iDoor – iPhone Controlled Hydraulic Door
MIT student Chris Varenhorst developed a hydraulic system connected to some electronic components that allow you to open a door with the ability to control it with the iPhone.
The system is very simple, the mechanical part to open the door is connected to a PC with an Ubuntu Linux system from which it receives the commands. Application iDoor connects to a PC via an internet connection and sends the instructions for opening or closing the door.
Here is a video:
For more technical information about the system go directly to the