BIOREACT/ESP32/D1-ESP32-Neopixel-Test/D1-ESP32-Neopixel-Test.ino

// WEMOS D1 MINI ESP32 // NEOPIXEL TEST (RGB) // TeZ 2022

#include <Adafruit_NeoPixel.h>


#define PIN  5 // data pin for neopixel
#define NUMPIXELS 8 // Max number of Leds

int rgbflag = 1;
Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
#define DELAYVAL 50 // Time (in milliseconds) to pause between pixels

int ledPin = 2; // internal led D1 Mini esp32

//////////////////////////////////
void setup() {
  pinMode(ledPin, OUTPUT);
  pixels.begin(); // INITIALIZE NeoPixel strip object (REQUIRED)
}


//////////////////////////////////
void loop() {
   
  pixels.clear(); // Set all pixel colors to 'off'

  for(int i=0; i<NUMPIXELS; i++) { // For each pixel...

    if(rgbflag == 1){
      pixels.setPixelColor(i, pixels.Color(200, 0, 0)); // RED
    }else if(rgbflag == 2){
      pixels.setPixelColor(i, pixels.Color(0, 200, 0)); // GREEN
    }else if(rgbflag == 3){
      pixels.setPixelColor(i, pixels.Color(0, 0, 200)); // BLUE
    }
    
    pixels.show();   // Send the updated pixel colors to the hardware.
    
    digitalWrite(ledPin, HIGH); // internal led ON
    delay(DELAYVAL); 
    digitalWrite(ledPin, LOW); // internal led OFF
    delay(DELAYVAL); 
  }

    if(rgbflag < 3){
      rgbflag ++;
    }else{
      rgbflag = 1;
    }

}