<?php
    $lat = $_POST['Latitud'];
    $lon = $_POST['Longitud'];
    $sn = $_POST['SerialNumber'];
    $sn = $_POST['IdTarjeta'];
    $user = "root";
    $pass = "";
    $server = "localhost";
    $db = "fichar";
    $con = mysqli_connect($server,$user,$pass,$db) or die("Error al conectar al base de datos".mysqli_connect());
    $sql = "INSERT INTO fichaje (Latitud,Longitud,Dispositivo,Id_tarjeta) VALUES($lat,$lon,$sn,$sn,$tdi)";
    //$sql = "INSERT INTO tabla (Longitud) VALUES(lon)";
    //$sql = "INSERT INTO tabla (Dispositivo) VALUES(sn)";
    mysqli_query($con, $sql);


    return $con;


 ?>