KY-009 RGB Full Color LED SMD Module

The KY-009 RGB Full Color LED module emits a range of colors by mixing red, green, and blue light. Each color is adjusted by using PWM.

Compatible with popular electronics platforms like Arduino, Raspberry Pi and ESP32.

KY-009 Specifications

This module consists of a 5050 SMD LED and 4 male header pins. Use with limiting resistors to prevent LED burnout.

Connection Diagram

KY-009 Arduino Code

The following Arduino sketch will cycle through various colors by changing the PWM value on each of the three primary colors.

int redpin = 11; //select the pin for the red LED
int bluepin =10; // select the pin for the  blue LED
int greenpin = 9;// select the pin for the green LED

int val;

void setup() {
  pinMode(redpin, OUTPUT);
  pinMode(bluepin, OUTPUT);
  pinMode(greenpin, OUTPUT);
  Serial.begin(9600);
}

void loop() 
{
  for(val = 255; val > 0; val--)
  {
    analogWrite(redpin, val);  //set PWM value for red
    analogWrite(bluepin, 255 - val); //set PWM value for blue
    analogWrite(greenpin, 128 - val); //set PWM value for green
    Serial.println(val); //print current value 
    delay(1); 
  }
  for(val = 0; val < 255; val++)
  {
    analogWrite(redpin, val);
    analogWrite(bluepin, 255 - val);
    analogWrite(greenpin, 128 - val);
    Serial.println(val);
    delay(1); 
  }
}

Downloads

• Fritzing Part: KY-009 RGB full color LED SMD module.
• 5050 LED SMD Datasheet by Wayjun Technology.
• Fritzing Official Site.

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