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Issue 287 << Issue 286 | Issue 288 >>
Publisher's Letter

1 Aug, 2012

We Drive Nissan's Leaf Electric Car

3 Aug, 2012

On June 15, the much-anticipated Nissan LEAF 100% electric vehicle went on sale in Australia. Not co-incidentally, this was also the day it was introduced to the media - including SILICON CHIP. We had a good look at the LEAF and took it for a reasonable (if all-too-short) drive. Were we a little impressed? No way! We were very impressed!


5 Aug, 2012

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".

The Driveway Sentry Mk.2

8 Aug, 2012

Here's an improved version of the Driveway Sentry we described in the November 2004 issue of SILICON CHIP. It detects vehicles like cars, trucks, tractors or other farm machinery moving along a driveway or through a gateway. When movement is detected, it switches on a mains-powered or battery-powered lighting system and activates an optional piezo buzzer alarm for a preset period ranging from 2-25 seconds.

Multi-Rotor Helicopters

9 Aug, 2012

Remotely Piloted Aircraft (RPAs) are on the threshold of a major explosion in design, operation and areas of deployment. Leading the way in this revolution is a style of helicopter best known as a Quadcopter or Multi-rotor Copter.

Timer For Fans And Lights

11 Aug, 2012

This simple circuit provides a turn-off delay for a 230VAC light or a fan. It can be used to make a bathroom fan run for a set period after the switch has been turned off or it can be used with a pushbutton to turn a light on for a specific time. The timer circuit consumes no standby power when the load is off.

Circuit Notebook

15 Aug, 2012

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.

Flying The Parrot AR Drone 2 Quadcopter

16 Aug, 2012

This impressive flying beast sports four rotors and two cameras. You can control it with an iPhone, iPad or Android device and capture 720p video of its exploits. It's quite robust, easy to fly and has multiple control modes to suit different pilot experience levels.

RPAs: Designing, Building & Using Them For Business

18 Aug, 2012

SILICON CHIP talks to (while we watch in awe!) two young men who are dedicated RPA hobbyists turned businessmen: they are setting up a company specialising in aerial cinematography for movies and TV using RPAs - one of the first in Australia to do so.

Serviceman's Log

19 Aug, 2012

Watchmaking is not exactly my forte but I'll take on just about anything these days to try to make a dollar. Sometimes my efforts are successful and sometimes they aren't but it doesn't hurt to at least try.

Isolated High-Current Adaptor For Scopes & DMMs

22 Aug, 2012

If you want to measure and monitor mains current of up to 30A using your DMM or scope, this is the safe and easy solution. It works just as well with DC and it has significantly better resolution and bandwidth than most clamp meters.

Ask Silicon Chip

27 Aug, 2012

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

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