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This is only a preview of the May 2002 issue of Silicon Chip. You can view 28 of the 96 pages in the full issue, including the advertisments. For full access, purchase the issue for $10.00 or subscribe for access to the latest issues. Articles in this series:
Items relevant to "PIC-Controlled 32-LED Knightrider":
Items relevant to "The Battery Guardian":
Items relevant to "Build A Stereo Headphone Amplifier":
Items relevant to "Automatic Single-Channel Light Dimmer; Pt.2":
Purchase a printed copy of this issue for $10.00. |
Contents
Vol.15, No.5; May 2002
www.siliconchip.com.au
Shark Shield: Keeping The
Man-eaters At Bay – Page 16.
FEATURES
8 Fuel Cells: The Quiet Emission-Free Power Source
You will be amazed at the developments that are happening with fuel cells,
especially in transport. Your next car could have one as its power source –
by Gerry Nolan
16 Shark Shield: Keeping The Man-eaters At Bay
You strap it on for surfing, snorkelling and diving and it keeps you safe from
dangerous sharks – by Ross Tester
74 Wound Up About Energy
Freeplay: you wind it up to recharge your mobile phone’s battery or to power
a shortwave radio – by Gerry Nolan
PROJECTS TO BUILD
24 PIC-Controlled 32-LED Knightrider
A PIC processor simplifies the circuit and gives 12 different lighting patterns for
the 32 LEDs. You can use it as a rear window brake light or as an eye-catching
display – by John Clarke
32 The Battery Guardian
Don’t get caught with a flat battery; this easy-to-build circuit cuts off the power
to a 12V fridge or car stereo system if the battery voltage drops below a
critical level – by John Clarke
53 Build A Stereo Headphone Amplifier
It’s based on a single IC and can be used with the RIAA (turntable) preamp
described in our March 2002 issue (or anything else) – by Ross Tester
PIC-Controlled
Knightrider –
Page 24.
58 Automatic Single-Channel Light Dimmer; Pt.2
Second (and final) article has all the construction and setup details – by John
Clarke
76 Stepper Motor Controller
Use one of those surplus stepper motors with this cheap and easy-to-build
controller – by Ross Tester
SPECIAL COLUMNS
40 Serviceman’s Log
Stubbornness or tenacity of purpose – by the TV Serviceman
80 Vintage Radio
Battery Guardian: Stops Flat
Batteries – Page 32.
The AWA FS6 military transceiver – by Rodney Champness
DEPARTMENTS
2
4
30
57
71
Publisher’s Letter
Mailbag
Circuit Notebook
Subscriptions Form
Product Showcase
www.siliconchip.com.au
90
93
94
96
Ask Silicon Chip
Notes & Errata
Market Centre
Advertising Index
Stereo Headphone Amplifier –
Page 53.
May 2002 1
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