// Iot.electronixforu.com 
// username xxxx, password xxxx
// Hardware: ESP8266 generic,DHT11
//date august 30, 2018
//pASSHROUGH mODE FASTER MODE
//tested on august 31, 2018, time 2:53AM
//auto connect after internet interruption
#include <DHT.h>  // Including library for dht

#include <ESP8266WiFi.h>
 
String apikey = "6a22f591bd197";     //  Enter your  API key from iot.electronixforu.com

const char *ssid =  "ultra HD";     // replace with your wifi ssid and wpa2 key
const char *pass =  "12345678";
const char* server = "iot.electronixforu.com";
String web = "iot.electronixforu.com";


#define DHTPIN 0          //pin where the dht11 is connected
 
DHT dht(DHTPIN, DHT11);

WiFiClient client;
 
void setup() 
{
       Serial.begin(115200);
       delay(10);
       dht.begin();
 
       Serial.println("Connecting to ");
       Serial.println(ssid);
 
 
       WiFi.begin(ssid, pass);
 
      while (WiFi.status() != WL_CONNECTED) 
     {
            delay(500);
            Serial.print(".");
     }
      Serial.println("");
      Serial.println("WiFi connected");
  init_esp();
 
}
 //*************************main Loop
void loop() 
{
  
      float h = dht.readHumidity();
      float t = dht.readTemperature();
      //float h = 33.4;
      //float t = 12.5;
      
              if (isnan(h) || isnan(t)) 
                 {
                    Serial.println("Failed to read from DHT sensor!");
                   return;
                 }

                         if (client.connect(server,80))  
                         {  
                            
          String getStrf = "GET /post.php?api_key=";
          getStrf += apikey;
          getStrf +="&field1=";
          getStrf += String(t);
          getStrf += "&field2=";
          getStrf += String(h);
          getStrf +="&field3=";
          getStrf += String(t);
          getStrf += "&field4=";
          getStrf += String(h);
          getStrf += " HTTP/1.1";
          getStrf += String("\r\n");
          getStrf += "Host: ";
          getStrf += web;
          getStrf += String("\r\n\r\n");
  
                      
                             client.print(getStrf);
 
                             Serial.print("Temperature: ");
                             Serial.print(t);
                             Serial.print(" degrees Celcius, Humidity: ");
                             Serial.print(h);
                             Serial.println("%. Send to iot_web.");
                        }
          client.stop();
 
          Serial.println("Waiting...");
  
  delay(1000);
}
//****************initialize ESP8266 with Passthrough mode for iot.electronixforu.com**************
void init_esp()
{
Serial.println("initializing");
client.print ("AT+CIPMUX=0");   // set esp8266 as client
delay(1000);
//ser.println ("AT+CWJAP=\""+ssid+"\",\""+password+"\"");  // set your home router SSID and password
client.print ("AT+CIPSTART=\"TCP\",\"iot.electronixforu.com\",80\r\n");  // 
delay(4000);
client.print ("AT+CIPMODE=1");   // set passthrough mode
delay(1000);
client.print ("AT+CIPSEND");   // send data without length
delay(1000);
}