Found in a Hands On Electronics from the 90s, this circuit can be easily assembled today, as the FET can be equivalent and the operational is general-purpose.
We found this circuit in an old American documentation. The circuit is suitable for motorcycles and...
This circuit was found in a 1977 Radio Handbook. Transistors admit equivalents. The lamp is an old...
This circuit was found in an old publication about transistors. The circuit can be used to drive...