This circuit was found in a 90s Motorola documentation. The circuit uses two SCRs that must be chosen according to the controlled load. The time depends on CE.
With this luminous remote control, which we found in a 1990 publication, using a flashlight you...
We found this circuit in a 1967 Electronics World. The circuit can be designed to control other...
This circuit can be used in a signal level indicator with LEDs. The circuit is from an Electronics Now...