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Metal Detector Circuits
CARCO Pty Ltd (Rain/Frost/Snow/Ice Sensors)
Manufactures infra-red sensors for adaptive defrost controls, wing ice detectors, windshield rain,...
Telekinesis
How to work with telekinesis from the Crystalinks site.
Barry's Magnetic Levitation
How to design a magnetic levitation demonstrator using photodetectors and electronics to control an...
Midwest Treasure Hunters
Forums to discuss finds, get help with researching sites, and post your photos.
Motors & Controls Warehouse Adjustable Speed Drives AC & AC Vector ...
Sells customer designed motors and controls products.
WD5HOH REGENERATIVE(REGEN) RADIO RECEIVER: THE TEXT IS FIRST, THE ...
Text, schematic diagrams and color photographs of do-it-yourself, homebrew shortwave regenerative...
AR88 receiver
Specifications, photos and history of this rugged WW2 era receiver.
Hallicrafters Model SX-88 Communication Receiver (1954)
Loads of information, diagrams, specifications, and pictures, for the Hallicrafters Model SX-88 Communica...
Hammarlund HQ-150 Hammarlund HQ-160
Favorite Tube-Type Shortwave Receivers from DXING.COM Specs and information.
CR6A Receiver
Military surplus from Australia. Article about this all-band receiver.
Amateur SETI: Project BAMBI
Design, construction, and initial observational results of a 4-GHz amateur radio telescope with circuit...
Hot rodding AA5 radios
How to make vast improvements in the typical "All American Five" tube receiver.
home page of, JF1OZL QRP,HAND MADE AMATEUR RADIO,paper model;name ...
Amazing ham radio homebrew pages. Very interesting designs.
Makers of Boat Anchors
List and description, includes: B and W, Central Electronics, Collins, EF Johnson, Gonset, Hallicrafte...
WELCOME TO OXFORD INSTRUMENTS PLC
Major international instrumentation company, including many instruments and equipment for cryogenic...
Electronics 27
A huge site with lots of useful information.
Traffic Manual - Ch. 9 - Traffic Signals and Lighting
Restricts wattage, height and shielding on highway lighting.
AR-2 Receiver
A large list of Heath radios with pictures and descriptions.
PhysOrg.com : Latest Physics Research News, Recent Technology ...
ndt.net
Hobby Circuits, The Hobby Corner, Imagineering On-line Magazine
Hundreds of useful, simple circuits; easy to build and easy to undestand.
Ocean State Electronics
New and hard to find electronic components, kits, test equipment, and accessories..
555 Timer/Oscillator Tutorial
An excellent extensive tutorial. Includes history, timing and logic diagrams. With numerous replacement...
RF Cafe - Homepage
Focuses on developing new laser-based diagnostic techniques and on the use of lasers as a diagnostic probe.
Telephone interfacing circuits
All about telephones, circuits, theory, tips and tricks for interfacing.
US Microwaves - Manufacturer of thin film MIC technology circuits ...
Custom thin film circuits, spiral chip inductors, MNOS and MOS ceramic capacitors. Schottky, PIN,...
Chipdir - Manufacturers of sensors
Designers and manufacturers. Some very interesting sites here.
Tony's Marine Aquarium
Set up information and pictures of an Aussie Melbourne 5ft marine fish and invert aquarium. Includes...
LNS Technologies electronic kits
Sells do-it-yourself hobby electronic kits.
Scott's Crystal Radios and Antique Headphones
Scott Balderson has a Headphone Museum and phones for sale. Also Crystal Radios and Test Equipment.
Air Mursley Tower
An historic article about an aircraft crashing into the tower killing 4 crew during WW11.
Basics of High Voltage Probe Design
Covers theory, tips, pratical advice, sources, parts, links to other sites, and information about...
Lasers: Safety, Diode Lasers, HeNe Lasers, Drive, Info, Parts
FAQ-like text covering the safe operation and creation of homemade lasers.
vk2zay's website
Alan Yates VK2ZAY homebrew amateur radio site, various RF related projects. Updated frequently with...
Robot Room - Sweet Line Following Robot
Details the construction of a line following robot. Includes video clips of the vehicle.
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