| Virtually all modern cars have a built-in alarm to warn if you have left the lights on when you are getting out of the car. There are, how...
More about lights (26)
| Pop music and light effects are inseparable. The circuits that make the effects possible vary from simple to camp lex. The circuit presen...
| Switches with change-over contacts with traditional debouncing circuits are not always usable or economical. Keyboard switches, for inst...
| To prevent the dynamo-driven lights of your bicyle going out when you stop in the dark for, say, traffic lights, the simple circuit here...
| Low-voltage halogen lights are becoming fashionable, which is not surprising when one considers the advantages of these small units. They...
| This circuit automatically switches on the headlights of a ear after the engine is started. In countries like Sweden and Canada, ear driver...