DATA LOGGER

 #include <WiFi.h>

#include <HTTPClient.h>

#include <Wire.h>

#include "Adafruit_SHT31.h"

// ---------- Wi-Fi ----------

const char* ssid = "LEOMASTER";

const char* password = "123456789";

// ---------- Google Apps Script ----------

const char* scriptURL = "https://script.google.com/macros/s/AKfycbxqx832rkd68MmhMnbllSZFzFE7h5NBoRL1gofs88IVuYAPS3IsWSnvUgpg8VWy8Hgs/exec";

// ---------- SHT30 ----------

Adafruit_SHT31 sht30 = Adafruit_SHT31();

void setup() {

  Serial.begin(115200);

  Wire.begin(21, 22);

 

  if (!sht30.begin(0x44)) {

    Serial.println("SHT30 not found!");

    while (1);

  }

  Serial.println("SHT30 connected!");

  WiFi.begin(ssid, password);

  Serial.print("Connecting to Wi-Fi");

  while (WiFi.status() != WL_CONNECTED) {

    delay(500);

    Serial.print(".");

  }

  Serial.println();

  Serial.println("Wi-Fi connected!");

  Serial.print("ESP32 IP address: ");

  Serial.println(WiFi.localIP());

}

void loop() {

  // Read temperature and humidity

  float temperature = sht30.readTemperature();

  float humidity = sht30.readHumidity();

  // Definimos el valor de AQI (Calidad del aire).

  int aqi = 45;

  // Check sensor data

  if (isnan(temperature) || isnan(humidity)) {

    Serial.println("Error reading SHT30");

    delay(5000);

    return;

  }

  // Show data in Serial Monitor

  Serial.println("----------------------------");

  Serial.print("Temperature: ");

  Serial.print(temperature);

  Serial.println(" °C");

  Serial.print("Humidity: ");

  Serial.print(humidity);

  Serial.println(" %");

  Serial.print("AQI: ");

  Serial.println(aqi);

  // Send data to Google Sheets using POST and JSON

  if (WiFi.status() == WL_CONNECTED) {

    HTTPClient http;

    // Iniciamos la conexión con la URL del script

    http.begin(scriptURL);

    // Indicamos que los datos se envían en formato JSON

    http.addHeader("Content-Type", "application/json");

    // Construimos el paquete JSON con las variables

    String httpRequestData = "{\"temperature\":" + String(temperature, 2) +

                             ",\"humidity\":" + String(humidity, 2) +

                             ",\"aqi\":" + String(aqi) + "}";

    Serial.println("Sending JSON data to Google Sheets...");

    // Enviamos la petición POST con los datos empaquetados

    int httpResponseCode = http.POST(httpRequestData);

    if (httpResponseCode > 0) {

      Serial.print("HTTP Response code: ");

      Serial.println(httpResponseCode);

      String response = http.getString();

      Serial.print("Server response: ");

      Serial.println(response);

    } else {

      Serial.print("Error sending data: ");

      Serial.println(httpResponseCode);

    }

    http.end();

  } else {

    Serial.println("Wi-Fi disconnected!");

  }

  delay(10000);

}