#define LED_R 12
#define LED_P 27
#define LED_Y 14
#define LDR 16
#define PIR 34
byte LDR_value = 0;
byte PIR_value = 0 ;

#define button_R 13
#define button_Y 26
#define button_G 25
#define LED_R 19
#define LED_Y 18
#define LED_G 5
int bnR =0;
int bnY =0;
int bnG =0;

void setup() {
  Serial.begin(115200);
  pinMode(LED_R, OUTPUT);
  pinMode(LED_P, OUTPUT);
  pinMode(LED_Y, OUTPUT);
  pinMode(LDR, INPUT);
  Serial.end();
  Serial.begin(115200);
  pinMode(LED_Y, OUTPUT);
  pinMode(LED_R, OUTPUT);
  pinMode(LED_G, OUTPUT);
  pinMode(button_R, INPUT);
  pinMode(button_Y, INPUT);
  pinMode(button_G, INPUT);
} 
void loop() {
  LDR_value = digitalRead(LDR);
  Serial.println(LDR_value);
  if (LDR_value == 1) {
    digitalWrite(LED_R, HIGH);
    digitalWrite(LED_P, HIGH);
    digitalWrite(LED_Y, HIGH);
  }
  else{
    digitalWrite(LED_R, LOW);
    digitalWrite(LED_P, LOW);
    digitalWrite(LED_Y, LOW);
  }
   delay(500);
  
  bnR=digitalRead(button_R);
  bnY=digitalRead(button_Y);
  bnG=digitalRead(button_G);

  Serial.print(" Y : ");
  Serial.println(bnY);
  Serial.print(" R : ");
  Serial.println(bnR);
  Serial.print(" G : ");
  Serial.println(bnG);
  if (bnR== 1){
    digitalWrite(LED_R, HIGH);
    digitalWrite(LED_Y, LOW);
    digitalWrite(LED_G, LOW);
  }
  else if (bnY == 1) {
    digitalWrite(LED_R, LOW);
    digitalWrite(LED_Y, HIGH);
    digitalWrite(LED_G, LOW);
  }
  else if (bnG == 1) {
    digitalWrite(LED_R, LOW);
    digitalWrite(LED_Y, LOW);
    digitalWrite(LED_G, HIGH);
  }
  else{
    digitalWrite(LED_R, LOW);
    digitalWrite(LED_Y, LOW);
    digitalWrite(LED_G, LOW);
  
  }
  delay(100);

  PIR_value = digitalRead(PIR);
  Serial.println(PIR_value);
  delay(1000);

  if (PIR_value == 1) {
    digitalWrite(LED_R, HIGH);

  }
else{
    digitalWrite(LED_R, LOW);
  }
}