SmartLighting.cpp

#include <Servo.h>
    #define trigPin 12
    #define echoPin 13
    int IRSensor = 7;
    int sound = 100;
    int distance;
    int buzzer = 11;
    Servo servo_test;
    Servo servo_test1;
    int angle = 180;
    
    void setup() {
      Serial.begin(9600);
      pinMode(trigPin, OUTPUT);
      pinMode(echoPin, INPUT);
      pinMode(buzzer, OUTPUT);
      servo_test.attach(9);
      servo_test1.attach(8);
      pinMode(IRSensor, INPUT);
    }
    
    void loop() {
      long duration, distance;
      digitalWrite(trigPin, LOW);
      delayMicroseconds(2);
      digitalWrite(trigPin, HIGH);
      delayMicroseconds(10);
      digitalWrite(trigPin, LOW);
      duration = pulseIn(echoPin, HIGH);
      distance = (duration * 0.034) / 2;
      Serial.print(distance);
      irs();
      if (distance < 10) {
        tone(buzzer, sound);
        //lcd
      }
      if (distance > 20) {
        //tone(buzzer, sound);
        Serial.print(distance);
        Serial.println(" cm");
        //lcd display
        //  if (distance >30)
        // {
        // serv();
        //}
      }
      //else
      //{
      // noTone(buzzer);
      //}
      delay(500);
    }
    
    void serv() {
      for (angle = 0; angle < 90; angle += 1) {
        servo_test.write(angle);
        servo_test1.write(angle);
        delay(15);
      }
      delay(1000);
      for (angle = 90; angle >= 1; angle -= 15) {
        servo_test.write(angle);
        servo_test1.write(angle);
        delay(5);
      }
    }
    
    void irs() {
      int sensorStatus = digitalRead(IRSensor);
      if (sensorStatus == 1) {
        noTone(buzzer);
      } else {
        tone(buzzer, sound);
      }
    }