This circuit keeps a set of lamps permanently on, even when there is a power cut. The circuit can be adapted to use LEDs and the 12 V battery can also be changed according to the lamps or LEDs.
With a touch of the push button the lamp is switched on. A new touch and the lamp go out, in this...
This circuit produces fast light pulses in na incandescent lamp. Pulse rate is adjusted by P1. The...
We find this TTL configuration in a 1978s documentation. The circuit generates variable pulses...