ThingSpeak

#ifdef SPARK #include "ThingSpeak/ThingSpeak.h" #else #include "ThingSpeak.h" #endif #include ESP8266WiFi.h #include DHT.h #include WiFiClient.h #include ESP8266WebServer.h String apiKey = "SK93H9OUYLARLFYN"; // Enter your Write API key from ThingSpeak

const char ssid = "Ludo"; // replace with your wifi ssid and wpa2 key const char *pass = "12345678901"; const char server = "api.thingspeak.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");
}
void loop() 
{
      float h = dht.readHumidity();
      float t = dht.readTemperature();
      if (isnan(h) || isnan(t)) 
                 {
                     Serial.println("Failed to read from Sensors!");
                      return;
                 }
                         if (client.connect(server,80))   //   "184.106.153.149" or api.thingspeak.com
                      {  
                             String postStr = apiKey;
                             postStr +="&field1=";
                             postStr += String(t);
                             postStr +="&field2=";
                             postStr += String(h);

                             postStr += "\r\n\r\n";

                             client.print("POST /update HTTP/1.1\n");
                             client.print("Host: api.thingspeak.com\n");
                             client.print("Connection: close\n");
                             client.print("X-THINGSPEAKAPIKEY: "+apiKey+"\n");
                             client.print("Content-Type: application/x-www-form-urlencoded\n");
                             client.print("Content-Length: ");
                             client.print(postStr.length());
                             client.print("\n\n");
                             client.print(postStr);
                             Serial.print("Temperature: ");
                             Serial.print(t);
                             Serial.print(" degrees Celcius, Humidity: ");
                             Serial.print(h);
                             Serial.println("%. Send to Thingspeak.");
                        }
          client.stop();
          Serial.println("Waiting...");
  delay(1000);
}