This circuit, with output of 1.5 A, was found in a magazine 73 of the 90s. The integrated circuit is from the time and must be mounted in a heat sink.
With this circuit, a relay can be activated from an alternating signal with frequency up to a few...
With this circuit the visually impaired can easily locate important places inside the house, such...
In the figure we have the way to use the transistors of an old-paired pair as a trigger circuit. The...