| Seiko recently introduced a new line of wristwatches under the somewhat cryptic name of ‘kinetic auto relay’. The internal construction of t...
All items tagged with relay and Time (7)
| Have you ever needed to power a 12-volt relay in a circuit but only had 6 or 9 volts available? This simple circuit will solve that problem...
| Simple triangle-wave generators have a weakness in that the waveform of their output signal normally cannot be modified. The circuit pre...
| In this article we answer the questions of our readers.
| Few of you will be impressed by the fact that this circiut tuns on a light if you press a switch. The thing is, however, that the light goes...
| Standard potentiometers have some unfortunate properties, such as crackling when they get older and unequal tracking in stereo types. A...
| The solid-state relay timer described in this article is weil suited to the on/off switching, at predetermined times, of a.c. loads rated...