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May 2013

Nuts and Volts Magazine

Getting Started With Matrix LEDs

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Features

Getting Started With Matrix LED Displays

For a bold and eye-catching output display in your next electronic masterpiece, consider exploiting a matrix LED device.


How to Make Professional Looking Control Panels and Enclosures — Part 2

Details on the ways to print completed graphics and transfer them to the final panel material are covered.



Projects

Hack an LED Desk Lamp

Electronic Gadgets

Turn an ordinary lamp into a battery operated emergency light.


Raspberry Pi Based Remote Temperature Monitoring System

Electronic Gadgets

Learn how to integrate 1-Wire temperature monitoring hardware with the Raspberry Pi.



Columns

TechKnowledgey
by Jeff Eckert
Events, Advances, and News (5.2013)
Rainbow on a chip, farewell to botulism, enhanced security from Dell, GIMP is good, get Cubified, flash for mobile phones, BIG screen TVs, and IEEE member predictions.

The Spin Zone
by Jon McPhalen
A QuickStart to Propeller Fun
This low cost platform should be a part of every hobbyist’s arsenal.

Q&A
by Russell Kincaid
Reader Questions Answered Here
Questions on a synthesis circuit, IC chips, grounding problems, resistor values (for light/dark), power supplies, and Kodak photoresist and developer are answered.

The Design Cycle
by Fred Eady
Controlling Homebrewed Devices With a PS DualShock 3
What can you do with a wireless Play Station controller?

Near Space
by L. Paul Verhage
LED Photometers Revisited
Build a better light intensity measuring device.

Smiley’s Workshop
by Joe Pardue
Smiley’s Workshop 58: Fritzingduino — Part 1
Our journey continues as we incorporate both the Arduino core circuits and shield circuits into a single design, using a single PCB, to roll our own Arduino. Part 58