This circuit was found in the June 1996 issue of Electronics Now. Integrated circuits must be equipped with heat sinks, and the maximum current is 1 A.
Found in a PE Hobbyst Handbook, this circuit checks if there is voltage in a power outlet by...
Here is a high-quality intercom for demanding readers. The circuit is from a 1982 documentation. Of course,...
This circuit shows how to use a low current read switch to control high power loads. The circuit...