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

#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define OLED_RESET    -1  // Reset pin not used

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

const int potpin = 34;
int heartValue = 0;

void setup() {
  Serial.begin(115200);

  // Initialize with the I2C address of your OLED display (0x3C)
  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C, OLED_RESET)) {
    Serial.println(F("SSD1306 allocation failed"));
    for(;;);
  }

  // Clear the display
  display.clearDisplay();
  display.display();
}

void loop() {
  heartValue = analogRead(potpin);
  Serial.println(heartValue);

  // Clear the previous content on the display
  display.clearDisplay();

  // Set text size and color
  display.setTextSize(1);
  display.setTextColor(SSD1306_WHITE);

  // Display the heart value on the OLED
  display.setCursor(0,0);
  display.print("Heart Value: ");
  display.print(heartValue);

  // Update the display
  display.display();

  delay(10);  // You can adjust the delay to control the refresh rate
}