Code

#include <Wire.h>
#include <BH1750.h>
#include <WiFiNINA.h>

//WiFi credentials
char ssid[] = "LIAM";
char pass[] = "HOTSPOTHOTSHOT";

//IFTTT Webhooks configuration
char HOST_NAME[] = "maker.ifttt.com";
String PATH_NAME = "https://maker.ifttt.com/trigger/light_sensor/with/key/b13Vx0B-E3zQxq32yDgVQ_";

//Updated Webhooks URL
String query = "?value1="; 

//Query parameters for light readings
WiFiClient client;
BH1750 lightMeter;

void setup()
{
  Serial.begin(9600);
  while (!Serial);

  //Initialize the I2C bus and BH1750 sensor
  Wire.begin();
  lightMeter.begin();

  //Connect to WiFi
  WiFi.begin(ssid, pass);

  while(WiFi.status()!= WL_CONNECTED)
  {
    delay(500);
    Serial.print(".");
  }

  Serial.println("The Wifi has connected");

  //Connect to IFTTT server
  if(client.connect(HOST_NAME,80))
  {
    Serial.println("Connected to the IFTTT server");
  }
  else
  {
    Serial.println("The connection to the IFTTT server failed");
  }
}

void loop()
{
  //Read light level from BH1750 sensor
  float reading = lightMeter.readLightLevel();

  Serial.print("Light reading: ");
  Serial.print(reading);
  Serial.println("lx");

  //Send HTTP request to IFTTT with light readings
  sendIFTTT(PATH_NAME + query + String(reading));
  //Send readings every  second
  delay(1000);
}

void sendIFTTT(String path)
{
  //Send HTTP request to IFTTT Webhooks
  if(client.connected())
  {
    client.println("GET " + path + " HTTP/1.1");
    client.println("Host: " + String(HOST_NAME));
    client.println();

    Serial.println("Data has been transmitted.");
  }
  else
  {
    Serial.println("The data has not been sent.");
  }
}