3 Feb, 2007

Imagine living in a village with no sunlight for 84 days straight. The Italian village of Viganella solved the problem using a giant mirror

5 Feb, 2007

7 Feb, 2007

Jaycar enters the wireless microphone marcket with three attractively-priced models.

10 Feb, 2007

Customers & their strange antics

13 Feb, 2007

Electronics is just as much about adaptation as it is invention. Here Stan takes a cheap bike computer and turns it into a digital amp-hour meter with the aid of his No.1 favourite chip, the mighty Picaxe!

15 Feb, 2007

Let's not vacillate on nuclear power

17 Feb, 2007

Based on miniature 1.4V filament valves, compact portable radios such as the Breville 801 enjoyed a brief period of popularity during the late 1940s and early 1950s. Their performance was rather mediocre, however.

19 Feb, 2007

For those people who don't want to bother with a separate turntable, a computer and software, Teac has produced a single box solution for the chore of dubbing vinyl records to CDs.

23 Feb, 2007

This up-to-date control module works with any universal infrared remote and features a blue LED readout and an optional rotary encoder. Its ability to both attenuate and amplify means that it can operate as a simple volume control or as a high-performance stereo preamplifier!

24 Feb, 2007

This update of our very popular compact 50MHz Frequency Meter now has an internal battery pack or can run from a DC plugpack supply. It also incorporates a 10kHz rounding mode to enable 36MHz R/C transmitters using pulse position modulation (PPM) to be measured with an unambiguous reading.

25 Feb, 2007

Quite a few cars have turbochargers these days and these can provide even more performance if the turbo boost pressure is increased. However, you don't want permanently increased turbo boost as it increases wear on the engine, so you need a variable boost control, as presented here.

26 Feb, 2007

Are you intending to build the Variable Boost Control described earlier? If so, you will need to built this simple Fuel Cut Defeater (FCD) to eliminate the standard factory fuel cut which typically occurs at boost levels about 16-17psi. The unit is not adjustable, so no external controls are required.

27 Feb, 2007

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.