All items tagged with Switch and Power (65)

1-07-2011 | The circuit idea given here serves to switch off lights and other appliances centrally with a minimum of fuss.

1-07-2010 | Many appliances these days are switched on and off with the simple push of a 'soft' on/off button. In the 'off' position the...

1-03-2010 | With this smart switch you can turn mains-powered devices on and off easily and conveniently. Applications such as TVs, radios, basement and...

1-06-2008 | The switch-mode power supply unit (SMPSU) is renowned for its efficiency but notorious for its design complexity, compared with its predeces...

1-06-2008 | Switch Mode Power Supplies (SMPS) are often too quickly put aside because of their complexity. This article presents an overview to SMPS tec...

1-04-2006 | The switch-mode power supply chosen by the author for this article is built without the use of special-purpose ICs and so can be completely...

1-01-2005 | Little-known but still highly interestingThe topology of the Cuk converter was first published in the 1980s, but it is rarely encountered in...

1-12-2004 | This unit, in combination with the USB/I2C interface described elsewhere in this issue, may be used to switch four mains-powered devices on...

1-04-2003 | This circuit can be built into a power bar and used to remotely switch six socket-outlets. It is controlled via an RS232 interface and uses...

1-03-2003 | This compact stabilised power supply was specifically designed to obtain the best performance from the recently described subwoofer that for...