Temperature,Humidity Measurement Using Arduino with ESP8266

1#include <dht11.h>
2#include <SoftwareSerial.h> 
3                                  
4
5String  agAdi = "network";                 // We write the name of our network here.    
6String  agSifresi = "network password";           // We write the password of our network  here.
7
8int rxPin = 10;                                               //ESP8266  RX pini
9int txPin = 11;                                               //ESP8266  TX pini
10int dht11Pin = 2;
11
12String ip = "184.106.153.149";                                //Thingspeak  ip adresi
13float sicaklik, nem;
14
15dht11 DHT11;
16
17SoftwareSerial esp(rxPin,  txPin);                             // We make serial communication pin settings.
18
19void  setup() {  
20  
21  Serial.begin(9600);  // We are starting our communication  with the serial port.
22  Serial.println("Started");
23  esp.begin(115200);                                          // We are starting serial communication  with ESP8266.
24  esp.println("AT");                                         //  We do the module control with the AT command.
25  Serial.println("AT  sent ");
26  while(!esp.find("OK")){                                     // We wait until  the module is ready.
27    esp.println("AT");
28    Serial.println("ESP8266  Not Find.");
29  }
30  Serial.println("OK Command Received");
31  esp.println("AT+CWMODE=1");                                 // We set the ESP8266 module as a client.
32  while(!esp.find("OK")){                                     // We wait until the setting is done.
33    esp.println("AT+CWMODE=1");
34    Serial.println("Setting is ....");
35  }
36  Serial.println("Set as client");
37  Serial.println("Connecting to the Network ...");
38  esp.println("AT+CWJAP=\\""+agAdi+"\\",\\""+agSifresi+"\\"");    // We are connecting to our network.
39  while(!esp.find("OK"));                                     //  We wait until it is connected to the network.
40  Serial.println("connected to  the network.");
41  delay(1000);
42}
43void loop() {
44  esp.println("AT+CIPSTART=\\"TCP\\",\\""+ip+"\\",80");           // We connect to Thingspeak.
45  if(esp.find("Error")){                                      //  We check the connection error.
46    Serial.println("AT+CIPSTART Error");
47  }
48  DHT11.read(dht11Pin);
49  sicaklik = (float)DHT11.temperature;
50  nem  = (float)DHT11.humidity;
51  String veri = "GET https://api.thingspeak.com/update?api_key=9D9YPGYTPOO0QKMR";   // Thingspeak command. We write our own api key in the key part.                                   
52  veri += "&field1=";
53  veri += String(sicaklik);// The temperature variable  we will send
54  veri += "&field2=";
55  veri += String(nem);// The moisture  variable we will send
56  veri += "\
\
57\
\
58"; 
59  esp.print("AT+CIPSEND=");                                   // We give the length of data that we will send  to ESP.
60  esp.println(veri.length()+2);
61  delay(2000);
62  if(esp.find(">")){                                          // The commands in it are running when  ESP8266 is ready..
63    esp.print(veri);                                          //  We send the data.
64    Serial.println(veri);
65    Serial.println("Data sent.");
66    delay(1000);
67  }
68  Serial.println("Connection Closed.");
69  esp.println("AT+CIPCLOSE");                                // we close the link
70  delay(1000);                                               //  We wait 1 minute for sending new data.
71}