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October 2012

Nuts and Volts Magazine

The Remote Data Logger & Surveillance Cam

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Projects

Build a MIDI to Logic Controller

Convert MIDI on and off signals to logic levels without having to deal with assembly language, complex programming circuits, or microcontroller architectures.


Remote Data Logger & Surveillance Cam

Communications/Radio, Computer Related

Need to keep an eye on something but can’t be there in person? This remote monitor features visual and messaging feedback.



Columns

PICAXE Primer
by Ron Hackett
Measuring a PICAXE Processor’s Internal Temperature
In this month's Primer, we're finally going to take a look at the new M2-class readinternaltemp command.

The Design Cycle
by Fred Eady
Building an Intelligent Data Radio
Before we’re done, I am going to show you how to scratch-build a data radio using an RF IC that is melded with a microcontroller.

Open Communication
by Louis E. Frenzel
Near Field Communications
What do we mean by "short?" For cellular, short may be a mile or so. For Wi- Fi, short means less than 300 feet. Bluetooth and ZigBee are even shorter with a maximum range of about 30 feet.

TechKnowledgey
by Jeff Eckert
Events, Advances, and News
The world’s lightest material, batteries that offer 20+ years of operation, and deals on used equipment are just some of the items discussed.

Q&A
by Russell Kincaid
Reader Questions Answered Here
Topics this time include an extra loud car turn signal, a regenerative shortwave radio, and a stethoscope amplifier, just to name a few.

Smiley’s Workshop
by Joe Pardue
Smiley’s Workshop 51: Fritzing With the Arduino — Part 3
So, after three weeks our PCB arrived and it works! Let’s take a look at it and then go a bit further with Fritzing to start learning how to make parts. Part 51