More about Switch (454)

1-05-2005 | Of necessity, today’s (surround) amplifiers have to come with lots of inputs and outputs. However, a problem occurs if you want to use sever...

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...

1-01-2005 | A clap switch circuit is a classic beginner’s project. Equipment canbe switched on and off by just clapping your hands. Add a tiny microcont...

1-12-2004 | This multi-position switch is operated by the IR transmitter with HT12R described elsewhere in the issue.The signal transmitted by the trans...

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...

1-07-2004 | In this age of enlightenment any sort of relationship that could be described as master/slave would be questionable but for the purposes of...

1-07-2004 | Switching systems in models often suffer from mechanical problems. This electronic replacement is much more reliable and offers a little bit...

1-07-2004 | This circuit may be used to replace the single current limiting resistor often found in dirt cheap battery chargers. The alternative shown h...

1-02-2004 | You don’t need special ICs when a capacitive (or ‘touch’) switch can also be realised with an inexpensive PIC controller. This article shows...

1-02-2004 | The wide availability of low-cost switched mains sockets with radio remote control provides a simple way to control electrical equipment, li...