All items tagged with Circuit and Switch (26)

1-07-1997 | The delay is intended to switch on the mains to heavy loads gradually to ensure that the switch-on current remains within certain Iimits...

1-06-1997 | The RC switch is a well-known and very popular adjunct in the world of model craft. It makes it possible to use the joystick for op...

1-03-1997 | A current detector and a threshold switch are not sufficient when in comes to building an electronic fuse. Such a circuit would be trigger...

1-07-1996 | The advantage of a touch witch over a traditional, mechanical, witch is that its operation is not degraded by wear and tear.

1-07-1995 | Although a digital circuit for driving a load such as a lamp or a d.c. motor is fairly simple, it has a few drawbacks. It does not make t...

1-06-1995 | This circuit switches two electrical loads on and off under the control of an acoustic signal. The remote control operates reliably up to...

1-01-1994 | The switching unit described here is capable of controlling up to seven mains-powered loads with the aid of commands received via telephon...

1-12-1993 | When a battery is charged by a solar panel during the day, it may discharge via that panel after sunset. This may, of course, be prevente...

1-07-1993 | The power off circuit ensures that the load is automatically removed from a battery. Itis particularly useful in cars, so that if the dri...

1-12-1991 | This circuit meets the requirement for a simple, low-cost timer with a timing range of a less than a second to several tens of hours, and...