12 Nov, 2006

Good quality convex lenses can be salvaged for next to nothing from car wrecking yards. Here's how to use them to make a really bright handheld spotlight or a broad-beam bike light.

13 Nov, 2006

If you're into any kind of racing - like cars, bikes, boats or even horses - this project is for you. It's a microwave Doppler speed radar system, similar to the expensive gear used by traffic police, only much cheaper. It can read directly in km/h or mph for speeds up to 250km/h+.

14 Nov, 2006

16 Nov, 2006

Star of wonder, star of night! Star of royal beauty bright; westward leading, still proceeding, guide us to thy Perfect Light.

18 Nov, 2006

Want to switch power to a high-current load using a circuit capable of supplying just a few milliamps? No problem - build and use the SILICON CHIP DC Relay Switch.

19 Nov, 2006

Over the last couple of months, we described how to built a demo board for the PICAXE Net Server (PNS) and then configured a home network to make it accessible over the Internet. This month, we look at building the first of two Internet-enabled demonstration projects.

22 Nov, 2006

As production of film cameras continues to shrink, it comes as no surprise to see the electronic 'majors', such as Sony and Panasonic, grasp an opportunity to feed the swelling demand for digital single lens reflexes, known to the in-crowd as DSLRs. Barrie Smith reports his experience with the Sony Alpha A100 camera.

24 Nov, 2006

Revolutionise your in-car music

26 Nov, 2006

This versatile data acquisition system packs a digital oscilloscope, spectrum analyser, logic analyser, data recorder and waveform generator into one affordable package - and it's Australian-designed and supported!

29 Nov, 2006

Do people really want a high-performance valve amplifier?

29 Nov, 2006

Setting up the LED Tacho mainly involves stepping through and reprogramming the default software settings in the PIC to suit your vehicle. Here's how it's done.

30 Nov, 2006

The "portable" radio equipment used by the military at the start of World War 2 was bulky, heavy and inefficient by today's standards. Here we take a look at Radio Corporation's WS108 transceiver, as used by the Australian army.

30 Nov, 2006

Would you like to build some high quality speakers and don't mind doing some enclosure assembly finishing? These M6 compact bass reflex systems from theloudspeakerkit.com could be just what you are looking for. Use them on stands or on a bookshelf.