1GA1hJ4d

1#include <DHT.h>  // Including library for dht
2 
3#include <ESP8266WiFi.h>
4 
5String apiKey = "VO4FNJCB4U74M6JJ";     //  Enter your Write API key from ThingSpeak
6 
7const char *ssid =  "FLIA GO";     // replace with your wifi ssid and wpa2 key
8const char *pass =  "30083024";
9const char *server = "api.thingspeak.com";
10 
11#define DHTPIN D1          //pin where the dht11 is connected
12 
13DHT dht(DHTPIN, DHT11);
14 
15WiFiClient client;
16 
17void setup() 
18{
19       Serial.begin(115200);
20       delay(10);
21       dht.begin();
22 
23       Serial.println("Connecting to ");
24       Serial.println(ssid);
25 
26 
27       WiFi.begin(ssid, pass);
28 
29      while (WiFi.status() != WL_CONNECTED) 
30     {
31            delay(500);
32            Serial.print(".");
33     }
34      Serial.println("");
35      Serial.println("WiFi connected");
36 
37}
38 
39void loop() 
40{
41  
42      float h = dht.readHumidity();
43      float t = dht.readTemperature();
44      
45              if (isnan(h) || isnan(t)) 
46                 {
47                     Serial.println("Failed to read from DHT sensor!");
48                      return;
49                 }
50 
51                         if (client.connect(server,80))   //   "184.106.153.149" or api.thingspeak.com
52                      {  
53                            
54                             String postStr = apiKey;
55                             postStr +="&field1=";
56                             postStr += String(t);
57                             postStr +="&field2=";
58                             postStr += String(h);
59                             postStr += "\r\n\r\n";
60 
61                             client.print("POST /update HTTP/1.1\n");
62                             client.print("Host: api.thingspeak.com\n");
63                             client.print("Connection: close\n");
64                             client.print("X-THINGSPEAKAPIKEY: "+apiKey+"\n");
65                             client.print("Content-Type: application/x-www-form-urlencoded\n");
66                             client.print("Content-Length: ");
67                             client.print(postStr.length());
68                             client.print("\n\n");
69                             client.print(postStr);
70 
71                             Serial.print("Temperature: ");
72                             Serial.print(t);
73                             Serial.print(" degrees Celcius, Humidity: ");
74                             Serial.print(h);
75                             Serial.println("%. Send to Thingspeak.");
76                        }
77          client.stop();
78 
79          Serial.println("Waiting...");
80  
81  // thingspeak needs minimum 15 sec delay between updates
82  delay(1000);
83}