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

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);


#define pinPM   34

void setup() {
  Serial.begin(9600);
  Serial.println("Sistem Monetoring Potensio Meter");
  Serial.println("Kelompok 6");
  delay(1000);

   if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3D for 128x64
    Serial.println(F("SSD1306 allocation failed"));
    for(;;);
  }
  delay(2000);
  display.clearDisplay();
  display.setTextColor(WHITE);
}

void loop() {
  float valuePot = analogRead(pinPM);
  float x = valuePot / 4095;
  float voltase = x * 3;
  int kondisi1 = 0;
  int kondisi2 = 30;
  int kondisi3 = 254;
  if(valuePot == 4095) {
    Serial.print(voltase);
    display.setTextSize(1);
    display.setCursor(0,0);
    display.print(voltase);
    display.display();
    display.clearDisplay();
  }
  if(valuePot >=2482 && valuePot <=4094) {
    Serial.print(voltase);
    display.setTextSize(1);
    display.setCursor(0,0);
    display.print(voltase);
    display.display();
    display.clearDisplay();
  }
  if(valuePot >= 0 && valuePot <=2481) {
    Serial.print(voltase);
    display.setTextSize(1);
    display.setCursor(0,0);
    display.print(voltase);
    display.display();
    display.clearDisplay();
  }
  delay(1000);
}