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

#define lebar 128
#define tinggi 64
#define reset -1
#define addr 0x3C
#define TRIG_PIN 9
#define ECHO_PIN 10

Adafruit_SSD1306 oled(lebar, tinggi, &Wire, reset);

void setup() {
  pinMode(13, OUTPUT);
  
}

void loop() {
  digitalWrite(13, HIGH);
  delay(1000);
  digitalWrite(13, LOW);
  delay(1000);
}