#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
#define OLED_RESET 4 // Reset pin # (or -1 if sharing reset pin)

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

void setup()
{
  Serial.begin(9600);
  if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3c)) // I2C address = 0x3C
  {
    Serial.println("SSD1306 allocation failed");
    while(1); //Don't proceed, loop forever
  }
 
 display.clearDisplay();
 display.setTextColor(WHITE);
 display.setTextSize(1);
 display.setCursor(0, 10);
 display.print("Potensio");
 display.display();
 delay(2000);
}

void loop() {
  display.clearDisplay();
  //int sensorValue = analogRead(A0);
  int sensorValue = random(20,30);
  Serial.print("Analog Value =");
  Serial.println(sensorValue);
  //float voltage = (sensorValue / 1023.0) * 5.0;
  //Serial.print("Voltage =");
  //Serial.print(voltage);
  //Serial.println(" V");
  
  display.setCursor(5,30);
  display.print(sensorValue);
  //display.setCursor(5,45);
  //display.print(voltage);
  display.display();
  delay(1000);
}