//Included libraries
#include <Wire.h>
#include <Servo.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
//Setup
Servo myServo1;
const char BUTTON_PIN = 4;
bool pressed  = false;
#define OLED_RESET -1
Adafruit_SSD1306 display(OLED_RESET);

void setup() {
//pinModes
tone(5, 800, 200);
display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(WHITE);
display.setCursor(1,0);
display.print("Vending Machine");
display.setCursor(1,10);
display.print("Only $0.25");
display.display();
myServo1.attach(3);
pinMode(BUTTON_PIN, INPUT_PULLUP);
}

void loop() {
//Read button
bool currentState = digitalRead(BUTTON_PIN);

if (currentState == pressed){
//Activated
while(digitalRead(BUTTON_PIN) == pressed) {
  tone(5, 800, 200);
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(WHITE);
display.setCursor(1,0);
display.print("Enjoy your");
display.setCursor(1,10);
display.print("Snack!");
display.display();
myServo1.write(90);
delay(2000);
myServo1.write(0);
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(WHITE);
display.setCursor(1,0);
display.print("Vending Machine");
display.setCursor(1,10);
display.print("Only $0.25");
display.display();
delay(1000);

  }
 }

}