This circuit was found in the January 1999 issue of Electronics Now magazine. The turn-on time is given by the capacitor and MOSFET and must be in accordance with the controlled load.
This commercial NEC radio circuit from Japan has an audio power of 300mW and uses 7 germanium...
This sophisticated timer has several activation modes and operation monitoring through sequential LEDs....
This simple circuit from a 1987 documentation can be used in robotics and automation, as well as...