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4 October 2013
08 TechKnowledgey 2013
Events, Advances, and News
Brain sparks, USB speeding up, a free 3D printer
(maybe), and digitizing the throne are just a few of
the hot topics discussed this time around.
12 PICAXE Primer
Sharpening Your Tools of Creativity
Getting Started With Python Programming.
We're going to begin our Raspberry Pi programming
experiments by implementing a simple "Hello
World!" program using Python, and then move on to
the basics of controlling the RPi's GPIO pins with a
Reader Questions Answered Here
A Tesla coil project, an infrared pulse amplifier,
a mini LTspice tutorial, a backup camera mod,
some newbie questions, and MailBag round out
this month’s coverage.
53 The Design Cycle
Advanced Techniques for Design Engineers
Programming the Brains Behind
CNC Milling Tools and Motors.
Whether you’re planning a custom CNC application
or an embedded monitor and control project, these
gizmos will help things add up in your automation.
61 Smiley’s Workshop
Programming • Hardware • Projects
Arduino Handheld Prototyper — Part 4.
See how to get user feedback from the keys and
display useful info on the LCD from the fresh
72 Open Communication
The Latest in Networking and
10 Things You Need to Know
Discover facts about this familiar wireless technology
that you may not already know.
Getting Out of Your
07 READER FEEDBACK
26 NEW PRODUCTS
68 NV WEBSTORE
78 TECH FORUM
81 AD INDEX
28 Build the Wireless Super Detector!
This project started out with a singular focus and
grew into a multi-purpose circuit with all kinds of
sensors for detection and alarm applications.
■ By Ron Newton
36 Build the LED Matrix Game Player
With a little imagination and a whole lot of time on
your hands, you can create simple — yet amazing —
action games you can play anywhere!
■ By Matthew Bates
44 Get Amp’ed Up Over the Theory Behind
Building a Headset or Power Amplifier
The last two issues have featured projects to
construct amplifiers with different purposes.
Read this to understand what makes them both tick.
■ By Ronald Anderson
48 MakerPlot — The DIY Software Kit
So, you’ve designed a microcontroller project.
How do you get data out of it or do any debugging?
Well, we’ve got the answer for you.
■ By John Gavlik and Martin Hebel