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

// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

// Declaration for an SSD1306 display connected to I2C (or SPI)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

void setup() {
  // Initialize the display
    if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3C for most OLEDs
        Serial.println(F("SSD1306 allocation failed"));
            for(;;);
              }

                // Clear the buffer
                  display.clearDisplay();

                    // Display "Hello, World!"
                      display.setTextSize(1);      // Normal 1:1 pixel scale
                        display.setTextColor(SSD1306_WHITE); // Draw white text
                          display.setCursor(0,0);     // Start at top-left corner
                          display.println("12:45:15");
                          display.setCursor(90,0);

                              // Show the display buffer on the screen
                                display.display();
                                }

                                void loop() {
                                  // Do nothing in the loop
                                  }