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April 2013

Nuts and Volts Magazine

Arduino Meets Vacuum Tube - The Retro Shield

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Features

How to Make Professional Looking Control Panels and Enclosures — Part 1

Don’t you hate it when you’ve worked really hard on a project, only to have the finished product look like a six year old put it together? This tutorial will show you a cheap and easy way to make great looking panels and enclosures when you aren’t able to utilize professional services.



Projects

The Retro-Shield: Where the Past Meets the Present

Combine a vintage vacuum tube with an Arduino for an updated version of an AM broadcaster.


Hacking the Nine-LED Flashlight

Electronic Gadgets

The simple circuit in these now common flashlights actually eats through batteries pretty fast. This hack adapts the flashlight to use an external power source, and adds a pulsed driver circuit for better efficiency.



Columns

TechKnowledgey
by Jeff Eckert
Events, Advances, and News (4.2013)
Tapping into tap water, a super “duper,” and core memory’s 60th anniversary are just a few of the things you’ll read about this time.

PICAXE Primer
by Ron Hackett
Experimenting With Parallel Task Processing
All M2-class processors include this new software feature that allows them to simulate a multi-core processor by rapidly switching between two or more separate tasks.

Q&A
by Russell Kincaid
Reader Questions Answered Here
Topics include a pet trainer, bandpass filters, a push on/push off circuit, a DC servo, a voltage reducer, plus Mailbag.

Smiley’s Workshop
by Joe Pardue
Smiley’s Workshop 57: The Arduino Proto Shield Alarm Clock — Part 4
Have we been learning how to use Fritzing or learning to use the proto shield, or learning to design an alarm clock? The answer is yes — we were doing all of that! Part 57

The Design Cycle
by Fred Eady
Walking the USB Bridge into Androidville
FTDI gave us the power to easily embed USB functionality into our projects with the FT232RL. The FT311D USB Android host IC enables us to walk across the USB bridge that FTDI built into Androidville.

Open Communication
by Louis E. Frenzel
60 GHz Wireless Transports HDTV
Transmitting uncompressed digital high definition television signals is no easy task. Learn about the technologies that are currently being used to accomplish these transmissions.