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NTSC-TV.com is a 1999-era technical reference that explains scanning, sync, bandwidth, color encoding, VCR signals, and the political and engineering battles behind compatible American color television.
Electronixandmore began in late 1999 as a small AOL-hosted antique-radio page and grew into a hand-built online museum of radios, televisions, computers, projects, and disappearing electronics technology.
Australian Valve Amps has spent more than twenty years documenting Australian and New Zealand guitar and PA amplifiers with circuits, photographs, repair notes, safety guidance, oddities, and hand-coded HTML.
LeapSecond.com answered the phrase ‘atomic wristwatch’ literally by strapping a Hewlett-Packard 5071A cesium frequency standard to a man’s arm.
In January 2003, Jean-Louis Naudin put a mouse named Orville aboard a high-voltage electrokinetic lifter and documented the flights on the Web.
Manfred Mornhinweg's Homo Ludens homepage branches into amateur radio, antique radios, electronics, flying, photography, music, model airplanes, mechanics, kayaking and more.
Grant Searle's Tele-Tennis page preserves a working reconstruction of a 1974 television game built from logic gates, timers, op-amps, and patience rather than software.
Chris Long and Mike Groth's Modulated Light DX pages preserve decades of amateur optical communication experiments, including a 167-kilometer audio-modulated light link across Tasmania.
Pete Millett's long-running DIY audio site publishes tube-amplifier projects, schematics, PCB information, measurements, parts lists, and technical documents for builders who still prefer a soldering iron to a sealed black box.
Nigel Tout's Vintage Calculators Web Museum is an old specialist reference whose model pages and research have been cited by the Smithsonian, the Library of Congress, collectors, and other calculator historians.
Giangrandi's personal engineering site has been online since 2002, collecting electronics projects, radio work, optics, mechanics, calculators, measurement techniques, and practical explanations in durable hand-built pages.
C.Y.KONG's synth pages document years of hands-on modifications to analog synthesizers and drum machines, including internal MIDI-to-CV conversions, filter control, CV and gate changes, rack conversions, and the occasional attack on a hated captive mains lead.
Kenneth A. Kuhn's privately run HP museum documents more than 450 pieces of vintage Hewlett-Packard test equipment alongside manuals, catalogs, journals, restoration notes, and company history.
Antenna-Theory.com turns topics such as VSWR, baluns, radiation patterns, Smith charts and Maxwell's equations into a large practical tutorial written by an experienced antenna engineer.
Stephen Ostler's Radiocraft site preserves detailed restoration work on pre-1962 British radios and televisions, including 1930s sets, Bush TV22s, 405-line television and the 1990s Retrovisor.
Colin Pykett's long-running pipe and electronic organ site has grown to more than 120 technical articles, roughly 900,000 words and hours of recordings without ads, popups or tracking.
A Boston University CS module first developed in 1995 walks from transistor switching to NOT, NAND, NOR, AND, OR and XOR using diagrams, truth tables and a faucet analogy.
A surviving LED Art page documents Turbulence, a four-foot acrylic sculpture that translated tiny air movements into changing red, green and blue light.
Krazer Lasers preserves a hobbyist's deep archive of surplus lasers, Tesla coils, rocketry and electronics projects with the kind of specific photographic documentation that usually disappears first.