#include <Adafruit_NeoPixel.h>

void setup() {
  pinMode(5, OUTPUT);
  
  //Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800);
  Adafruit_NeoPixel leds0(3, 18, NEO_RGB + NEO_KHZ800);
  Adafruit_NeoPixel leds1(1, 17, NEO_RGB + NEO_KHZ800);
  Adafruit_NeoPixel leds2(1, 16, NEO_RGB + NEO_KHZ800);
                                //GRBW
  leds0.begin();
  leds1.begin();
  leds2.begin();
  leds0.show();
  leds1.show();
  leds2.show();

  //strip.setPixelColor(n, red, green, blue, white);
  leds0.setPixelColor(0, 255, 0, 0);
  leds0.setPixelColor(1, 0, 255, 0);
  leds0.setPixelColor(2, 0, 0, 255);
  leds0.show();

  leds1.setPixelColor(0, 255, 255, 255);
  leds1.show();

  leds2.setPixelColor(0, 255, 0, 255);
  leds2.show();

  //digitalWrite(2, HIGH); //LEDBULIT - nie działa

  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32-S2!");

  String text = "";

  text += char(65);
  text += char(100);
  text += char(109);
  text += char(105);
  text += char(110);
  
  Serial.print(text);
  Serial.print(" ,text length: ");
  Serial.println(text.length());
  
  
  text = "Admin";
  int a = text.length();

  char tmp1[a+1];
  text.toCharArray(tmp1,a+1);

  for (int i=0; i<a; i++) {
    String tmp = text.substring(i, i+1);
    
    int z = tmp1[i];

    Serial.print(tmp);
    Serial.print(" : ");
    Serial.print(tmp1[i], DEC);
    Serial.print(" : ");
    Serial.println(z);
  }



  text = "Hello";

  for (int i=0; i<text.length(); i++) {
    Serial.print(text.substring(i,i+1));
    Serial.print(" : ");
    int w = text.substring(i,i+1)[0];
    Serial.println(w);
  }


}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(5, HIGH);
  delay(500); // this speeds up the simulation
  digitalWrite(5, LOW);
  delay(500);
}