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Nuts & Volts Magazine

ROHDE & SCHWARZ - 250 MHz Oscilloscope - Experience it for yourself - Get a 30 day FREE trial

1963 Zenith MK2670 Stereo Repair


Preserving a piece of stereo history, a tube console stereo repair story.

Vintage gear is really special. There's just nothing like the unique sound, look, and feel of an old tube hi-fi glowing away and playing your favorite record. Unlike a lot of modern gear, they can still be worked on and fixed up by a dedicated hobbyist.

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Build A Numitron Clock

Light Bulbs, LEDs, and Circuit Junctions


I was working on a project with different colored LEDs. Putting them in parallel across a power supply was simple but puzzling, because the different colored LEDs simply wouldn't light properly. I now know why, and it appears that driving (different colored) LEDs in parallel directly from a DC power supply was simply not a good idea. This article will explain why.

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Digital Oscilloscope

– More Than Just an Oscilloscope

ROHDE & SCHWARZ 250 MHz Oscilloscope - Experience The Difference - Get A FREE Trial The R&S®RTB2000 Oscilloscope is the perfect tool for design debugging. Get 10-bit ADC, 10 Msample memory, and 10.1” touchscreen plus a smart user interface. It’s the Power of 10 at an unexpected price.

View Specs & Applications

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USB Media Player Controller


RECYCLED ELECTRONICS — Giving New Life to Old Tech!

This 'Recycled Electronics' build uses a knob assembly that began its life as the control for a Sharp VCR to create a controller for the Windows Media Player.

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Nuts & Volts On CD-ROM - Pick Your Favorites


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RF Oscillators


Every signal begins with an oscillator — In ham radio, the oscillator is a key element in generating signals, mixing them together, and extracting the information from them. Let's see how to make an audio oscillator, plus learn about common RF types.

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The Arduino Graphics Interface

Analog Style LED Clock - Learn Charlieplexing

"Beautiful kit, informative manual, striking finished product. This came nicely packed, components in separate well labeled bags. you could see the components were high quality. I had a nice Heath-kit flashback assembling it. Great fun and it looks good."


Subscribe to SERVO - For The Best In Robotics!Robots - The Ultimate Electronics Application!

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.

If you love robots and tech, then SERVO is for you!

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