This circuit with three transistors was suggested in a Radio Electronics magazine from February 1963. The transistors are types of the time. Power comes from a 12 V battery.
This circuit causes the neon lamps in a set to flash randomly. Capacitors determine the speed of...
This circuit was found in an old American telecommunications documentation. The components are...
This circuit turns off a load after an interval of 8 to 80 seconds adjusted on the potentiometer. The...