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Issue 275 << Issue 274 | Issue 276 >>
Asus EePad "Transformer" Tablet PC

3 Aug, 2011

With the exception of the Apple iPad, few new computers of any description have caused so much comment, so much anticipation and so much demand as the just-released ASUS EeePad Transformer. We just had to get our hands on one for a few days - not easy! - to find out what the excitement was/is all about.

An Electric Stethoscope

5 Aug, 2011

Need to do a bit of self-diagnosis? Make sure your heart is still beating or check other body sounds? Maybe you would like to sort out some unusual rattles or other noises in your car's engine or other machinery? This electronic stethoscope will do the job ? and you can listen via headphones or a loudspeaker. It has switchable frequency shaping in four bands so you can hone in on sounds which might otherwise be masked out.

Serviceman's Log

7 Aug, 2011

It happens - one minute you are happily working away on a repair and the next minute it dies on the bench. It?s one of those wretched moments all service people dread and it?s not unknown for customers to try to take advantage of the situation.

Safely Removing Solder Fumes & Other Polutants

9 Aug, 2011

We review the Hakko FA-430 fume extractor: what a clever little sucker!

Build A Digital Spirit Level

11 Aug, 2011

This project is really on the . . . errr . . . level. It's an inclinometer, an electronic version of the old spirit level except that this one gives a digital readout of the angle of any flat surface in 0.1° increments from 0-360°. A MEMS accelerometer chip, as found in tablets and smart phones, is at the heart of the project.

Circuit Notebook

13 Aug, 2011

Interesting circuit ideas which we have checked but not built and tested. Contributions will be paid for at standard rates. All submissions should include full name, address & phone number.

Review: UP! Portable 3D Printer

15 Aug, 2011

We?ve looked at 3D printers in the past but this one is different - you can buy it right now and have it up and running an hour or two after it arrives. You can design objects with 3D CAD software and then watch as they're turned into "the real thing" before your very eyes!

Ask Silicon Chip

17 Aug, 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

Ultra-LD Mk.3 200W Amplifier Module, Pt.2

19 Aug, 2011

The Ultra-LD Mk.3 amplifier module introduced last month is by far our lowest distortion Class-AB amplifier design. This month, we present the construction details and give some additional information on its performance.


21 Aug, 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".

Vintage Radio

23 Aug, 2011

Last month, we discussed the Hotpoint Bandmaster J35DE in general terms. This month, we describe how it was restored to its original performance. The only instrument required was an inexpensive digital multimeter and the same general ideas can be applied to most vintage sets.

Rudder Position Indicator For Power Boats, Pt.2

25 Aug, 2011

Last month we introduced our Rudder Position Indicator, which uses a 433MHz wireless link to show the direction a power boat?s rudder is pointing. This month we provide detailed instructions for building and testing both units as well as mounting the sensor unit in the boat.

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