The following schematic diagram shows the 12 Volt Car Lamp Dimmer Circuit Design using 555 Timer. This circuit design can be used to dim a standard 25 watt automobile brake or backup bulb by controlling the duty cycle of a astable 555 timer oscillator. The two circuits below illustrate connecting the lamp to either the positive or negative side of the supply.

12 Volt Car Lamp Dimmer Circuit Diagram Design

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