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Contents
Vol.30, No.6; June 2017
SILICON
CHIP
www.siliconchip.com.au
Features & Reviews
12 The Flettner Rotating Sail and the Magnus Force
When the wind blows on a rotating surface, strange forces are generated. It’s
called the Magnus Force and a century-old application, the Flettner Rotating
Sail, is currently being trialled on some huge ships – by Ross Tester
38 LTSpice – simulating and circuit testing
SPICE is a powerful, yet easy-to-use tool which allows you to use a computer
to simulate how a circuit will behave without actually having to build it. We show
you how to use this FREE program – by Nicholas Vinen
78 Getting Started with the Micromite, Part 4
This month we look at some of the more specialised Micromite features, such as
power saving, using touch-sensitive LCD panels and handling button presses,
storing data in non-volatile memory and interrupt routines – by Geoff Graham
It all started when Flettner fitted
rotating masts to a ship and sailed
it across the North Sea. Now large
ship-owners are taking notice
– Page 12
86 Review: Keysight’s 9917A 18GHz Spectrum Analyser
This portable powerhouse has far more features and options than anything else
we’ve seen – in fact, we couldn’t even play with all of them in the short time we
had. But what we did try left us very impressed – by Nicholas Vinen
Constructional Projects
Woops – wrong Spice! But LTSpice
can help you understand complex
circuits without building them
– Page 38
18 All-new 10-Octave Stereo Graphic Equaliser
Not only does it look pretty snazzy in its laser-cut black acrylic case, it has
performance to match. But the really good news is it’s much cheaper than earlier
designs and (despite using some SMDs) is easy to build – by John Clarke
28 Arduino-based Digital Inductance & Capacitance Meter
It will measure inductance (L) from 10nH to 100mH+ and capacitance (C) from
1pF to 2.7uF – much more accurately than DMM-based units. Based on an
Arduino Uno (or equivalent) it also offers digital readout – by Jim Rowe
61 El Cheapo Modules, Part 7: LED Matrix displays
It has a MAX7219 serial LED display chip and comes complete with a plug-in
8x8 LED matrix display. But it can also drive an 8-digit 7-segment LED display
– by Jim Rowe
WOW! Our new
Stereo Graphic Equaliser not only
looks the part . . . it has specs that
match its appearance – Page 18
66 New Marine Ultrasonic Anti-Fouling Unit, Part 2
Last month we introduced our new Ultrasonic Anti-Fouling Unit to keep barnacles
(and other marine growth) under control. Now we get onto the good part: putting it
all together and mounting it in your boat – by John Clarke
Your Favourite Columns
46 Serviceman’s Log
Fixing the food processor that wouldn’t – by Dave Thompson
94 Vintage Radio
You asked for
more Arduino projects . . . well,
here’s an Arduino-based Digital
Readout LC Meter that’s accurate
and easy to build
– Page 28
HMV’s 1951 portable model B61D – by Associate Professor Graham Parslow
100 Circuit Notebook
(1) Low power switched capacitor DC/DC converter for rechargeable batteries
(2) PICAXE-based dual temperature datalogger
(3) Arduino 3D printer heat bed controller
Everything Else!
2 Publisher’s Letter
4 Mailbag – Your Feedback
siliconchip.com.au
92 Product Showcase
104 SILICON CHIP Online Shop
106
111
112
112
Ask SILICON CHIP
Market Centre
Advertising Index
Notes and Errata
If you own a decentsized boat, you must read
our article on building a highperformance Ultrasonic AntiFouling Unit – Page 66
June 2017 1
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