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Nuts & Volts Magazine

Teledyne/LeCroy - Wavesurfer 3000z - Biggest Touch - Best Value

Does Inductor Winding Have You Tied in Knots?

DOES INDUCTOR WINDING HAVE YOU TIED IN KNOTS?

While resistors and capacitors are easily procured and stocked, most RF circuits require inductors in a wide range of very specific values. In most cases, you need to create these yourself. Here are the principles behind inductance and some tricks that I’ve used to make my own inductors.

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If You Bought an ELECTROLYTIC or FILM CAPACITOR
From Distributors Since 2002
You Could GET MONEY From Settlements Totaling
Approximately $35 MILLION

Capicitors Direct Case - If you bought capacitors, you could get money. Hitachi, Soshin Electronics, Rubycon, Holy Stone and Nippon/United Chemi-Con have agreed to Settlements resolving claims that they allegedly fixed the prices of certain Capacitors. This may have caused individuals and businesses to pay more for Capacitors.

To receive information about the claims process or future settlements, register at www.capacitorsindirectcase.com.

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Control digital I/Os on a PIC microcontroller via your cell phone

CLIMBING THE LEARNING CURVE

Control digital I/Os on a PIC microcontroller via your cell phone

How a novice learned PIC microprocessor development and embedded C programming while building a circuit to talk to his cell phone.

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HELP A BROTHER OR SISTER OUT?

Stop by our Tech Forum and weigh in. We know y'all got skills and opinions. This is the place to share some knowledge or get some.


PROPER MOTOR SELECTION

I need some tips on selecting motors for an art project that continuously rotates five different circular platforms ...

NO WI-FI FOR THE PI

How can a Raspberry Pi be made to talk to IoT devices over low power FM rather than Wi-Fi? Looking for distances under 100 ft.

NEW LIFE FOR MAGNETS

Has anyone tried to revive permanent magnets that have weakened over time? What is the best method? Can they be made “good as new” or is it better to just replace them?

MEASURING HEAT WITH CRYSTAL DIODES

I have a bunch of crystal diodes in my junkbox that I want to use to measure heat. I seem to remember a circuit for it some years back that ...

SMOOTH LEDs

What makes some LED replacement bulbs dimmable, while others are not? Some of the replacements I have purchased do not dim very smoothly. They seem to dim in steps and then ...

TV IMAGE CAPTURE

What’s the best way to capture images from my TV? I’m looking to do something like a computer “print screen.”

PHONE LINE INTERCOM

We use our cell phones as our main phone service, so our “land line” is no longer being used. Is there a way to use the house phone wiring along with the old phones as a whole house intercom system?
ME Labs - Development Tools For PIC Microcontrollers - PBP3 Compiler

Build an Electronic Lock Using An Inductance Coil

BUILD AN ELECTRONIC LOCK

Here’s a simple and inexpensive electronic key system using an inductance coil you can incorporate into various projects that can be built with or without a microcontroller.

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Basic Biological Signal Monitoring with a Translational Reality Twist

BASIC BIOLOGICAL SIGNAL MONITORING WITH A TRANSLATIONAL REALITY TWIST

Build this inexpensive Arduino based heart rate monitor that you can use as an experimental platform to understand the basics of biological monitoring. As a bonus, learn how to use a translational reality interface to create an Orwellian PID controller.

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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."

pyrokev


Nuts & Volts On CD-ROM - Pick Your Favorites

NUTS & VOLTS ON CD-ROM

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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.

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

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