What he really needed in this case is a flip-flop but lacking a chip for that he went with the 555 because it has one built-in. Three resistors and a capacitor later he’s in business ...

If you need a circuit that converts a momentary push button to a latching switch with low standby current, this design might suit your needs.

NEW YORK (1010 WINS) – City officials unveiled a network of flip-up flood barriers along ... during a press meeting on Monday. With the push of a button, the large steel walls rise to form ...

[Circuitchef] used gates and a few flip-flops to build a two-player electronic ... The board is arranged in a 3×3 matrix of momentary push buttons and bi-color LEDs. Each player takes turns ...