Parts Houses vs eBay vs Electronics Surplus Stores

Many of us remember roaming the isles of our local electronics surplus store for cool, interesting, and hard to find electronic treasures to repurpose or otherwise breath new life into. Many have long since closed their doors and the only place to find the remnants of their shelves is on eBay and at the few remaining hamfests and flea markets.

What is/was your favorite go-to supplier for electronic parts? What about surplus?
What was your greatest unexpected find at an electronics surplus store and what did you do with it?
 

And as usual, a big Thank You to this week's advertiser - ME LABS. Be sure to check 'em out.

That's It. Enjoy! 
Finding Your Tone
FINDING YOUR TONE

Most of the projects described in Nuts & Volts can be built with readily-available, relatively inexpensive components. Thanks to extensive libraries of the latest chip and surface-mount components, a layout is seldom more than a few dozen mouse clicks away. However, when it comes to tube-based projects, it's a different matter.
    
The much anticipated PBP3.1 Upgrade from M.E. Labs is available NOW! 
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PICBASIC PRO Compiler
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Why you need an analog front end and how to set it up
WHY YOU NEED AN ANALOG FRONT END AND HOW TO SET IT UP

The analog input to an Arduino Uno has a resolution of only 10 bits. On a 5V scale, this is only about 1 mV of sensitivity. If you need more sensitivity, don't look at another microcontroller. Look at adding an analog front end to your Arduino.   
   
Trapezoidal Light Fader       
I am looking for a ramp generator, sort of. The ideal circuit would have a button which, when pushed, would ramp up the output voltage, then ...      
Build the Batesla coil
BUILD THE BATESLA COIL

I was recently looking at Tesla patents that describe the infamous Tesla coil and wondered how Mr. Tesla would have implemented his concept of wireless energy transmission if he had access to 21st century electronic parts like transistors and dielectrics.   
      
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Radio Waves and Propagation
RADIO WAVES AND PROPAGATION: PART 2 - RADIO HORIZON

Not only hams can take advantage of radio propagation - everybody has a chance to experience some very interesting ways of interacting with the natural world through wireless. Let's put that know-how to work!            
I have hearing aids that have three modes - including something called Telecoil. The manual says it is for answering the telephone. But, it also said it can be used in places that have an "induction loop" system ... 
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SERVO Magazine is the universe's longest running hobbyist magazine for robotics. Being a spin-off of Nuts & Volts (the universe's longest running hobbyist magazine for electronics, still in print), SERVO is the perfect companion to NV with more of the same great content, only geared toward robotics.

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Arduino Projects for Amateur Radio
Book Pick Of The Week
From the Nuts & Volts Webstore
 
No programming experience necessary! 
 
Learn from veteran ham radio operators how to use microcontroller projects to increase the functionality and value of your ham radio without spending a lot of money. 
 
A sampling of some of the useful projects you can build:
  • LCD shield
  • Station timer
  • General-purpose panel meter
  • Dummy load and watt meter
  • CW automatic keyer
  • Morse code decoder
  • PS2 keyboard CW encoder
  • Universal relay shield
  • Flexible sequencer
  • Rotator controller
  • Directional watt and SWR meter
  • Simple frequency counter
  • DDS VFO
  • Portable solar power source
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