Suggested for use in cars and motorcycles, this circuit was found in a 90s Popular Electronics. The MOSFET can be anyone that supports the current of the lamps. Adaptations can be made to use LEDs.
Found in Popular Elecronics, this configuration also appears in this section, but obtained from other...
The basis of this circuit is the 723, an old integrated circuit not easier to find these days. The...
This circuit was obtained in a 1991 Electronics Handbook. The publication no longer exists, but...