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December 2010

Nuts and Volts Magazine

Build Your Own Harry Potter Style Wizard Dueling Wands

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Features

Enhanced User Interface for the 16-Bit Micro Experimenter

Enhance the Experimenter user interface with a rotary encoder using the PIC24F timer peripheral set and its interrupt capability.


The Projects of Prototype This!

Joe Grand takes a closer look at the electronic aspects of his different builds from the popular Discovery Channel show Prototype This! This time, it’s the wristband GPS transmitter.



Projects

Put a Temperature Sensor in Your Next Arduino Project

This particular application is for a compost monitoring device, however, you’ll learn ways to incorporate Dallas temperature sensors into your own Arduino builds.


Wizard Dueling Wands

Your kids will think you’re a wiz when they’re able to recreate their own Deathly Hallows with these unique dueling wands.



Columns

TechKnowledgey
by Jeff Eckert
TechKnowledgey 2010
Touchable 3D TV, free dupe remover, another win for relativity, plus other stuff you’ll find interesting.

PICAXE Primer
by Ron Hackett
Introduction to the PICAXE-18M2 Processor
As promised, in this month’s Primer we’re going to take our first look at the new PICAXE-18M2 processor. If you read the brief “teaser” of new 18M2 features that I included in the previous installment, you already know that it’s an impressive processor, to say the least.

Q&A
by Russell Kincaid
Q & A
Lightning protection circuit, fan control, op-amp tester, plus more.

The Design Cycle
by Fred Eady
Still Rockin’ the microSD Card
took a while, but paper punch cards finally bit the dust. Good old RS-232 is in the rocking chair, as well.These days, thanks to the microcontroller industries’ hardware refinements and ready-to-run library code, putting a USB portal online is just as easy as building an RS-232 interface.

Smiley’s Workshop
by Joe Pardue
Smiley’s Workshop 29: SPI and the AVR Butterfly DataFlash
Creating some AVR software and hardware SPI function libraries. Part 29

Open Communication
by Louis E. Frenzel
Open Communication
Update On the Mobile Wireless Products We All Crave.

Departments