Nuts & Volts (ISSN 1528-9885/CDN Pub Agree #40702530) is published monthly for $26.95 per year by T & L Publications, Inc., 430 Princeland Court, Corona, CA 92879. PERIODICALS POSTAGE
PAID AT CORONA, CA AND AT ADDITIONAL MAILING OFFICES. POS TMAS TER: Send address changes to Nuts & Volts, P. O. Box 15277, North Hollywood, CA 91615 or Station A, P. O.
Box 54, Windsor ON N9A 6J5; firstname.lastname@example.org.
6 October 2014
10 TechKnowledgey 2014
Some of this month’s topics include different types
of refrigerator magnets, better satellite images,
adding Wi-Fi to your Arduino, and wearable
cameras, just to name a few.
Reader Questions Answered Here
Issues regarding measuring current with a clamp-on
ammeter and outdoor reception of TV audio
18 The Spin Zone
Adventures in Propeller Programming
Bring your Halloween (or any holiday) props to life
with the magic of circuits and code using
56 Near Space
Approaching the Final Frontier
Wiring and Testing the BalloonSat Extreme
More progress is made on our platform that will
give advanced students practice integrating
experiments into a single near space vehicle.
60 The Design Cycle
Advanced Techniques for
Building a ZigBee HAN.
ZigBee has finally come home. This month, we will
lay the groundwork for installing a ZigBee Home
Automation Network. Our HAN can be accessed
from the living room LAN or from anywhere in the
world via the Internet.
67 Smiley’s Workshop
Programming • Hardware • Projects
The Arduino Classroom.
Arduino 101/Chapter 9: Keeping Time.
Take a much higher level look
at computer time keeping,
and learn to use some very
available for the Arduino.
29 Hotrod Your Electric Guitar with Active Tone Controls
Retrofit your plain Jane guitar with the controls
it deserves to give you a fuller range of bass, mid,
and high end color.
■ By Thomas Henry
34 Build the Light Appliance
This IR remote controllable 32x32 RGB LED display
does way more than just flash pretty lights.
■ By Craig A. Lindley
40 1963 Zenith MK2670 Stereo Repair
Vintage gear is very special, and has the advantage
of simplicity so that even hobbyists can work on it.
See how this particular stereo console got a facelift
with a mix of old and new technology.
■ By J. W. Koebel
46 Prop Dropper 2
Check out this upgrade to a favorite project that will
give you twice the scare power for Halloween.
■ By Chris Savage
51 Haunting with Video Projectors
A new trend in creating holiday displays is using
■ By Anthony Petrone Columns
Don’t Get Stung
by a Wall Wart
08 READER FEEDBACK
26 NEW PRODUCTS
76 TECH FORUM
78 NV WEBSTORE
81 AD INDEX
Go to the NV website to read
Anthony’s other fun project,
the Ghost Phone.