This automatic switch for multiple loads was shown in the May 1983 issue of Radio Electronics magazine. The circuit is designed to switch multiple electronic devices at the same time.
What is a dual frequency generator for? There are several possibilities of use for this circuit. The...
The circuit, illustrated in the figure, consists of the direct application of the ULN2003 in which...
This circuit was found in a Popular Electronics from the 90's. The output signal can be applied to a...