All items tagged with switch and light (43)

1-12-2002 | Inexpensive receivers for standard infrared remote control units for television sets and video recorders are available in the form of integr...

1-12-2001 | Nowadays, you do not actually need to build twilight switches yourself, since they can be purchased quite inexpensively. However, if you enj...

1-12-1999 | The switch controls two relays, one, Re1, for turning the toilet light on and off, and the other, Re2, for turning an extractor fan on an...

1-12-1998 | This circuit shows that only a handful of parts is needed to make a light-controlled switch with a digital power buffer output capable o...

1-07-1998 | Simple triangle-wave generators have a weakness in that the waveform of their output signal normally cannot be modified. The circuit pre...

1-07-1998 | To many hi-fi enthusiasts and musicians, the thermionic valve (electron tube), the sound of a valve amplifier cannot be bettered by that...

1-10-1997 | This article describes a lights switch which is operated by moving your hand in front of it. This is achieved by detecting infrared lig...

1-07-1995 | In some countries, it is still obligatory for cars parked in the road at night to have their parking lights on. If the car is parked well...

1-03-1995 | This article describes an automatically operating night light with two remarkable features. First of all, a light-operated switch turns th...

1-07-1994 | The switch is typified by the very few components needed and its high sensitivity.