This circuit from a Radio Electronics from October 1965 shows how to obtain the action of an SCR when triggering a relay using two transistors. The relay is according to the circuit supply voltage.
This circuit operates according to the same principle as the previous one, but it has a difference in...
This transmitter emits signals in the FM range, reaching a few meters away. The modulation...
The integrated circuits of the ULN2001 / 2/3/4 series also known as MC1411 / 12/13/14 consist of...