitors will find curated links and resources spanning popular platforms like Atmel AVR, Microchip PIC, Intel 8051, and Freescale chips, along with project kits, robotics, software compilers, and career resources.
• The Engineering Commons Podcast [2024-12-29]
  The Engineering Commons Podcast — a electronics site at theengineeringcommons.com. Part of the weirdnet hand-curated map of the small web.
• The History of Electronics [2026-06-16]
  The History of Electronics — a electronics site at historyofelectronics.com. Part of the weirdnet hand-curated map of the small web.
• The New York Times: Circuits [2026-05-26]
  The New York Times: Circuits — a electronics page from archive.nytimes.com. Listed in the weirdnet link dump.
• The Richfiles: TI [2024-09-20]
  The Richfiles: TI — a electronics page from richfiles.solarbotics.net. Listed in the weirdnet link dump.
• The Spark Gap Podcast [2024-09-09]
  The Spark Gap Podcast — a electronics site at thesparkgap.net. Part of the weirdnet hand-curated map of the small web.
• The web site of ottomobiehl [2025-07-08]
  The web site of ottomobiehl — a electronics site at ottomobiehl.neocities.org. Part of the weirdnet hand-curated map of the small web.
• Theiling Online: Tinkering: Table Saw Motor Brake [2025-09-11]
  Theiling Online: Tinkering: Table Saw Motor Brake — a electronics page from theiling.de. Listed in the weirdnet link dump.
• Thranpages :: How Did I Do :: Fine times with the PineTime [2025-04-05]
  Thranpages:: How Did I Do:: Fine times with the PineTime — a electronics page from thran.uk. Listed in the weirdnet link dump.
• TINA [2024-08-27]
  TINA — a electronics page from ti.com. Listed in the weirdnet link dump.
• Tindie [2025-10-23]
  Tindie — a electronics site at tindie.com. Part of the weirdnet hand-curated map of the small web.
• Tomy Toy Robots [2026-06-21]
  Tomy Toy Robots — a electronics page from theoldrobots.com. Listed in the weirdnet link dump.
• Tonne Software Homepage [2026-07-07]
  Tonne Software offers a catalog of free and low-cost electrical engineering programs for Windows, covering filter design, meter scale drawing, great-circle mapping, Smith charts, and more. The site also hosts technical articles and tutorials on topics like speech processing, AM demodulators, and CW bandpass filters, many published or submitted to QEX magazine.
• Tracespace Viewer [2026-03-30]
  Tracespace Viewer — a electronics site at tracespace.io. Part of the weirdnet hand-curated map of the small web.
• Transtronics electronics [2026-06-17]
  Transtronics electronics — a electronics site at xtronics.com. Part of the weirdnet hand-curated map of the small web.
• Trevor Gales' Vintage Valves/Tubes Page. [2026-07-07]
  Trevor Gale's comprehensive reference site covers vintage vacuum tubes and valves, offering pinout data, characteristics lists, military-to-commercial conversion tables, repair hints, substitution guides, and circuit diagrams for old receivers and amplifiers. Maintained as a companion to the rec.antiques.radio+phono newsgroup FAQ, it serves as a practical technical resource for both seasoned restorers and newcomers to valve/tube circuitry.
• Trombone Slide SPL, Part 3 [2025-02-03]
  Trombone Slide SPL, Part 3 — a electronics page from oberloh.com. Listed in the weirdnet link dump.
• Trombone Slide SPL, Part 5 [2025-01-05]
  Trombone Slide SPL, Part 5 — a electronics page from oberloh.com. Listed in the weirdnet link dump.
• Ultimate Electronics: Practical Circuit Design and Analysis [2024-07-27]
  Ultimate Electronics: Practical Circuit Design and Analysis — a electronics site at ultimateelectronicsbook.com. Part of the weirdnet hand-curated map of the small web.
• Updates are coming [2024-10-24]
  Updates are coming — a electronics page from codingrobots.com. Listed in the weirdnet link dump.
• Uses of Different Soldering Iron Tips [2025-02-07]
  Uses of Different Soldering Iron Tips — a electronics page from instructables.com. Listed in the weirdnet link dump.
• Vacuum Tubes, Electron Tubes, Tubes, Tube Testers and Electronic Parts [2026-07-07]
  Vacuumtubes.com, run by Jonathan Oas out of Hartland, MN, is an online storefront selling vacuum tubes, electron tubes, tube testers, tube sockets, and related electronic parts organized into extensive alphabetical tube lists. The inventory spans everything from rare Western Electric and antique tubes to popular audio types like the 12AX7, 6L6, and EL34, making it a go-to source for vintage audio and electronics enthusiasts.
• Verilator [2026-02-27]
  Verilator — a electronics page from veripool.org. Listed in the weirdnet link dump.
• Wes Edwards, PC Certified Electronics Technician [2025-04-13]
  Wes Edwards, PC Certified Electronics Technician — a electronics page from webarchive.me. Listed in the weirdnet link dump.
• WhiskeyTangoHotel.Com [2026-07-07]
  WhiskeyTangoHotel.Com is a hobbyist electronics and amateur radio blog featuring hands-on projects like ESP32 microcontroller builds, temperature logging with Node-RED, and Morse code analysis tools. The site blends practical hardware tutorials with radio operator interests, making it a great find for tinkerers who enjoy cheap microcontrollers and DIY data visualization.
• World's first brain prosthesis? [2025-04-10]
  World's first brain prosthesis? — a electronics page from wireheading.com. Listed in the weirdnet link dump.
• www.aimspice.com [2026-07-07]
  AimSpice appears to be a SPICE circuit simulation software site, offering tools for electronic circuit analysis and modeling. The minimalist page redirects visitors to the main document, suggesting a focused software or technical resource for electronics engineers and hobbyists.