ADC data on ServerΒΆ

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#include <ESP8266WiFi.h>

//Enter your WiFi credentials here
const char* ssid = "****";
const char* password = "****";

int ledPin = 5; // GPIO13
WiFiServer server(80);

void setup() {
  Serial.begin(115200);
  delay(10);

  pinMode(ledPin, OUTPUT);
  digitalWrite(ledPin, LOW);

  // 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");
  server.begin();
  Serial.println("Server started");
  Serial.print("Use this URL to connect: ");
  Serial.print("http://");
  Serial.print(WiFi.localIP());
  Serial.println("/");
}
void loop() {
  // Check if a client has connected
  WiFiClient client = server.available();
  if (!client) {
    return;
  }

  // Wait until the client sends some data
  Serial.println("new client");
  while(!client.available()){
    delay(1);
  }
  float value =analogRead(A0);
Serial.println(value);

client.println("HTTP/1.1 200 OK");
  client.println("Content-Type: text/html");
  client.println("Refresh: 5");         //  This line tells the browser to refresh every 5 seconds
  client.println("");                           //  do not forget this one
  client.println("<!DOCTYPE HTML>");
  client.print("analog input ");

  client.print(" is ");
  client.print(value);
  client.println("<br />");
  client.println("</html>");
   Serial.println("Client disonnected");
  Serial.println("");
}