AYWY8xFq

1#include <DHT.h>  // Including library for dht
2#include <ESP8266WiFi.h>
3 
4String apiKey = "0545PNPVBZ4DF6FZ";     //  Enter your Write API key from ThingSpeak
5const char *ssid =  "wifi gratisan";     // replace with your wifi ssid and wpa2 key
6const char *pass =  "kadatahu2";
7const char *server = "api.thingspeak.com";
8 
9#define DHTPIN 13          //pin where the dht11 is connected 
10DHT dht(DHTPIN, DHT11); 
11WiFiClient client;
12 
13void setup() {
14  Serial.begin(115200);
15  delay(10);
16  dht.begin();
17  
18  Serial.println("Connecting to ");
19  Serial.println(ssid);
20  
21  WiFi.begin(ssid, pass);
22  while (WiFi.status() != WL_CONNECTED) {
23    delay(500);
24    Serial.print(".");
25  }
26  Serial.println("");
27  Serial.println("WiFi connected");
28 
29}
30 
31void loop() 
32{
33  float h = dht.readHumidity();
34  float t = dht.readTemperature();
35  
36  if (isnan(h) || isnan(t)) {
37    Serial.println("Failed to read from DHT sensor!");
38    return;
39  }
40  
41  if (client.connect(server,80)) {
42    String postStr = apiKey;
43    postStr +="&field1=";
44    postStr += String(t);
45    postStr +="&field2=";
46    postStr += String(h);
47    postStr += "\r\n\r\n";
48 
49    client.print("POST /update HTTP/1.1\n");
50    client.print("Host: api.thingspeak.com\n");
51    client.print("Connection: close\n");
52    client.print("X-THINGSPEAKAPIKEY: "+apiKey+"\n");
53    client.print("Content-Type: application/x-www-form-urlencoded\n");
54    client.print("Content-Length: ");
55    client.print(postStr.length());
56    client.print("\n\n");
57    client.print(postStr);
58 
59    Serial.print("Temperature: ");
60    Serial.print(t);
61    Serial.print(" degrees Celcius, Humidity: ");
62    Serial.print(h);
63    Serial.println("%. Send to Thingspeak.");
64  }
65  client.stop();
66  Serial.println("Waiting...");
67  // thingspeak needs minimum 15 sec delay between updates
68  delay(5000);
69}