This circuit detects when a powered circuit suffers a malfunction, lighting an LED. The supply voltage can be changed according to the monitored load.
This circuit was found in the November 1992 Radio Electronics magazine. The resistor in series with...
Using two of the 4 NAND gates of the integrated 4001, the circuit in the figure activates the...
This oscillator was found in a 1976 documentation. The no specified components indicate circuit...