Indicated by Popular Electronics to be used with a car headlight, this circuit can also have applications in fixed signaling. The power MOSFET must be in accordance with the lamp.
This circuit generates rectangular signals with 3-phase outputs. The circuit is from an Electronic...
This circuit was found in a 90s Popular Electronics. It produces a muted tone similar to that...
Found in an Elektor from the 90s, this circuit is based on components that are still common today....