DHT_IoTtweet.ino 2.14 KB
/*
 * This example demonstrate how to write data from your "Internet of Things" to IoTtweet dashboard
 * coding from IoTtweet.com
 * Created : 2018.Apr.27
 * By Isaranu Janthong
 * IoTtweet Founder.
 * Visit us at : www.iottweet.com
 */

#include <ESP8266WiFi.h>
#include <IoTtweet.h>
#include "DHT.h"

const char *userid = "your_IoTtweet_userID";            //IoTtweet account user ID (6 digits, included zero pre-fix)
const char *key = "your_registered_IoT_device_key";     //IoTtweet registered device key in "MY IOT Garage"
const char *ssid = "your_wifi_ssid";                    //Your-WiFi-router-SSID
const char *password = "your_wifi_password";            //Your-WiFi-password

float data0, data1, data2, data3;                        //Your sending data variable.
String private_tweet = "Simple DHT";                    //Your private tweet meassage to dashboard
String public_tweet = "send to IoTtweet";         //Your public tweet message to dashboard

#define DHTPIN 4 // GPIO4 pin
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

float t,h;

IoTtweet myiot;  //naming your devices

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

  //Get IoTtweet Library version
  String libvers = myiot.getVersion();
  Serial.println("IoTtweet Library vesion : " + String(libvers));

  //Connect WiFi
  Serial.println("\nConnect wifi...");
  bool conn = myiot.begin(ssid,password);

    if(!conn)
    {
      Serial.println("WiFi connection failed.");
    }else
    {
      Serial.println("WiFi connected !");
     }

}  

void loop() {

  /* - DHT sensor reading - */
  t = dht.readTemperature();
  h = dht.readHumidity();

  if (isnan(t) || isnan(h)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  Serial.println("Temperature is " + String(t) + " celcuis");
  Serial.println("Humidity is " + String(h) + " %RH");
  Serial.println("----------------------------------------");

  //Send data from your iot to Dashboard
  String response = myiot.WriteDashboard(userid,key,t,h,0,0,private_tweet,public_tweet);
  Serial.println(response);   //Show response JSON from www.iottweet.com
  
  //Waiting storage data on IoTtweet cloud 15 sec.
  delay(15000);
}