01 December 2007

Last month, we published the circuit of the Water Tank Level Meter and described how it worked. This month, we show you how to build both the basic and telemetry versions and detail the installation.

01 December 2007

Mauro Grassi takes an in-depth look at Rohde & Schwarz' new FM300 Spectrum Analyser and SM300 Signal Generator

01 December 2007

Last month, we published the circuit details of our new CD-ROM Player Adaptor and described its operation. This month, we show you how to build it.

01 December 2007

These new speakers are among the very best kit speakers that money can buy. They use the very-high-performance Fountek ribbon tweeters and Peerless woofers. They will be a very good match to our recently described 20W Class-A Stereo Amplifier.

01 December 2007

01 November 2007

Now for the next 20 years

01 November 2007

Ever wanted to use an old CD-ROM drive as a CD player for audio playback? Now you can do it, with this nifty CD-ROM Playback Adapter. It can control one or two CD-ROM drives and has an infrared remote control. A 16x2 line LCD screen provides track information and other data.

01 November 2007

Looking for a water tank level meter that's easy to install? One that's accurate but doesn't need a complicated in-tank sensor? This PIC-based unit uses a pressure sensor to monitor water level and it displays tank level at the press of a switch. It can also send its readings to a base station with an LCD readout via an RF link.

01 November 2007

Some days bad things just happen. A fire can occur at any time and when it does, recovering valuable data from computer hard drives can be a real challenge.

01 November 2007

Even though SILICON CHIP publishes most PC board patterns and/or has them available for download, making your own PC boards has for many been put in the "too hard" basket. Here's one reader's way of producing commercial-quality PC boards at home. He starts off by building an exposure light box with timer.