#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define OLED_RESET    -1
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

const int potPin = 34;

void setup() {
  Serial.begin(115200);
  
  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("SSD1306 allocation failed"));
    for(;;);
  }
  display.display();
  display.clearDisplay();
}

void loop() {
  int potValue = analogRead(potPin);
  float voltage = (potValue / 4095.0) * 3.3;

  Serial.print("Nilai Potensiometer: ");
  Serial.println(potValue);
  Serial.print("Tegangan (V): ");
  Serial.println(voltage, 2);
  
  float temperature = (voltage * 100) + 25; // Konversi 10mV per derajat, offset 25 derajat
  displayTemperature(temperature);
  
  Serial.print("Suhu (C): ");
  Serial.println(temperature, 1);
  
  delay(1000);
}

void displayTemperature(float temperature) {
  display.clearDisplay();
  display.setTextSize(2);
  display.setTextColor(SSD1306_WHITE);
  display.setCursor(0, 10);
  display.println("Suhu:");
  display.setTextSize(3);
  display.setCursor(0, 30);
  display.println(temperature, 1);
  display.setTextSize(2);
  display.setCursor(80, 30);
  display.println("C");
  display.display();
}