| A current detector and a threshold switch are not sufficient when in comes to building an electronic fuse. Such a circuit would be trigger...
| A current detector and a threshold switch are not sufficient when in comes to building an electronic fuse. Such a circuit would be trigger...
| To design a battery charger with switching regulators you need quite a few flat batteries and the patience of Job. When you come to c...
| Software suppliers have adopted a number of different systems to protect their products against illegal copying. The dongle (also w...
| When playing an electric guitar, you often have to use one or more effects units, since each and every kind of music played on the gui...
| A proximity switch is one which requires your hand to be merely near it as opposed to on it to operate.
| It is a frequent requirement in computer and audio systems that several units are switched on or off simultaneously. The simplest way of...
| Infra-red remotely controlled equipment is provided with a standby mode in which it remains ready to operate at a simple command of a...
| The rapid charger published earlier this year was hased on the ubiquitous TV U2402B IC. The charger was ahle to fully charge four AA bat...
| The signal-controlled switch actuates or deactuates a.f. equipment, including preamplifiers, power amplifiers, and filters. It is partic...
| The advantage of a touch witch over a traditional, mechanical, witch is that its operation is not degraded by wear and tear.