Friends and myself are planning a robot car, and was wondering what the best method for control should be.
Our robot would end up weighing ~1.5Kg, and would be controlled by a lead acid 12v battery. What would be the recommended method for steering ?
The options I have are a 3 wheel robot (2 rear wheels controlled by a DC motor + 1 servo motor controlled steering) or a 4 wheel robot (the 2 on the left side controlled by one DC motor, the 2 on the right by another. Steering should be done by differential turning)