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Metal Detector Circuit
Audio Compact Disk - An Introduction
Illustrated class lecture notes that cover manufacturing of stamped CDs and details of laser pickup...
Spy Emporium Houston Digital Audio Recorders texas Analog Tape ...
Recorders, debugging, countersurveillance, hidden cameras and microphones.
Telekinesis
How to work with telekinesis from the Crystalinks site.
Open Sesame Garage Door Repair and Replacement Parts
Garage door openers, remote controls, circuit boards, and repair parts.
555 Timer/Oscillator Tutorial
An excellent extensive tutorial. Includes history, timing and logic diagrams. With numerous replacement...
Amateur SETI: Project BAMBI
Design, construction, and initial observational results of a 4-GHz amateur radio telescope with circuit...
Nine Gal Tavern
The archaeology of a pre-Civil War tavern in east-central Illinois. A model for tracing the evolution...
Hobby Circuits, The Hobby Corner, Imagineering On-line Magazine
Hundreds of useful, simple circuits; easy to build and easy to undestand.
Information on Abel and Ringleader sensors
Devices to detect the position of a swinging bell for use with software or hardware simulators.
Troy Custom Metal Detectors, Inc.
Information on the Shadow line of detectors - X3 and X5. Includes specifications, manuals and a user forum.
GUIDELINES FOR WORKPLACE VIOLENCE PREVENTION PROGRAMS
Guidelines for workplace violence prevention for healthcare workers in institutional and community settings.
WD5HOH REGENERATIVE(REGEN) RADIO RECEIVER: THE TEXT IS FIRST, THE ...
Text, schematic diagrams and color photographs of do-it-yourself, homebrew shortwave regenerative...
Tinytec Professional Metal Detecting Probes - All Models;
Information site on a range of electronic detecting probes and holsters.
Hammarlund HQ-150 Hammarlund HQ-160
Favorite Tube-Type Shortwave Receivers from DXING.COM Specs and information.
Ocean State Electronics
New and hard to find electronic components, kits, test equipment, and accessories..
LNS Technologies electronic kits
Sells do-it-yourself hobby electronic kits.
Barry's Magnetic Levitation
How to design a magnetic levitation demonstrator using photodetectors and electronics to control an...
North Country Radio Home Page
Kits, including transmitters and receivers. Technical articles and information on electronic subjects...
JBSales Inc. Home Page
Supplies electrical and telecommunications products serving Mid-Atlantic States.
AR-2 Receiver
A large list of Heath radios with pictures and descriptions.
Methanometers and Flammable Gas Detectors site sponsored by App ...
Site dedicated to methanometers and portable gas detectors used primarily in the underground coal...
americansecurity.net homeland security antiterrorism bomb ...
Features body armor, safes, fingerprint recognition mice, locks, as well as detection systems for...
Semiconductor OneSource: Semiconductor Glossary
Explanation of key terms in semiconductor materials, processes, and devices.
Basics of High Voltage Probe Design
Covers theory, tips, pratical advice, sources, parts, links to other sites, and information about...
Scott's Crystal Radios and Antique Headphones
Scott Balderson has a Headphone Museum and phones for sale. Also Crystal Radios and Test Equipment.
Encyclopedia of technical terms (AZ) - Encyclopedia of technical ...
English, German, French, Spanish. Types, features, components, and internal workings of power tools....
Science & Technology at Scientific American.com: Detecting the ...
An article from Scientific American 1999 about the field mill voltmeter and the results on Earth's...
Physique & industrie - Research under Contract
Manufacturer of many types of pulsed power supplies. 50 GW peak. What a quarter crusher that would make.
Chapter 4: Radio
Several simple radio receiver projects, including the razor blade "foxhole" radio, that use found...
COMLOCK - Los Angeles Locksmith, Riverside Locksmith, Orange ...
Traditional lock hardware, safes, residential and commercial burglar alarms, closed circuit TV, electroni...
Robot Room - Sweet Line Following Robot
Details the construction of a line following robot. Includes video clips of the vehicle.
CR6A Receiver
Military surplus from Australia. Article about this all-band receiver.
Digital CCTV cameras and equipment, Including digital video ...
Suppliers of CCTV equipment for home or business use.
Lasers: Safety, Diode Lasers, HeNe Lasers, Drive, Info, Parts
FAQ-like text covering the safe operation and creation of homemade lasers.
Radiation Detection and Experimentation Page
Interesting experiments one can perform with homemade radiation detectors, and how to build them.
AR88 receiver
Specifications, photos and history of this rugged WW2 era receiver.
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