RGB Full Color LED SMD Module KY-009 (WCMCU/Keyes)

KY-009 Description

RGB full color LED Module KY-009 for Arduino, emits a range of colors by mixing red, green and blue. The amount of each primary color is adjusted using PWM.

KY-009 Specifications

The KY-009 RGB Full Color LED SMD Module consists of a 5050 SMD LED, use with limiting resistors to prevent burnout. Compatible with popular electronics platforms like Arduino, Raspberry Pi and ESP8266.

Operating Voltage

5V max

Red 1.8V ~2.4V

Green 2.8V ~ 3.6V

Blue 2.8V ~ 3.6V

Forward Current 20mA ~ 30mA

Operating Temperature -25°C to 85°C [-13°F ~ 185°F]

Dimensions 18.5mm x 15mm [0.728in x 0.591in]

KY-009 Connection Diagram

You need to use resistors to prevent burnout, check the 5050 LED SMD Datasheet on the downloads section for more info.

KY-009 Breadboard Arduino

R 180Ω resistor Pin 9

G 110Ω resistor Pin 10

B 110Ω resistor Pin 11

- GND GND

KY-009 Example 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); 

  }

}