program.ide

#include <WiFiNINA.h>            // Include WiFiNINA library to handle Wi-Fi connections
#include <ArduinoHttpClient.h>    // Include HttpClient library to make HTTP requests

char ssid[] = "arsh";              
char pass[] = "12345678";         

const int lightSensorPin = A4;    // Pin connected to light sensor
int threshold = 500;              // Light level threshold for triggering IFTTT event

char serverAddress[] = "maker.ifttt.com";  // IFTTT server address
String eventName = "Light_trigger";        // IFTTT event name

const String IFTTT_Key = "gX6g80rGtiYOWoqcL-7w9t7M1TVnlAyBcMVk8jtbOM4";  // unique IFTTT key
WiFiClient wifi;                  // Create WiFi client object
HttpClient client = HttpClient(wifi, serverAddress, 80);  // Create HTTP client with IFTTT server on port 80

void setup() {
  Serial.begin(9600);  // Initialize serial communication for debugging
  connectToWiFi();     // Call function to connect to Wi-Fi
}

void loop() {
  int lightLevel = analogRead(lightSensorPin);  // Read light level from sensor
  Serial.print("Light Level: ");
  Serial.println(lightLevel);  // Print light level for debugging

  if (lightLevel > threshold) {  // If light level exceeds threshold, trigger IFTTT event
    triggerIFTTTEvent();         // Call function to send HTTP request to IFTTT
    delay(10000);                // Wait for 10 seconds before the next reading
  }

  delay(1000);  // Wait 1 second between readings
}

void connectToWiFi() {
  Serial.println("Connecting to WiFi...");
  while (WiFi.begin(ssid, pass) != WL_CONNECTED) {  // Keep trying to connect to Wi-Fi
    Serial.print(".");
    delay(1000);  // Wait 1 second between connection attempts
  }
  Serial.println("\nConnected to WiFi");
  Serial.print("IP Address: ");
  Serial.println(WiFi.localIP());  // Print the assigned IP address
}

void triggerIFTTTEvent() {
  String url = "/trigger/" + eventName + "/with/key/" + IFTTT_Key;  // Construct IFTTT request URL

  Serial.println("Sending request to IFTTT...");
  client.get(url);  // Send GET request to the IFTTT server

  int statusCode = client.responseStatusCode();  // Get HTTP response status code
  String response = client.responseBody();       // Get HTTP response body

  Serial.print("Status code: ");
  Serial.println(statusCode);  // Print status code for debugging

  if (statusCode == 200) {  // Check if status code is 200 (OK)
    Serial.println("Event triggered successfully!");
  } else {
    Serial.println("Failed to trigger event.");
  }

  Serial.print("Response: ");
  Serial.println(response);  // Print response body for debugging
}