My first NXT project. A pathfinder that can found a way and avoiding obstacles. Credit goes to ZED (ZEDDoubleBrick on Youtube) for the model. Thanks to him. Program is my own design... Certainly not perfect, but that do the job... Video on youtube: http://www.youtube.com/watch?v=GiCQZ8Xwd0U Wires connections: OUTPUT - Port A: empty - Port B: Right Track Motor - Port C: Left Track Motor INPUT - Port 1: Left Ultrasonic Sensor - Port 2: Left Touch Sensor - Port 3: Right Touch Sensor - Port 4: Right Ultrasonic Sensor