#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
Adafruit_SSD1306 display = Adafruit_SSD1306(128,64, &Wire);
#define PIR 15
#define LED 23
int v=0;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(PIR,INPUT);
  pinMode(LED,OUTPUT);
  Serial.println("Hello, ESP32!");
   display.begin(SSD1306_SWITCHCAPVCC,0x3C);
}

void loop() {
  if(digitalRead(PIR)==LOW){
    digitalWrite(LED,LOW);
    v=0;
  }
  if(digitalRead(PIR)==HIGH){
    digitalWrite(LED,HIGH);
    v=1;
  }
   display.clearDisplay();
   display.setTextColor(WHITE,BLACK);
   display.setCursor(0,8);
   display.print("PIR = "+String(v));
   display.display();
  delay(1000);
}