1 Feb, 2008

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.

1 Feb, 2008

Microcontroller projects can be simple and complex at the same time

1 Feb, 2008

The Toyota Prius has been the most successful and popular hybrid car produced so far but it has one weakness - it cannot go very far on battery power alone. This article tells how a large Lithium-ion battery was added to a Prius, giving it the ability to drive much further on battery power, thereby greatly increasing fuel economy.

1 Feb, 2008

Designed to control the UHF Remote Mains Switch, this hand-held transmitter can operate over a 200m range. It's based on a PIC micro and a pre-assembled transmitter module, making it easy to build and get going.

1 Feb, 2008

Want to switch mains appliances on and off remotely? This UHF Remote Mains Switch can do it for you. It's operated using a hand-held UHF transmitter or you can team it with the Water Tank Level Meter Base Station described last month to automatically control mains-operated water pumps. An in-built timer also enables the unit to turn off automatically after a preset period.

1 Feb, 2008

The ADS7062CA Digital Storage Oscilloscope from ATTEN incorporates many features found only in dearer oscilloscopes. It represents very good value for money and its bandwidth is high enough for most applications, including video.

1 Feb, 2008

If you drive your car for optimum performance, you will want this Shift Light Indicator to indicate just when to change gears. As a bonus, it incorporates a Rev Limiter which throttles back the fuel injectors.

1 Feb, 2008

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1 Feb, 2008

DC-to-AC inverters from the valve era, Pt.2

1 Feb, 2008

In this second part of our mini-series, Clive Seager talks us through using the new PICAXE VSM simulation software.

1 Feb, 2008

When is it time to retire an ageing TV set? Most people are only too happy to scrap a faulty set and go and buy the latest technology. Then there are those who are too devoted to their existing set to see it go - especially if they paid a lot of money for it.