6 Oct, 2005

Ever wanted to zoom in on your house from 450km out in space? Google Earth will let you do it... and it's free!

12 Oct, 2005

The courts are full of people who thought they were fit to drive after having "a couple of drinks". This simple little project will give you a good indication of alcohol on your breath - and therefore your blood alcohol concentration (BAC). It's up to you then to make the right decision and get a cab home instead!

13 Oct, 2005

Valve amplifiers and self-delusion

14 Oct, 2005

You can't have enough protection

15 Oct, 2005

A $5 2-Channel vibration sensor

17 Oct, 2005

It runs the fan in your bathroom or toilet for a fixed time after you turn it on and has two modes of operation

18 Oct, 2005

You don't have to run new cables. Ethernet Over Power (EOP) lets you network your PCs via the 240VAC power wiring

19 Oct, 2005

Do your USB devices misbehave or suddenly stop working? Here's an easy way to find out if your PC's USB ports can meet the demand.

27 Oct, 2005

It uses a small CMOS TV camera to produce enlarged positive or negative image with boosted contrast

28 Oct, 2005

This family of devices comes in 16mm-diameter stainless ateel cans. You can build a simple project and read their serial numbers

29 Oct, 2005

The DS1921 houses an embedded computer chip with a temperature sensor, clock/calender and memory ...all in a 16mm steel can.

30 Oct, 2005

Designed for the audio perfectionist, this superb preamplifier uses the latest high-performanceop amps for ultra-low noise and distortion