This circuit was obtained from the Encyclopedia of Electronic Circuits volume 5 of 1995. The circuit uses the 4001 CMOS to obtain hysteresis in the sensor feedback.
The idea of this circuit is to press the button in such a way that the flow of the LED in the...
This signal injector and tracer (follower) was found in an old American documentation. The...
This small signal generator for the bench was found in a 1988 documentation. The signals are...