Como leer datos de mysql esp32

<?php
$conexion = mysql_connect("localhost", "******", "******");
mysql_select_db("proyectos",$conexion);
$resultado = mysql_query("SELECT nombre FROM accesorfid WHERE id='" . $_GET['id']. "'", $conexion);
$nombre = mysql_result($resultado, 0);

echo "valor=" . $nombre . ";";
?>

Source: rinconingenieril.es

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