CODE NEW

 

#include <ESP8266WiFi.h>

#include  <WiFiClient.h>

#include  <ThingSpeak.h>

const char* ssid = "LTCE";

const char* password = "690391";

const char* host = "file:///C:/Users/Harsh%20Vatre/Desktop/Untitled-1.html

";

const String apiKey = "QLTJTC9CSVSALKJY";

WiFiClient client;

void setup() {

  Serial.begin(115200);

  delay(10);

  // Connect to WiFi network

  Serial.println();

  Serial.println();

  Serial.print("Connecting to ");

  Serial.println(ssid);

  WiFi.begin(ssid, password);

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

    delay(500);

    Serial.print(".");

  }

  Serial.println("");

  Serial.println("WiFi connected");

  Serial.println("IP address: ");

  Serial.println(WiFi.localIP());

}

void loop() {

  if (client.connect(host, 80)) {

    String postStr = apiKey;

    postStr += "&field1=";

    postStr += String(random(100));

    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.println("Posted data to ThingSpeak");

  }

  client.stop();

  delay(20000); // Wait 20 seconds to update again

}