#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define SCREEN_WIDTH 128 
#define SCREEN_HEIGHT 32 
#define OLED_RESET     4 
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

const int sensor_t = A1;
float data_sensor_t = 0;
float var_celcius = 0;
float var_kelvin = 0;
float var_fahenheit = 0;


const int tombol_1 = 4;
const int tombol_2 = 3;
const int tombol_3 = 2;

const int led_merah = 12;
const int led_kuning = 11;
const int led_hijau = 10;



void tampilkan_di_lcd(){
  display.print("data sensor t: ");
  display.println(data_sensor_t);
  display.print("Temp: ");
  display.print(var_celcius);
  display.println(" C");
  display.print("Temp: ");
  display.print(var_kelvin);
  display.println(" K");
    display.print("Temp: ");
  display.print(var_fahenheit);
  display.println(" F");
}

float celcius(float var_1){
  return (500.00/1023.00)*var_1;
}





void setup() {

   if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { 
    Serial.println(F("SSD1306 allocation failed"));
    for(;;); // Don't proceed, loop forever
  }
  pinMode(sensor_t, INPUT);
  
  pinMode(tombol_1, INPUT_PULLUP);
  pinMode(tombol_2, INPUT_PULLUP);
  pinMode(tombol_3, INPUT_PULLUP);

  pinMode(led_merah, OUTPUT);
  pinMode(led_kuning, OUTPUT);
  pinMode(led_hijau, OUTPUT);


}

void loop() {
  display.clearDisplay();
  display.setTextSize(1);             
  display.setTextColor(WHITE);        
  display.setCursor(0,0);   
          
  tampilkan_di_lcd();
 
  
  for (int i = 0; i < 50; i++){
    data_sensor_t += analogRead(sensor_t)/50;
  }

  var_celcius = celcius(data_sensor_t);
//  var_kelvin = kelvin(var_celcius);
//  var_fahenheit = fahrenheit(var_celcius);











  display.display();
}