The SMD RGB LED module Arduino compatible consists of a full-colour LED made by a RGB three pin PWM voltage input that can be adjusted. The strength of the red, green and blue light can be controlled independently to achieve full colour output. This SMD RGB LED module features an RGB trichromatic limiting resistor to prevent burnout.

Test Code

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(11, val);
analogWrite(10, 255-val);
analogWrite(9, 128-val);
delay(1);
}

for (val = 0; val < 255; val++) {
analogWrite(11, val);
analogWrite(10, 255-val);
analogWrite(9, 128-val);
delay(1);
}
Serial.println(val, DEC);
}