| The advantage of a touch witch over a traditional, mechanical, witch is that its operation is not degraded by wear and tear.
More about touch (14)
| The touch switch is based on a Schmitt trigger with hold contact, which is built from IC(1a), IC(1b) and R3. The output of IC(1b) is fed...
| This handy circuit is intended for battery-operated appliances. lt functions as a touch-operatedsupplyon switch and delayed supply offsw...
| This simple bedside light is suitable for telling the time at night, findings one's way to the door, and so on.