User manual

Robotics experiment with PIC microcontroller l 51
Robo-PICA moves forward or backward by driving both DC motor gearboxes in
same direction and at the same time. If need to turn or rotate, below shows the method :
1. Stop one motor and Drive another one If stop left motor and drive right motor,
the robot will turn left. In the opposite direction, stop right motor and drive left motor.
The robot will turn right. The speed of movement is similar. The pivot turning point of this is
at the stationary track. See the Figure A3-1.
Figure A3-1 Turning method by stopping a motor and fix a wheel.
Turning point Turning point
Turnin
g
point
Turnin
g
point
Figure A3-2 Turning method by driving both motors in opposite direction.
Activity 3
Simple movement control