LED Lamp Dimmer Circuit:

In this circuit, at the starting LED glow slowly, then grown brighter and once again slowly it became dim. The basis of the whole circuit is an operational amplifier IC named LM358.

LED Lamp Dimmer Circuit Diagram:

Circuit Components:ic

• ic LM358 – 1
• T1 (BC547) – 1
• R1, R2 (4.7K) – 2
• R3 (22K) – 1
• R4 (10K) – 1
• R5 (4.7M) – 1
• R6 (100E) – 1
• C1 (. 47uF) – 1
• LED – 3