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Issue 272 << Issue 271 | Issue 273 >>
Publisher's Letter

1 May, 2011

Selling Surplus Tech Stuff On eBay

2 May, 2011

Have you got a horde of old junk, er, good stuff, that is now taking up too much space in your home? Here's the good oil on how to get rid of it at the best price, by selling it on eBay.

The SportSync Audio Delay Module

4 May, 2011

Many sports fans feel that radio commentary is better than that on TV, particularly commercial TV. To eliminate the annoyance of the TV commentary (and the adverts) they want to turn down the sound on the TV and listen to the radio instead. But the delay in the live TV broadcast causes a major problem. This simple project lets you delay the commentary on the radio to match the action on your TV - and it's remote controlled.

Serviceman's Log

6 May, 2011

From first-hand experience, I can tell you that being caught in a major earthquake is a terrifying experience. The damage here in Christchurch is extensive and although my house survived, it's had a devastating effect on my business.

Jaycar Is 30 Years Old

8 May, 2011

While Jaycar is now the dominant electronic parts retailer in Australia it had very small beginnings, 30 years ago. Since then it has grown from a single run-down store in a virtual dungeon in a Sydney lane to an operation with 72 stores (and climbing) and employing over 1100 people in Australia, New Zealand and elsewhere. Leo Simpson recently sat down with the owner, Gary Johnston, to chew the fat and review some of the high points.

The Maximite Computer, Pt.3

10 May, 2011

Over the past two months we introduced the Maximite, a tiny microcomputer that can turn its hand to many things, from teaching programming to controlling your greenhouse. In this final article we provide an introduction to the BASIC language running on the Maximite and show you how to use this tiny marvel for measurement and control.


12 May, 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".

Memory Card Compatibility Issues

14 May, 2011

An increasing number of SILICON CHIP projects use memory cards for storing data, loading software and the like. Originally intended for digital cameras, mobile phones etc, these cards are small, now quite inexpensive and can store an enormous amount of data (8 and 16GB cards are now common). But as some readers have discovered, there can sometimes be issues . . .

12V 100W Converter With Adjustable 15-35V DC Output

16 May, 2011

Did you build the 12/24V 3-stage MPPT solar charge controller published in the February 2011 issue? Then you will probably want this companion 12V 100W inverter as well. It will power laptops and other devices which require a DC voltage between 15V & 35V.

Circuit Notebook

18 May, 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.

Ask Silicon Chip

22 May, 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

Phone Line Polarity Checker

24 May, 2011

Do you suspect your broadband speed (DSL) is slower than it should be? It could be as simple as incorrect polarity in your phone wall socket. Build this very cheap, very simple device to find out whether you need to change your wiring!

Vintage Radio

26 May, 2011

There are lots of things to consider when building or restoring vintage radios, includ?ing function, performance, reliability, ease of service and safety. However, there are a few things that you must not do.

USB Data Logger Firmware Improvements  - 20 May, 2011

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