use the php_dio.dll, you may download it on pecl4win.php.net. On 4/18/06, Kahnjure <kahnjure@xxxxxxxxx> wrote: > > I have a pan and tilt mechanism with an opto-isolated circuit board that > connects to the LPT port. What I am trying to do is control it totally > in PHP. Can anyone point me in the right direction for info on > communicating directly with the LPT port? Or has someone done this already