This complex circuit was found in the 1993 edition of the Electronics Experimenter's Handbook. Most of the components are still common today.
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...