Introduction: Simple LED Intensity Control Circuit

By www.theorycircuit.com

Source: https://theorycircuit.com/driver-circuit/led-intensity-control-circuit/

Simple Way to control intensity of an LED or Array of LEDs.

Supplies

Components List

  1. White LED 5mm
  2. Transistor BC547 (NPN)
  3. Resistor 1KΩ, 18Ω each one
  4. Variable Resistor 20KΩ
  5. DC power supply
  6. Wires
  7. Breadboard


Step 1:

Controlling intensity of Array of LEDs

Step 2:

Animation shows different stage of intensity control through Variable Resistor.

Source: https://theorycircuit.com/driver-circuit/led-intensity-control-circuit/