How to Program RGBWW LED Strips with ESP8266

				
					#include  // Used to control the colorful RGB strip

// Colorful RGB settings
#define RGB_PIN 4 // D2
#define RGB_LEDS 80 // Number of colorful LEDs
Adafruit_NeoPixel rgbStrip = Adafruit_NeoPixel(RGB_LEDS, RGB_PIN, NEO_GRB + NEO_KHZ800);

// Non-colorful WW+CW settings
#define WW_PIN 12 // D6 - warm white
#define CW_PIN 13 // D7 - cool white

// PWM range settings (0-1023 for ESP8266)
const int pwmRange = 1023;

void setup() {
Serial.begin(115200);

// Initialize the colorful RGB strip
rgbStrip.begin();
rgbStrip.show(); // Initially all off

// Set WW/CW pins to output mode
pinMode(WW_PIN, OUTPUT);
pinMode(CW_PIN, OUTPUT);
analogWrite(WW_PIN, 0);
analogWrite(CW_PIN, 0);

Serial.println("RGBWW LED Controller Ready");
}

void loop() {
// Example 1: RGB rainbow effect + warm white light
rainbowCycle(10);
setWhite(255, 50); // Warm white strong, cold white weak

// Example 2: RGB static blue + cold white light
setRGBColor(0, 0, 255);
setWhite(50, 255);
delay(2000);

// Example 3: RGB marquee + white light gradient
theaterChase(0, 255, 0, 50); // Green marquee
for(int i = 0; i <= 255; i++) {
setWhite(i, 255-i);
delay(20);
}
}

// Set RGB color (0-255)
void setRGBColor(uint8_t r, uint8_t g, uint8_t b) {
for(int i=0; i<rgbStrip.numPixels(); i++) {
rgbStrip.setPixelColor(i, rgbStrip.Color(r, g, b));
}
rgbStrip.show();
}

// Set white light ratio (0-255)
void setWhite(uint8_t ww, uint8_t cw) {
analogWrite(WW_PIN, map(ww, 0, 255, 0, pwmRange));
analogWrite(CW_PIN, map(cw, 0, 255, 0, pwmRange));

Serial.print("Set White - WW:");
Serial.print(ww);
Serial.print(" CW:");
Serial.println(cw);
}

// Rainbow effect function
void rainbowCycle(uint8_t wait) {
uint16_t i, j;
for(j=0; j<256*5; j++) { // 5 cycles of all colors on wheel
for(i=0; i< rgbStrip.numPixels(); i++) {
rgbStrip.setPixelColor(i, Wheel(((i * 256 / rgbStrip.numPixels()) + j) & 255));
}
rgbStrip.show();
delay(wait);
}
}

// Marquee effect
void theaterChase(uint8_t r, uint8_t g, uint8_t b, uint8_t wait) {
for (int q=0; q < 3; q++) {
for (int i=0; i < rgbStrip.numPixels(); i=i+3) {
rgbStrip.setPixelColor(i+q, rgbStrip.Color(r, g, b)); // Light up every 3 lamp beads
}
rgbStrip.show();
delay(wait);
for (int i=0; i < rgbStrip.numPixels(); i=i+3) {
rgbStrip.setPixelColor(i+q, 0); // Close
}
}
}

// Auxiliary function for rainbow effect
uint32_t Wheel(byte WheelPos) {
WheelPos = 255 - WheelPos;
if(WheelPos < 85) {
return rgbStrip.Color(255 - WheelPos * 3, 0, WheelPos * 3); 
} 
if(WheelPos < 170) { 
WheelPos -= 85; 
return rgbStrip.Color(0, WheelPos * 3, 255 - WheelPos * 3); 
} 
WheelPos -= 170; 
return rgbStrip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
}