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December 2011

Nuts and Volts Magazine

Pill Sized Timers - Big Medicine For Your Little Projects

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Features

Pill Timers — Big Medicine for Your Little Projects

One of the neatest things about pill timers is their size, so you can easily add them to any of your projects, curing the headache of space issues.


The SparkFun ProtoSnap Pro Mini

Editor's review of the SparkFun ProtoSnap Pro Mini



Projects

Light Up Your Clothes With Wearable Electronics

Electronic Gadgets

Add a special kind of bling to your outfits with electroluminescent (EL) wire.


Build the RTC OSD for CCTV Recording

Circuits

Add a date/time stamp to your closed circuit television camera system with this real time clock-based on-screen display.



Columns

TechKnowledgey
by Jeff Eckert
TechKnowledgey 2011
The most complex ground-based observatory comes to life, a CPU sets a world clock record, and using an iPhone for medical imaging are just some of the current topics covered this time.

PICAXE Primer
by Ron Hackett
PICAXE Primer
Upgrading the recent serial LCD project.

Q&A
by Russell Kincaid
Q & A
Learn about a deer repellant circuit, a sine wave modulator, IR remote control, plus a lot of other stuff people have questions about.

Fundamentals For Beginners
Build an English Police Siren
This circuit lets you simulate the sounds of an English police siren by creating two different tones with a pushbutton switch.

Open Communication
by Louis E. Frenzel
Open Communication
Building a crystal radio — is it a sane thing to do?

Smiley’s Workshop
by Joe Pardue
Smiley’s Workshop 41: Digital I/O — Part 3
Digital I/O — Part 3-41 Bitwise Operations