Ton Giesberts (358)

1-11-2008 | Water is vital for humans, but too much of it has an undesirable effect, particularly when it turns up in the wrong places. This is what two...

1-09-2008 | Using the circuit described here you can quickly and simply check whether harmful sounds with a high frequency are being produced somewhere...

1-07-2008 | These days there is an increasing number of devices that have a digital audio output, for example digital cable tuners, satellite receivers,...

1-07-2008 | This circuit idea is certainly not new, but when it comes to making a trade-off between using a small, short-circuit proof transformer or a...

1-06-2008 | LEDs are used everywhere these days, not just as on/off indicators any more but now also as a source of light. Before you mount an LED in yo...

1-03-2008 | Shoes that light up? No problem, these days you can buy (almost) anything. But it is of course much more fun and challenging to enhance a pa...

1-02-2008 | In rooms without adequate heating but containing sensitive equipment it would be nice to obtain at least an indication as to whether the tem...

1-01-2007 | Has a channel from your stereo failed, or you don’t hear anything any more from your headphones from your MP3 player? It could be a broken w...

1-07-2006 | The idea for this adapter was really born out of necessity. The 24.576-MHz crystal oscillator that is used in the Audio ADC 2000, (24 bit/96...

1-07-2006 | This circuit (admittedly a big word for three connectors), was born out of necessity. Many years ago, when reliable scanners were still bein...