#define RED 1
#define YELLOW 5
#define GREEN 9
#define BUZZER 10

void setup() {
  pinMode(RED, OUTPUT);
  pinMode(YELLOW, OUTPUT);
  pinMode(GREEN, OUTPUT);
  pinMode(BUZZER, OUTPUT);
  pinMode(15, INPUT);
  Serial1.begin(115200);
  Serial1.println("Hello, Raspberry Pi Pico!");
}

void loop() {
  digitalWrite(GREEN, HIGH);
  delay(3000);

  digitalWrite(GREEN, LOW);
  digitalWrite(YELLOW, HIGH);
  delay(1000);
  int PIR =digitalRead(15);
  if (PIR== HIGH)
  {
    Serial1.println("MOTION DETECTED");
    tone(10,250,30);
    delay(500);
  }
  else
  {
    Serial1.println("NO MOTION DETECTED");
    delay(500);
  }

  digitalWrite(YELLOW, LOW);
  digitalWrite(RED, HIGH);
  delay(1000);
  PIR=digitalRead(15);
  if (PIR== HIGH)
  {
    Serial1.println("MOTION DETECTED");
    tone(10,250,30);
    delay(500);
  }
  else
  {
    Serial1.println("NO MOTION DETECTED");
    delay(500);
  }
  digitalWrite(YELLOW, HIGH);
  digitalWrite(RED, LOW);
  delay(1000);
  PIR =digitalRead(15);
  if (PIR== HIGH)
  {
    Serial1.println("MOTION DETECTED");
    tone(10,250,30);
    delay(500);
  }
  else
  {
    Serial1.println("NO MOTION DETECTED");
    delay(500);
  }
  digitalWrite(YELLOW,LOW);


  
}