Скачать или смотреть LCD display with arduino and weather sensor

// Define pins
const int pirPin = 2; // PIR motion sensor pin
const int doorPin = 3; // Door sensor pin
const int buzzerPin = 4; // Buzzer pin
const int ledPin = 5; // LED pin

void setup() {
// Initialize serial communication
Serial.begin(9600);

// Initialize pins
pinMode(pirPin, INPUT);
pinMode(doorPin, INPUT);
pinMode(buzzerPin, OUTPUT);
pinMode(ledPin, OUTPUT);

// Initially turn off buzzer and LED
digitalWrite(buzzerPin, LOW);
digitalWrite(ledPin, LOW);
}

void loop() {
// Read sensors
int pirState = digitalRead(pirPin);
int doorState = digitalRead(doorPin);

// If motion is detected or door is opened
if (pirState == HIGH || doorState == HIGH) {
// Turn on buzzer and LED
digitalWrite(buzzerPin, HIGH);
digitalWrite(ledPin, HIGH);
Serial.println("Intrusion detected!");
} else {
// Turn⬤