USA

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Some things you can find there -CB & Ham radios, Walkie-talkie (GMRS/FRS) radios and Shortwave & multiband radios.

RadioShack- Audio Video Electronics

The company was started as Radio Shack in 1921 in Boston, Massachusetts, by two brothers, Theodore and Milton Deutschmann, who wanted to provide equipment for the cutting-edge field of amateur, or ham radio.

RadioShack- Audio Video Electronics

Theodore and Milton Deutschmann opened a one-store retail and mail-order operation in the heart of downtown Boston. They chose the name, “Radio Shack,” which was a term for the small, wooden structure that housed a ship’s radio equipment. The Deutschmanns thought the name was appropriate for a store that would supply the needs of radio officers aboard ships, as well as “ham” radio operators.

The first 40 years – RadioShack Corporation – Wikipedia

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These pages are extremely useful for an entry into the Robotics Wonderland, a little electronics ability is enough for you to start learning robotics. Robotics is the only science that covers everything almost .. Mechanical, Electrical, Electronics, Embedded, Computing, Networking, Automation and Wireless Technologies. Some advanced robots include probably every science and skill known to mankind. So make a start today. Learn Robotics!

Robotics Notebook of Chuck McManis

Robotics Notebook of Chuck McManis

PIC Programming using USB, Ant Weight Speed Contro ller, LCD Diagnostic Console,

Robotics Projects : Index

  1. Tools for Robots
  2. The ARBE-ONE Robot
  3. The High Power Speed Controller
  4. H-Bridge tutorial
  5. The Servo Gizmo

Home Brew Robotics Club – Resurrected from the ashes of the original HomeBrew Computer Club by a group enthusiasts who were interested in the emerging field of robotics. Meets at Carnegie-Mellon West campus, Building 23 inside the NASA Research Park (NRP) complex in Mountain View, California.

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“I present, below, a collection of projects I have worked-on over the past few years. For over a decade, I had taught both embedded systems (microcontroller technology) and digital signal processing and practice what I preach….”

Professor Mark Csele – Projects and Hobbies

Nixie Thermostat – A heating and cooling thermostat employing technologies spanning fourty years from the unique Nixie tube display, circa 1960’s, to a PIC 18F microcontroller, circa 2006.

A High-Powered Power Backup Inverter

A High-Powered Power Backup Inverter – The working prototype of the 2 KVA inverter is complete. Fed from an array of lead-acid cells totalling 600 Ah (at 12 Volts), it easily drives real-world loads such as single-phase motors. The inverter has been tested and found to operate at an efficiency of between 71% and 82% driving a variety of both inductive and resistive loads

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PJRC Electronic Embedded Systems Projects with parts  Paul and Robin’s Home offers free technical design data and detailed instructions for building them. Useful for Education. .

PJRC – Embedded Electronic Projects

The Teensy is a complete USB-based microcontroller development system, in a very small footprint, capable of implementing many types of projects. All programming is done via the USB port.

Teensy USB Development Board

Version 3.6 features a 32 bit 180 MHz ARM Cortex-M4 processor with floating point unit. All digital and analog pins are 3.3 volts. Do not apply more than 3.3V to any signal pin.

Teensy USB Development Board

8051 Tools,  8051 Development Circuit Board, PAULMON2 Monitor Program, AS31 Assembler & SDCC C Compiler, Code Library.

8051 Resources And Projects

delabs Notes –

What better way to learn the uC, than by Building your own Musical Instrument or Music Player. More Motivation than you can ask for.

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RoboBrrd is an animatronic character designed to be utilized as a tangible physical interface to interact with learning applications for elementary school students. A Smart Robot Bird. A Edutainment aid Bot Avian.

RoboBrrd from RobotGrrl

Impy RoboBrrd – Nicknamed ‘Impy’, short for ‘Important’. This is the latest RoboBrrd, and the official prototype that sparked the creation of an Instructable and intense documentation for the RoboBrrd robots! Impy uses a standard Arduino as a brain and has a NFC reader to see what hats it is wearing.

RoboBrrd from RobotGrrl Erin

With RoboBrrd being a tangible physical interface, the students will interact with RoboBrrd to control the in-game character within the learning application, and RoboBrrd will motivate the students to keep playing with chirps and celebratory dances. Different behaviours in RoboBrrd will be unlocked for every level that is beat,

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Here are some Metal Detector Projects that are quite interesting for the purpose of education and experiments in the Art of electronics. This site may be as old as Y2K, but the url / domain may have changed.

Metal Detector Projects

If you are interested in the theory behind the mag I can highly recommend the book The Magnetics Measurement Handbook by J.M. Janicke. Besides a good coverage of magnetics theory, it contains much of what you need to build a useful fluxgate Magnetometer, plus other devices.

Traditional Geophysical instruments include ground-penetrating radar, earth resistivity meter, infrared, and sonar, to name a few. Currently, earth resistivity projects are the most practical for the do-it-yourselfer, although some people have been tinkering with side scan sonar.

Metal Detector Projects

Detection of Gold

Just the Jeohunter really works and directly detects Gold – see below screen. And even gold-worth 9-15cm diameter cannon-balls get detected as “Gold” (golden ring & cannonball analyses has identical values), but thats because of the huge metal mass and special shape – alot MDs have “problems” in such situation and perhaps only a magnetometer really works here. btw. there is no difference if you search with Ground Balance minus 200, zero or plus 200, the gold detection always remains the same.

Detection of Gold - Metal Detection

There are historical records of DIY Enthusiasts having created what is known as the “Donkey Kong Gold Hunter”. This Gold Detector uses a Nintendo Unit after many Mods.