#define LED_R 14
#define LED_Y 12
#define LED_G 4
#define LED_W1 23 
#define LED_W2 19
#define LED_W3 18
#define LDR 0
#define button_R 17
#define button_Y 16
#define button_G 5
#define PIR 34
int bn_R = 0 ;
int bn_Y = 0 ;
int bn_G = 0 ;
int LDR_value = 0;
byte PIR_value = 0 ;
void setup() {
 Serial.begin(115200);
  pinMode(LED_R, OUTPUT);
  pinMode(LED_Y, OUTPUT);
  pinMode(LED_G, OUTPUT);
  pinMode(LED_W1, OUTPUT);
  pinMode(LED_W2, OUTPUT);
  pinMode(LED_W3, OUTPUT);
  pinMode(LDR , INPUT);
  pinMode(button_R, INPUT);
  pinMode(button_Y, INPUT);
  pinMode(button_G, INPUT);
  pinMode(PIR, INPUT);
}

void loop() {
  bn_R = digitalRead(button_R);
  bn_Y = digitalRead(button_Y);
  bn_G = digitalRead(button_G);
   
   if (bn_R == 1) {
   digitalWrite(LED_R, HIGH); 
  }
  else if (bn_Y == 1 ) {
  digitalWrite(LED_Y, HIGH);
  }
   else if (bn_G == 1 ) {
  digitalWrite(LED_G, HIGH);
  }
  
  else{
   digitalWrite(LED_R, LOW); 
   digitalWrite(LED_Y, LOW);
   digitalWrite(LED_G, LOW);
  }


  LDR_value = digitalRead(LDR);
  Serial.println(LDR_value);
  delay(500);
 if (LDR_value == 1)  {
  digitalWrite(LED_W1, HIGH); 
  digitalWrite(LED_W2, HIGH);
  digitalWrite(LED_W3, HIGH);
 } 
else{
  digitalWrite(LED_W1, LOW); 
  digitalWrite(LED_W2, LOW);
  digitalWrite(LED_W3, LOW);
   }


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

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