Extending Woodward's original "Flip ON Flop OFF" for AC voltages, switching power ON and OFF using a pushbutton or a ...

This circuit uses electromechanical relays to retain its state indefinitely, even when power is off. ... Here's a flip-flop circuit that remembers its state indefinitely when power is off.

This light activated relay circuit presented here uses the 555 timer IC and a light dependent resistor or LDR to form a light sensitive relay in an. ... the voltage across it rises above 2/3 of Vcc, ...

Toshiba has developed a new flip-flop circuit using 40nm CMOS process that will reduce power consumption in mobile equipment. Measured data verifies that the power dissipation of the new flip-flop is ...

Relay-Based ON/OFF Flip-Flop Remembers State During Power Failure (.PDF Download) April 13, 2018 Many varieties of ON/OFF control circuits use some form of flip-flop that responds to a pushbutton ...