1984 Telescreen Using Arduino IDE

1984 Telescreen

~Created by Chloe Quinto~

*/
#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define OLED_MOSI   9
#define OLED_CLK   10
#define OLED_DC    11
#define OLED_CS    12
#define OLED_RESET 13
Adafruit_SSD1306 display(OLED_MOSI, OLED_CLK, OLED_DC, OLED_RESET, OLED_CS);

int note []  = {2349,1976,1397};

int REDled = 5;

int calibrationTime = 30;       
long unsigned int lowIn;        
long unsigned int pause = 5000; 
 
boolean lockLow = true;
boolean takeLowTime; 
 
int pirPin = 3;    
int OLEDPin = 13;

void setup()   {                
  Serial.begin(9600);
  for(int index = 0; index < 3; index++)
  {
    tone(4, note[index], 500);               
    delay(750);                                
  }
  
  pinMode(pirPin, INPUT);
  pinMode(REDled, OUTPUT);
  digitalWrite(pirPin, LOW);
 
  Serial.print("calibrating sensor ");
    for(int i = 0; i < calibrationTime; i++)
    {
      Serial.print(".");
      delay(1000);
     }
    Serial.println(" done");
    Serial.println("SENSOR ACTIVE");
    delay(50);

    pinMode(OLEDPin, OUTPUT);
    
}


void loop(){
 
     if(digitalRead(pirPin) == HIGH){
       digitalWrite(OLEDPin, HIGH);   
       if(lockLow){ 
        
         lockLow = false; 
         Serial.println("---");
         Serial.print("motion detected at ");
         Serial.print(millis()/1000);
         Serial.println(" sec");
         delay(50);          
         display.begin(SSD1306_SWITCHCAPVCC);
         display.clearDisplay();

          testscrolltext();
          display.clearDisplay();
          digitalWrite(REDled, LOW);
          delay(7000);
  digitalWrite(REDled, HIGH);  //dot
  delay(1000);
  digitalWrite(REDled, LOW);
  delay(1000);
  digitalWrite(REDled, HIGH);  //dot
  delay(1000);
  digitalWrite(REDled, LOW);
  delay(1000);
  digitalWrite(REDled, HIGH);  //dot
  delay(1000);
  digitalWrite(REDled, LOW);   //pause 7 seconds
  delay(7000);
  digitalWrite(REDled, HIGH);  //dash
  delay(3000);
  digitalWrite(REDled, LOW);
  delay(1000);
  digitalWrite(REDled, HIGH);  //dash
  delay(3000);
  digitalWrite(REDled, LOW);
  delay(1000);
  digitalWrite(REDled, HIGH);  //dash
  delay(3000);
  digitalWrite(REDled, LOW);   // pause 7 seconds
  delay(7000);
  digitalWrite(REDled, HIGH);  //dot
  delay(1000);
  digitalWrite(REDled, LOW);   //dot
  delay(1000);
  digitalWrite(REDled, HIGH);  //dot
  delay(1000);
          
         }        
         takeLowTime = true;
       }
 
     if(digitalRead(pirPin) == LOW){      
       digitalWrite(OLEDPin, LOW); 
 
       if(takeLowTime){
        lowIn = millis();         
        takeLowTime = false;      
        }
       if(!lockLow && millis() - lowIn > pause){ 
                    lockLow = true;                       
           display.clearDisplay();
           Serial.print("motion ended at ");      
           Serial.print((millis() - pause)/1000);
           Serial.println(" sec");
           delay(50);
           }
       }
  } 

void testscrolltext(void) {
  display.setTextSize(1.25);
  display.setTextColor(WHITE);
  display.setCursor(40,5);
  display.println("Big Brother");
  display.setCursor(25,13);
  display.println("is watching you");
  display.display();
  display.clearDisplay();
 
  display.startscrollright(0x00, 0x0F);
  delay(2000);
  display.stopscroll();
  delay(1000);
  display.startscrollleft(0x00, 0x0F);
  delay(2000);
  display.stopscroll();
  delay(1000);    
  display.startscrolldiagright(0x00, 0x07);
  delay(2000);
  display.startscrolldiagleft(0x00, 0x07);
  delay(2000);
  display.stopscroll();
  delay(1000);
  display.startscrollleft(0x00, 0x0F);
  delay(2000);
  display.stopscroll();
  delay(1000);
  display.startscrollright(0x00, 0x0F);
  delay(2000);
  display.stopscroll();
  delay(10000);
}