Light Dimmer Schematic Diagram. You might have already used light dimmers but this led lamp dimmer circuit is a very simple circuit where a bunch of leds continuously change its intensity. This simple 220v light dimmer circuit can be used to adjust the brightness of mains lights.
With conventional dimmer wiring using nm cable a nm cable supplies line voltage from the electrical panel to the dimmer outlet box. Assemble the circuit on a good quality pcb or common board. The potentiometer is connected with the mosfet s gate pin.
Another nm cable connects from this dimmer box to the light fixture box.
One is an n channel mosfet and a potentiometer. R1 10k r2 2k2 r3 180k potentiometer 250k. Also included are wiring arrangements for multiple light fixtures controlled by one switch two switches on one box and a split receptacle controlled by two. It also can be used to adjust the speed of ac motors.
