Can ESP8266 Drive SK6812 RGBW Pixel LED Strips

				
					#include 

// Hardware configuration
#define LED_PIN 11 // Control pin
#define NUM_LEDS 80 // Number of LEDs
#define BRIGHTNESS 64 // Initial brightness (0-255)

Adafruit_NeoPixel strip(NUM_LEDS, LED_PIN, NEO_GRBW + NEO_KHZ800);

// Effect parameters
uint8_t effect = 0; // Current effect (0-2)
uint16_t speedDelay = 50; // Effect speed (ms)
unsigned long prevMillis = 0;

void setup() {
Serial.begin(115200);
strip.begin();
strip.setBrightness(BRIGHTNESS);
strip.show(); // Turn off all LEDs after initialization

Serial.println("Input command to control effect:");
Serial.println("1: Flowing water effect");
Serial.println("2: Flashing effect");
Serial.println("3: Marquee effect");
Serial.println("+: Speed ​​up");
Serial.println("-: Slow down");
}

void loop() {
// Serial port control
if (Serial.available()) {
char cmd = Serial.read();
switch(cmd) {
case '1': effect = 0; Serial.println("Flowing water effect"); break;
case '2': effect = 1; Serial.println("Flashing effect"); break;
case '3': effect = 2; Serial.println("Marquee effect"); break;
case '+': speedDelay = max(20, speedDelay-10); break;
case '-': speedDelay = min(500, speedDelay+10); break;
}
Serial.print("Current speed: "); Serial.println(speedDelay);
}

// Timing effect
if (millis() - prevMillis >= speedDelay) {
prevMillis = millis();

switch(effect) {
case 0: rainbowFlow(); break;
case 1: blinkEffect(); break;
case 2: chaseEffect(); break;
}
strip.show();
}
}

// ================= Effect implementation ==================
// Rainbow flow effect
void rainbowFlow() {
static uint16_t hue = 0;
for(int i=0; i<strip.numPixels(); i++) {
// Calculate rainbow color (using only RGB channels)
uint32_t color = strip.ColorHSV((hue + i*65536L/strip.numPixels()) % 65536);
// Convert RGB to RGBW (keep white channel at 0)
strip.setPixelColor(i, color);
}
hue += 256; // Adjust hue change speed
}
// Blinking effect
void blinkEffect() {
static bool state = false;
if(state) {
// Random RGBW color
strip.fill(strip.Color(random(256), random(256), random(256), random(256)));
} else {
strip.fill(0);
}
state = !state;
}
// Marquee effect
void chaseEffect() {
static int pos = 0;
strip.fill(0); // Clear all LEDs

// Set current LED color (with white channel) 
strip.setPixelColor(pos, strip.Color(0, 255, 0, 100)); // RGBW: green+white 

pos = (pos + 1) % strip.numPixels();
}