N&V_2015-02.pdf

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February
2015
24
No-Nonsense Homebrew Annunciator
This handy little circuit for “announcing” news or
messages is an ideal project for beginners since
it’s all through-hole parts.
■
By Ron Newton
46
Designing Antenna Systems
Here are some thoughts on assembling a radio
antenna system that is focused on simple and
readily available components.
■
By John Belliveau KA1WRH
28
The 8x8 RGB LED Matrix Display
and the Arduino
Challenge your imagination with the vast
functionality available with this colorful display.
■
By Jerry Spring VE6TL
50
All About PIC Analog Comparators
Even though analog comparators are not especially
exotic, they certainly rate as one of the most useful
building blocks in a wide variety of circuits.
■
By Thomas Henry
32
MIDI Buddy
New to MIDI? Then, you need a
Buddy to experiment with and
learn about this musical protocol.
■
By Craig A. Lindley
56
Getting the Most from
Tech Support
With technology being such an integral
part of our lives these days, sooner or
later you’re probably going to have to
call for help with something. Here
are some suggestions on how to get the most from
your experience from one of the guys who answers
those phones.
■
By Chris Savage
39
A Simple FerroElectric Memory
Using some silicon magic, construct your very
own two-bit non-volatile memory to perform
experiments or utilize during operation of
a microprocessor.
■
By Joe T. Evans, Jr.
08
TechKnowledgey 2015
Read about a world’s record in data
transmission, a real time translator,
a new flavor of Pi, plus some other
interesting stuff.
Events, Advances, and News
60
The Design Cycle
Columns
Advanced Techniques for
Design Engineers
Numbats and Morays and Wi-Fi, Oh My!
Biologically, eels and anteaters are on the opposite
ends of the animal world scale. Convert them to
silicon and the combination of snouts, hair, teeth,
and scales makes for a pretty good W-Fi sensor node
development platform. This month's column takes
the brand new Moray Wi-Fi development board and
its Numbat networking module for a monitor and
control spin on the Internet.
12
Q&A
Reader Questions
Answered Here
Questions about the size of satellite dishes and why
there’s a lump in your power cable are answered.
16
The Spin Zone
Load and Go!
Adventures in Propeller Programming
68
Near Space
Approaching the Final Frontier
Discover a way to selectively run multiple
applications that wouldn’t normally fit into
32K of memory.
Never fear! Smiley’s Workshop will return next month ...
CubeSats — Part 2:
The Basic Subassemblies.
Learn about some of the kits and basic subsystems
that are now available for starting your own space
program using CubeSats.
Departments
06
07
21
23
SHOWCASE
72
Practical 3D Printing
67
74
77
78
81
ELECTRO-NET
NV WEBSTORE
CLASSIFIEDS
TECH FORUM
AD INDEX
DEVELOPING
PERSPECTIVES
One-Upmanship
READER FEEDBACK
NEW PRODUCTS
Real World Uses for the
Electronics Experimenter
A Custom 3D Printed Case
for CHIPINO.
Here’s an example of how to use
your 3D printer to design a custom enclosure.
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. POSTMASTER: 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; cpcreturns@nutsvolts.com.
4
February 2015
4 ANALOG + 16 DIGITAL CHANNELS
RAPIDLY DEBUG COMPLEX MIXED SIGNAL DESIGNS
USB 3.0
ULTRA DEEP MEMORY
SEGMENTED MEMORY
RAPID TRIGGERS
R
RAPID
MIXED SIGNAL
OSCILLOSCOPES
INCLUDES AUTOMATIC MEASUREMENTS, SPECTRUM ANALYZER, SDK,
ADVANCED TRIGGERS, COLOR PERSISTENCE, SERIAL DECODING
(CAN, LIN, RS232, I²C, I²S, FLEXRAY, SPI), MASKS, MATH CHANNELS,
ALL AS STANDARD, WITH FREE UPDATES . 5 YEAR WARRANTY
3204D MSO
Channels
Bandwidth
Buffer memory
Max. sampling rate
Signal generator
Digital inputs
60 MHz
128 MS
3205D MSO
2 analog, 16 digital
100 MHz
256 MS
3206D MSO
200 MHz
512 MS
3404D MSO
60 MHz
128 MS
3405D MSO
4 analog, 16 digital
100 MHz
256 MS
3406D MSO
200 MHz
512 MS
1 GS/s
Function generator + Arbitrary waveform generator
100 MHz max. frequency, 500 MS/s max. sampling rate
Call us at: 1-800-591-2796 www.picotech.com/pco536

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