Air Pollution Monitoring with AirIoT

#include <Wire.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BME280.h>
#include <ArduinoJson.h>
#include <WiFi.h>
#include <HTTPClient.h>

const char* ssid = "your ssid";
const char* password = "your password";

const char* serverName1 = "https://api.iotsnacksbox.io/trigger/temperature?snacksboxtoken=xxxxxxxxxxxxxxxxxxxxxxxxxxxx" ; // Replace the xxx with your token
const char* serverName2 = "https://api.iotsnacksbox.io/trigger/humidity?snacksboxtoken=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" ; // Replace the xxx with your token
const char* serverName3 = "https://api.iotsnacksbox.io/trigger/pressure?snacksboxtoken=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" ; // Replace the xxx with your token
const char* serverName4 = "https://api.iotsnacksbox.io/trigger/altitude?snacksboxtoken=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" ; // Replace the xxx with your token



#define SEALEVELPRESSURE_HPA (1009)

float Temperature;
float Pressure;
float Altitude;
float Humidity;

Adafruit_BME280 bme;



void setup() {
  Serial.begin(115200);

  if (!bme.begin(0x76)) {
    Serial.println("Could not find a valid BME280 sensor, check wiring!");
    while (1);
  }

  WiFi.begin(ssid, password);
  Serial.println("Connecting");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.print("Connected to WiFi network with IP Address: ");
  Serial.println(WiFi.localIP());

}


void Post_Temperature() {
  Serial.print("Temperature = ");
  Serial.print(bme.readTemperature());
  Serial.println("*C");
  Temperature = bme.readTemperature();

  HTTPClient http;
  http.begin(serverName1);

  // Specify content-type header
  http.addHeader("Content-Type", "application/x-www-form-urlencoded");
  http.addHeader("Content-Type", "application/json");

  const size_t capacity = 2 * JSON_OBJECT_SIZE(1);
  char buffer[capacity];
  DynamicJsonDocument doc(capacity);
  JsonObject data = doc.createNestedObject("data");
  data["Temperature"] = Temperature;
  serializeJson(doc, buffer);
  Serial.println(buffer);


  String httpRequestData = buffer;
  int httpResponseCode = http.POST(httpRequestData);

  Serial.print("HTTP Response code: ");
  Serial.println(httpResponseCode);
  http.end();
}

void Post_Humidity() {
  Serial.print("Humidity = ");
  Serial.print(bme.readHumidity());
  Serial.println("%");
  Humidity = bme.readHumidity();

  HTTPClient http;
  http.begin(serverName2);

  // Specify content-type header
  http.addHeader("Content-Type", "application/x-www-form-urlencoded");
  http.addHeader("Content-Type", "application/json");

  const size_t capacity = 2 * JSON_OBJECT_SIZE(1);
  char buffer[capacity];
  DynamicJsonDocument doc(capacity);
  JsonObject data = doc.createNestedObject("data");
  data["Humidity"] = Humidity;
  serializeJson(doc, buffer);
  Serial.println(buffer);


  String httpRequestData = buffer;
  int httpResponseCode = http.POST(httpRequestData);

  Serial.print("HTTP Response code: ");
  Serial.println(httpResponseCode);
  http.end();

}

void Post_Pressure() {
  Serial.print("Pressure = ");
  Serial.print(bme.readPressure() / 100.0F);
  Serial.println("hPa");
  Pressure = (bme.readPressure() / 100.0F);

  HTTPClient http;
  http.begin(serverName3);

  // Specify content-type header
  http.addHeader("Content-Type", "application/x-www-form-urlencoded");
  http.addHeader("Content-Type", "application/json");

  const size_t capacity = 2 * JSON_OBJECT_SIZE(1);
  char buffer[capacity];
  DynamicJsonDocument doc(capacity);
  JsonObject data = doc.createNestedObject("data");
  data["Pressure"] = Pressure;
  serializeJson(doc, buffer);
  Serial.println(buffer);


  String httpRequestData = buffer;
  int httpResponseCode = http.POST(httpRequestData);

  Serial.print("HTTP Response code: ");
  Serial.println(httpResponseCode);
  http.end();


}

void Post_Altitude() {
  Serial.print("Approx. Altitude = ");
  Serial.print(bme.readAltitude(SEALEVELPRESSURE_HPA));
  Serial.println("m");
  Altitude = (bme.readAltitude(SEALEVELPRESSURE_HPA));

   HTTPClient http;
  http.begin(serverName4);

  // Specify content-type header
  http.addHeader("Content-Type", "application/x-www-form-urlencoded");
  http.addHeader("Content-Type", "application/json");

  const size_t capacity = 2 * JSON_OBJECT_SIZE(1);
  char buffer[capacity];
  DynamicJsonDocument doc(capacity);
  JsonObject data = doc.createNestedObject("data");
  data["Altitude"] = Altitude;
  serializeJson(doc, buffer);
  Serial.println(buffer);


  String httpRequestData = buffer;
  int httpResponseCode = http.POST(httpRequestData);

  Serial.print("HTTP Response code: ");
  Serial.println(httpResponseCode);
  http.end();

  
}



void loop() {

  if (WiFi.status() == WL_CONNECTED) {
    HTTPClient http;
    Post_Temperature();
    Post_Humidity();
    Post_Pressure();
    Post_Altitude();
    delay(5000);
  }
  else {
    Serial.println("WiFi Disconnected");
  }


}