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This is only a preview of the December 2012 issue of Silicon Chip. You can view 24 of the 112 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 "A 2.5GHz 12-digit Frequency Counter, Pt.1":
Items relevant to "USB Power Monitor":
Items relevant to "High-Energy Ignition System For Cars, Pt.2":
Items relevant to "High-Power Class-D Audio Amplifier, Pt.2":
Items relevant to "Modifications For The Induction Motor Speed Controller":
Items relevant to "Hacking A Mini Wireless Web Server, Pt.2":
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Contents
www.siliconchip.com.au
Vol.25, No.12; December 2012
SILICON
CHIP
Rapman: A 3D
Printer From A
Kit – Page 10.
Features
10 RapMan: A 3D Printer That You Build From A Kit
Here’s a 3D printer that can produce objects almost 200mm cubed . . . and
costs less than $2500. One teensy detail: it comes as a kit and you need to
build it before putting it to work – by Ross Tester
16 Soldering: The Game Is Changing
Here’s a quick look at where soldering is heading in the future. It’s no longer
just a case of plugging an iron in and soldering the joint
Pro jects To Build
24 A 2.5GHz 12-Digit Frequency Counter, Pt.1
High-resolution unit operates up to 2.5GHz, has an accurate internal timebase
and also features an external timebase input which can accept 1Hz pulses
from a GPS receiver for (almost) atomic clock accuracy – by Jim Rowe
36 USB Power Monitor
Want to know how much power your USB peripherals use? This USB Power
Monitor connects in-line with a USB device or hub and can display power
consumption, current and the USB voltage – by Nicholas Vinen
48 High-Energy Ignition System For Cars, Pt.2
Second article gives the assembly details for six different versions to suit your
car’s trigger input, including an ECU/coil tester version – by John Clarke
2.5GHz 12-Digit Frequency Counter,
Pt.1 – Page 24.
USB Power Monitor –
Page 36.
66 High-Power Class-D Audio Amplifier, Pt.2
Building and testing the amplifier and loudspeaker protection modules plus the
connection details for mono, stereo and bridged operation – by John Clarke
80 Modifications For The Induction Motor Speed Controller
The circuit itself is fine but the PCB needs a few modifications to fix a serious
interference problem – by Leo Simpson
90 Hacking A Mini Wireless Web Server, Pt.2
Hooking up external sensors and relays and setting it up to automatically send
emails of the logged data – by Andrew Snow & Nicholas Vinen
Special Columns
Building The High-Energy Ignition
System – Page 48.
44 Circuit Notebook
(1) Digital Thermostat Features Single-Button User Interface; (2) Electronic
Canary Needs No Birdseed; (3) PICAXE-Based Roulette Wheel
61 Serviceman’s Log
My Mini’s blinkers went on the blink
98 Vintage Radio
The Philips Twins – the Australian model 138 & the Dutch BX221-U
Departments
2 Publisher’s Letter
4 Mailbag
88 Christmas Showcase
96 Product Showcase
siliconchip.com.au
105
106
111
112
Order Form
Ask Silicon Chip
Market Centre
Notes & Errata
External Sensors & Email For The
Mini Web Server – Page 90.
December 2012 1
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