This old automotive circuit was found in an August 1971 Radio Electronics magazine article. The transistor is a Darlington transistor rated for the wattage of the bulb.
This circuit behaves like a capacitor whose value is C1 multiplied by the relationship between R1 and...
This circuit of an old 1968 magazine aims to synchronize a slide projector with a recording, but...
This switching power supply was found in an Electronic Design from the 90s. The components are...