How to read data from serial port in PHP?
For Windows the Example 1 looks same this one: <?php exec('mode com1: baud=9600 data=8 stop=1 parity=n xon=on'); // execute 'help mode' in command line of Windows for help $fd = dio_open('com1:', O_RDWR); while (1) { $data = dio_read($fd, 256); if ($data) { echo $data; } } ?>