IOT LAB EXP 4.1 PROGRAM

 #include <ESP8266WiFi.h>

 #include <ESP8266HTTPClient.h>

 const char* ssid = "ECE_STAFF_ROOM";

 const char* password = "specnet@23";

 String server = "http://api.thingspeak.com/update";

 String apiKey = "65AZ09LAJJKJQ0D3";

 WiFiClient client;

 #include <DHT.h>

 #define DHTPIN 4

 #define DHTTYPE DHT11

 DHT dht(DHTPIN,DHTTYPE);

 float h;

 float t;

  void setup() {

 Serial.begin(115200);

 WiFi.begin(ssid, password);

 Serial.print("Connecting.");

 while(WiFi.status() != WL_CONNECTED){

 delay(1000);

 Serial.print(".");

 }

 Serial.println(": Connected to WiFi!");

 dht.begin();

 }

 void loop() {

 h = dht.readHumidity();

 t = dht.readTemperature();

 HTTPClient http;

 // Place your 10-digit roll number in the string below

 String url = server + "?api_key=" + apiKey + "&field1=22261A0400" +

 "&field2="+String(h) + "&field3="+ String(t);

 http.begin(client,url);

 int httpCode = http.GET();

 if(httpCode > 0){

 Serial.println("Data Sent Successfully");

 }else{

 Serial.println("Error sending data");

 }

 http.end();

 delay(5000);

 }