#include <DHT.h>;
#define DHTPIN 7
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);
int ledPin = 13;
int ldrPin = A0;
int LED_1 = 12;
const int trigPin = 9;
const int echoPin = 10;
long duration;
int distance;
int array[3] = {1, 2, 3};
int arraySize = sizeof(array) / sizeof(array[0]); // Calculate the size of the array
void setup() {
pinMode(ledPin, OUTPUT);
pinMode(ldrPin, INPUT);
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
pinMode(LED_1, OUTPUT);
Serial.begin(9600);
dht.begin();
}
void loop() {
for (int i = 0; i < arraySize; i++) { // Iterate through the array from 0 to 2
Serial.println(array[i]);
if (array[i] == 1) {
int ldrStatus = analogRead(ldrPin);
Serial.println(ldrStatus);
if (ldrStatus <= 300) {
digitalWrite(ledPin, HIGH);
digitalWrite(LED_1, LOW);
} else {
digitalWrite(ledPin, LOW); // Ensure the LED is turned off if the condition is not met
}delay(3000);
} else if (array[i] == 2) {
digitalWrite(ledPin, LOW);
duration = pulseIn(echoPin, HIGH);
distance = duration * 0.034 / 2;
Serial.print("Distance :");
Serial.println(distance);
Serial.println("cm");
if (distance < 20) {
digitalWrite(LED_1, HIGH);
} else {
digitalWrite(LED_1, LOW); // Ensure the LED is turned off if the condition is not met
}
delay(3000);
} else if (array[i] == 3) {
digitalWrite(ledPin, HIGH);
digitalWrite(LED_1, HIGH);
delay(3000);
}
}
}