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Nuts and Volts Magazine - November 2011

Build The Battery Marvel


Features

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The Digilent Electronics Explorer - Review
by Bryan Bergeron
See if this all-in-one analog circuit design station is for you. Page 40

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LED Madness Contest Winners
Nuts & Volts LED Madness Contest winners announced! Page 44

Projects

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Replace Incandescent Lighting with LEDs
Nuts & Volts Special,
by Michael Day

This project shows how to use Texas Instruments products to change the incandescent light bulbs in a curio cabinet to energy-efficient LEDs. Page 30

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Build the Battery Marvel
Electronic Gadgets,
by Dave Decker

This easy-to-build 12V battery monitor will alert you well before your car, truck, boat, or motorcycle battery fails. Page 34

Columns

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Techknowledgey
by Jeff Eckert
TechKnowledgey 2011
Read up on things like doubling wireless capacity, a sauna in your pants, a new laptop, and HP calling it quits ... plus some other items of interest. Page 10

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The Spin Zone
by Jon Williams
The Spin Zone
Big Fun With Small LEDs. Page 14

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Q&A
by Russell Kincaid
Q & A
Some of the answers this month deal with a high power LED flasher, a solar controller, an LED flashlight, and a Lithium-Ion battery charger to name a few Page 22

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Smiley’s Workshop
by Joe Pardue
Smileys Workshop: An AVR C Programming Series (Part 40)
Digital I/O — Part 2. Page 22

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Near Space
by L. Paul Verhage
Near Space
An Antenna for Near Space. Page 54

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The Design Cycle
by Fred Eady
The Design Cycle
You CAN Do It With the chipKIT MAX32. Page 68