220v Light Dimmer Circuit Diagram. It uses a triac diac and has a radio frequency interference rfi noise suppression circuit built into it as well. It also can be used to adjust the speed of ac motors.
It also can be used to adjust the speed of ac motors. Dimmer switch dimmer circuit simple electronic circuit diagram adjustable voltage using potentiometerlight dimmer circuit using triac and diac 220v light d. I wanted a way to adjust the speed of a 220v fan and a friend of mine told me that i can use a regular and cheap light bulb dimmer for this.
This light dimmer circuit is built with various electrical and electronic components like resistors r1 68 kilo ohms r2 280 kilo ohms and r3 10 kilo ohms variable resistors vr1 100 kilo ohms and vr2 200 kilo ohms capacitors c1 c2 and c3 0 33 uf 400v triac is bt136 and diac is er900.
R1 10k r2 2k2 r3 180k potentiometer 250k. The circuit is divided into 4 parts. R1 10k r2 2k2 r3 180k potentiometer 250k. It also can be used to adjust the speed of ac motors.
