Scott Metoyer built this awesome telepresence rover using really cheap parts. He started with a Pentium II laptop that wasn’t being used. Then he picked up a relay board to connect to the parallel port. A servo board was connected to the serial port and a webcam was attached to the USB port. The drive wheels are powered by two windshield wiper motors. The rover runs a server application that talks to a wireless client computer for control. He says the control lag is minimal and you get 15fps from the webcam with pan and tilt. This is a great start and really shows how cheaply you can build a telepresence robot. Scott still has a lot of sensor connections he can use so I’m sure will see more interesting applications in the future.