#include <LiquidCrystal_I2C.h>
#include <Adafruit_NeoPixel.h>
//#include <MD_Parola.h>
//#include <MD_MAX72xx.h>
//#include <SPI.h>

#define I2C_ADDR    0x27
#define LCD_COLUMNS 20
#define LCD_LINES   4
// Which pin on the Arduino is connected to the NeoPixels?
#define PIN        2
// How many NeoPixels are attached to the Arduino?
#define NUMPIXELS 24

// Uncomment according to your hardware type
#define HARDWARE_TYPE MD_MAX72XX::FC16_HW
//#define HARDWARE_TYPE MD_MAX72XX::GENERIC_HW
LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);





#ifdef __AVR__
 #include <avr/power.h> 
#endif

Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

uint32_t altzeit;
float messwert, mittelwert;

#define DELAYVAL 100 // Time (in milliseconds) to pause between pixels


void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(A5, INPUT);

  // Init
  lcd.init();
  lcd.backlight();

  // Print something
  lcd.setCursor(5, 0);
  lcd.print("Laustaerke");

  #if defined(__AVR_ATtiny85__) && (F_CPU == 16000000)
  clock_prescale_set(clock_div_1);
#endif

}

void loop() {
  int sensorValue = analogRead(A5);

  if (millis() - altzeit >= (DELAYVAL)) { // alle 100 ms messen
    altzeit=millis(); 
    
    mittelwert = 0.95 * mittelwert + 0.05 * sensorValue; //Anzahl Messwerte in Reihe
    Serial.print (mittelwert); Serial.print('\t'); //Azsgabe Mittelwert
    Serial.println(sensorValue); // Ausgabe Echtzeitwert
  }

 // delay(DELAYVAL);
  lcd.setCursor(8, 1);
  lcd.print(sensorValue);
  lcd.setCursor (6, 2);
  lcd.print(mittelwert);
  

  pixels.clear(); // Set all pixel colors to 'off'
{
if (mittelwert < 1000)
{
  // The first NeoPixel in a strand is #0, second is 1, all the way up
  // to the count of pixels minus one.
  for(int i=0; i<NUMPIXELS; i++) 
  { // For each pixel...

    // pixels.Color() takes RGB values, from 0,0,0 up to 255,255,255
    pixels.setPixelColor(i, pixels.Color(0, 150, 0));  //green
  }
}
else if ((mittelwert >=1000) && (mittelwert <= 3000))
{
  for(int i=0; i<NUMPIXELS; i++) 
  { // For each pixel...

    // pixels.Color() takes RGB values, from 0,0,0 up to 255,255,255
      pixels.setPixelColor(i, pixels.Color(150, 150, 0));  //gelb
  }
}
 else
 {
   for(int i=0; i<NUMPIXELS; i++) 
   { // For each pixel...

    // pixels.Color() takes RGB values, from 0,0,0 up to 255,255,255
      pixels.setPixelColor(i, pixels.Color(150, 0, 0));  //rot
   }
 }
}
    pixels.show();   // Send the updated pixel colors to the hardware.

    delay(DELAYVAL); // Pause before next pass through loop
}