RobMoI is an autonomous robot, its function is follow a white line in black floor or viceversa. Counting with 3 light sensors to know its location, it makes the decision to go forward, turn left, or turn right, depending the active sensor.
RobMoI is controlled by the micro AT89C2051 with 2 bidirectional ports, one with 8 bits and the other with 7 bits. The port 0 is used to give the sequence to the stepper motors and the port 1 is used for control of direction.