#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define PIR 5


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

#define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)
#define SCREEN_ADDRESS 0x3c ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

void setup() {
  Serial.begin(9600);
   pinMode(PIR, INPUT);
 
  // SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
  if(!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
    Serial.println(F("SSD1306 allocation failed"));
    for(;;); // Don't proceed, loop forever
  }
   
  display.clearDisplay();
  display.setTextSize(1);
  display.setTextColor(1);
  display.setCursor(10,10); display.print("Motion Detected!");
  display.display();
  delay(3000);
  
}

void loop() {{
 
  if (digitalRead(PIR) == HIGH)
              {
               Serial.println("Motion Detected!");
              delay(200);
              }
  else 
  Serial.println("  ");
  delay(200);
}
  
}