camera

The CCD camera module gray scale with 1 Vss video signal is connected to the TV card (BT848).
 

laser

1 mW semiconductor laser mounted in horizontal axis with the laser. It's used to scan the environment for objects. (see image processing)
with camera the most significant thing to have orientation.

micro

The microphone is connected to the sound card
 

contact switches

contact switches are placed around the robot to stop it immediately.