| The switch is typified by the very few components needed and its high sensitivity.
| The switch is typified by the very few components needed and its high sensitivity.
| It is often handy if two or more sets of equipment that work together, such as a computer and a printer, or a tuner, amplifier and CD pl...
| Infra-red remote control units for TVs and video recorders usually have a large number of press-keys to select a staggering variety of fun...
| Many cars have a rear wiper that is controlled by a switch with a makebreak combination. In modern cars, the wiper is operated simply b...
| The popularity of halogen light is still increasing, and rightly so because of some distinct advantages: the colour temperature is agreeab...
| The two major properties of the design described are simplicity and quality. Simplicity is achieved by omitting such superfluous facilitie...
| The diode bridge, inccnjunction with a moving-coil meter, enables us to measure the peak value, Up , of a sinusoidal signal voltage, or...
| The switching unit described here is capable of controlling up to seven mains-powered loads with the aid of commands received via telephon...
| A module is described that enables a mains powered device of up to 275 VA to be controlled bya PC via the I²C bus. Since a direct connecti...
| Voltage-operated switches are fairly common place. but frequency-operated ones are still rare. The once described here is based on a 4046...