#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

#define pinLed_Y 19
#define pinLed_G 18
#define pinLed_R 17
#define PB_Y 12
#define PB_G 14
#define buzzer 5
unsigned char Status_PB_Y, Status_PB_G;
unsigned long PrevMillis;
unsigned int  Interval=150, Interval2=500, Interval3=2000;
unsigned int Counter = 0;

void setup() {
  Serial.begin(115200);
  pinMode(PB_Y, INPUT);
  pinMode(PB_G, INPUT);
  pinMode(pinLed_Y, OUTPUT);
  pinMode(pinLed_G, OUTPUT);
  pinMode(pinLed_R, OUTPUT);
  pinMode(buzzer, OUTPUT);
  lcd.init();
  lcd.backlight();
  lcd.setCursor(5,0);
  lcd.print("TOLI 5A");
  lcd.setCursor(0,1);
  lcd.print("Count:");

}

void loop() {

int Status_PB_Y = digitalRead(PB_Y);
int Status_PB_G = digitalRead(PB_G);

if (millis() - PrevMillis >= Interval){
    PrevMillis = millis();
      Status_PB_Y = digitalRead(PB_Y);
      Status_PB_G = digitalRead(PB_G);
      if (Status_PB_Y == 1 ){
        digitalWrite(pinLed_Y, HIGH);
        Counter++;
        lcd.setCursor(7,1);
        lcd.print(Counter);
      }
      else{
        digitalWrite(pinLed_Y, LOW);
      }
}

if (Status_PB_Y == HIGH || Status_PB_G == HIGH)
{
    digitalWrite(pinLed_G, HIGH);
  } else {
    digitalWrite(pinLed_G, LOW); 
  }

if (Status_PB_Y == HIGH && Status_PB_G == HIGH)
{
    digitalWrite(pinLed_Y, HIGH);
  } else {
    digitalWrite(pinLed_Y, LOW); 
  }

if (!(Status_PB_Y == HIGH) && !(Status_PB_G == HIGH))
{
    digitalWrite(pinLed_R, HIGH);
  } else {
    digitalWrite(pinLed_R, LOW); 
  }

  tone(buzzer, 200);
  delay(250);
  noTone(buzzer);
  delay(100);

}