// Include libraries at the beginning
#include <Servo.h>
// Define your variables
const int pirPin = 0;   // Pin for the PIR motion sensor (GPIO15)
Servo motor;             // Create a Servo object to control the motor
const int motorPin = 1;  // Pin for the servo motor (GPIO16)
int pirState = LOW;       // Variable to store the current state of PIR (motion detected or not)
void setup() {
  // put your setup code here, to run once:
  Serial1.begin(115200);
  Serial1.println("Hello, Raspberry Pi Pico!");
  // Setup pins and start the motor object
  pinMode(pirPin, INPUT);   // Set PIR pin as input
  motor.attach(motorPin);   // Attach the servo motor to the motor pin
  
  // Initialize the motor to a neutral position
  motor.write(90);          // 90 degrees = motor is stationary
  Serial.begin(9600);       // Start serial monitor for debugging
}
void loop() {
  // put your main code here, to run repeatedly:
 // Read the PIR sensor value
  pirState = digitalRead(pirPin);
  
  // Check if motion is detected (PIR gives a HIGH signal when motion is detected)
  if (pirState == HIGH) {
    Serial.println("Motion detected!");
    // Move the motor to 180 degrees (or any desired angle)
    motor.write(180);
  } else {
    Serial.println("No motion.");
    // Move the motor back to 90 degrees (neutral position)
    motor.write(90);
  }
  delay(10); // Delay for stability
 
}