Working with electricity can be a daunting and life-threatening task if you are a beginner in the electronic/electrical field, and things can go very wrong when electricity is not properly handled, ...

The circuit shown below is a simple, yet versatile, timer. lt allows loads drawing up to 5 A, for instance, a low-voltage power supply, to warm up slowly. With values as shown, the wam-up time will be ...

This device is a simple timer, allowing to keep on the headlights of your vehicle for about 1min. and 30sec., e.g. when accessing some dark place, without the necessity of coming back to switch-off ...