This circuit simulates the signal produced by a muscle, serving to adjust medical equipment. The circuit is from the 1968 Mullard. Transistors support modern equivalents.
This circuit fires when the light intensity on the sensor drops below a certain level. The trigger...
This circuit consists of a decoder for remote control that allows the activation of 10 channels based...
This circuit is used to test PNP or NPN transistors giving the status indication through LEDs. The...