Smart Glasses for Social Distancing

//////////////////////////////////////////////////////////////////////////////////////Bat-Lab///////////////////////////////////////////////////////////////////////////////////////////////////

#include <SPI.h>  
#include <Wire.h>
#include <Adafruit_GFX.h>  //These Libraries Needs to Be Installed First to run the code
#include <Adafruit_SSD1306.h>

#define OLED_RESET 4
#define pir A0

Adafruit_SSD1306 display(OLED_RESET);

void setup() {
  // put your setup code here, to run once:
display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
display.clearDisplay();
pinMode(pir,INPUT);


display.setTextSize(2);      //Setting the text size 2 is recommended
display.setTextColor(WHITE);

display.setCursor(0,0); //Inorder to start a fresh cursor must be kept here

display.println("BatLab");   //Booting Screen Optional
display.display();
delay(2000);
display.clearDisplay();
display.display();

}

void loop() {
  // put your main code here, to run repeatedly:
display.setTextSize(2);
display.setTextColor(WHITE);

display.setCursor(0,0);

int a= digitalRead(pir);  
 
if (a>=1){    //Note the sensor is set to a range of 1 meter through the pre built potentiometer

display.setCursor(0,0);

display.println("Warning!!!GET AWAY!!!"); 
display.display(); // putting this after every display command is necessary otherwise it wont work
}
else if (a==0){

display.clearDisplay();
display.display();
    }
}