The purpose of this circuit is to power a lamp or other appliance for a given time (30 minutes in this case), and then to turn it off. The purpose of this circuit is to power a lamp or other appliance ...

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 ...

Like many of us [AnotherMaker] is a fan of the classic Forrest Mims electronics books, specifically, the Engineer’s Mini-Notebook series. They were great sources of inspiration, but at the time, he ...