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Issue 270 << Issue 269 | Issue 271 >>
Publisher's Letter

1 Mar, 2011

Microchip's New PIC32 Microcontroller

2 Mar, 2011

Name something which is very useful, where you get more than you will ever likely need and at a cost that is trivial. Enter the newest processor in the Microchip stable

The Maximite Computer, Pt.1

4 Mar, 2011

There's on often-quoted cliche in advertising which says "its use is limited only by your imagination . . ." Well, here is a project that goes way beyond your imagination because you, like us, will have only scratched the surface of uses. We're pretty proud of this one: a powerful but very economical microcomputer which has so much potential that you will probably think of uses we haven't even dreamed of!

Community TV Station TVS

8 Mar, 2011

If you watch digital TV in mainland capitals, you may have come across a "community" channel. In Sydney it's a station called TVS, which has a range of interesting programs, quite different to those on main-stream stations. So what is TVS and who are the people behind it?

Universal Voltage Regulator Board

10 Mar, 2011

Circuit Notebook

12 Mar, 2011

Interesting circuit ideas which we have checked but not built and tested. Contributions from readers are welcome and will be paid for at standard rates.

Salvage It! - A Vacuum Pump From Junk

14 Mar, 2011

Every young techie needs a vacuum pump. They rate alongside the air compressor, multimeter and soldering iron as one of the most useful tools to take their place in the arsenal. This guide will show you how to make a serious vacuum pump for next-to-nothing. Add a vacuum tank for much the same price and you are loaded for bear.


16 Mar, 2011

Letters and emails should contain complete name, address and daytime phone number. Letters to the Editor are submitted on the condition that Silicon Chip Publications Pty Ltd may edit and has the right to reproduce in electronic form and communicate these letters. This also applies to submissions to "Ask SILICON CHIP" and "Circuit Notebook".

Mains Moderator: Stepping Down The Volts

18 Mar, 2011

Do you have excessive mains voltage at your place? In some parts of Australia the mains voltage can be above 250VAC and that can spell early death for imported appliances rated to work on only 220VAC. In this article we show you how to reduce the mains voltage to a safe level for your equipment.

Ask Silicon Chip

20 Mar, 2011

Got a technical problem? Can't understand a piece of jargon or some technical principle? Drop us a line and we'll answer your question. Write to: Ask Silicon Chip, PO Box 139, Collaroy Beach, NSW 2097 or send an email to

12V 20-120W Solar Panel Simulator

22 Mar, 2011

How do you test or develop a solar charge controller such as the unit described in SILICON CHIP last month? You could use a solar panel but then you are at the whim of the weather and time of day. Also you would need several panels of different sizes to test it properly. This device solves all those problems.

Microphone To Neck Loop Coupler For Hearing Aids

24 Mar, 2011

Hearing-aid wearers often have difficulty understanding conversations in noisy environments, especially if they have switched their personal hearing aid from microphone mode to T-coil mode. This projects solves that problem.

Vintage Radio

26 Mar, 2011

Clock-radio mantel receivers were all the rage in the 1950s. This month, we take a look at the STC (Standard Telephones & Cables) A5150 clock-radio which used a conventional 5-valve superhet circuit but was housed in a rather unusual cabinet.

Serviceman's Log  - 6 Mar, 2011

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