This flip-flop controlled by an LDR-type photocell was found in Radio Electroinics magazine from June 1959. Note that it can be powered from the mains and directly controls a sensitive relay.
This circuit was found in a 90s Signetics documentation. The circuit is switched based on...
This switch is bounce free and is recommended for the control of CMOS circuits. The switch must be...
In the figure we have the way to add hysteresis to an operational amplifier. The relationship...