#include <Wire.h>                             
#include <Adafruit_GFX.h>                
#include <Adafruit_SSD1306.h>                        
 
#define OLED_RESET 4                                
Adafruit_SSD1306 display(OLED_RESET);    
 
int count = 0;                                        
long lastDebounceTime = 0;                            
long debounceDelay = 500;                            
 
 
 
 
void setup() {
 
  pinMode(2,INPUT_PULLUP);                         
  pinMode(15,INPUT_PULLUP);                      
  
  Serial.begin(9600);                               
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);  
  display.display();                                  
  delay(500);                                        
  display.clearDisplay();                            
 
 
}
 
void loop() {
 
 int pressedUp = digitalRead(2);
 int pressedDown = digitalRead(15);                      

  if ( (millis() - lastDebounceTime) > debounceDelay) {
    
    if (pressedUp == 0) {
 
      count++;                                       
      Serial.println("Blue Up");
      lastDebounceTime = millis();
    }
    
    if (pressedDown == 0) {

      count--; 
      Serial.println("Red Down");
      lastDebounceTime = millis();
    }

    if (pressedDown == 0 && pressedUp == 0) {
 
      count = 0;
      Serial.println("Reset");
      lastDebounceTime = millis();                                     
    }
  }
 
  display.clearDisplay();
  display.setTextSize(5);
  display.setTextColor(WHITE);
  display.setCursor(0,0);
  display.clearDisplay();
  display.println(count);
  display.display();
}