Suggested by General Electric in 1965 documentation, this flasher has a control circuit with a neon-light optic coupler and LDR. The circuit is for incandescent lamps.
This circuit was obtained in a 90s Popular Electronics. It generates a 10 Hz sinusoidal signal...
This adapter circuit for measuring voltages was found in Radio Electronics from April 1966. The...
This circuit was found in an English magazine from 1976. The transistors can be the BC548. The...