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This is only a preview of the April 2007 issue of Silicon Chip. You can view 36 of the 104 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. Items relevant to "Build A Jacob's Ladder":
Items relevant to "GPS-Based Frequency Reference; Pt.2":
Items relevant to "Programmable Ignition System For Cars; Pt.2":
Items relevant to "Dual PICAXE Infrared Data Communication":
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Contents
Vol.20, No.4; April 2007
SILICON
CHIP
www.siliconchip.com.au
Features
10 The Proposed Ban On Incandescent Lamps
Who flicked the switch to stupid? Banning incandescent lamps and using
CFLs instead might seem like a good idea but there are serious ramifications.
Here’s a look at the pros and cons – by Leo Simpson
22 Review: SPLat CC16 OEM Controller
New credit-card sized controller costs less than $100 and boasts 16 digital
input/output (I/O) lines – by Peter Smith
Pro jects To Build
Those Naughty Incandescent
Lamps – Page 10.
26 High-Power Reversible DC Motor Speed Controller
Simple design can operate from 12V or 24V batteries at currents up to 40A
and can be controlled using a single potentiometer or an RC 1-2ms pulse train
– by Leo Simpson & Branko Justic
32 Build A Jacob’s Ladder
It sizzles, it sparks, it crackles, it’s fascinating and it’s electrifying. And it’s easy
to build – by Leo Simpson
38 GPS-Based Frequency Reference; Pt.2
It’s based on a Garmin GPS receiver module and gives very accurate 1MHz &
10MHz reference frequencies. Here’s how to build and adjust it – by Jim Rowe
High-Power Reversible DC Motor
Speed Controller – Page 26.
66 Programmable Ignition System For Cars; Pt.2
There are six versions to build; you choose the one suit your car’s ignition
pick-up system Here’s how to build the various modules – by John Clarke
Build a Jacob’s Ladder
– Page 32.
86 Dual PICAXE Infrared Data Communication
Want to transmit data using infrared signals? No problem . . . just use two
PICAXES – by Stan Swan
Special Columns
57 Serviceman’s Log
Sorting out customer A/V installations – by the TV Serviceman
62 Circuit Notebook
(1) Optical Water Level Switch; (2) 12V SLA Battery Capacity Tester;
(3) Rotary Encoder Interface; (4) Simple Circuit For Measuring High-Q
Inductors; (5) Stage Microphone Muting Circuit
90 Vintage Radio
How to build a super crystal set – by Rodney Champness
Departments
2
4
79
80
Publisher’s Letter
Mailbag
Order Form
Product Showcase
siliconchip.com.au
96 Ask Silicon Chip
99 Notes & Errata
102 Market Centre
Building The Programmable
Ignition System – Page 66.
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