Buy an Arduino and some hobby servos and tinker with them. But ideally you would have a goal in mind. what do you want your robot to do? (pass butter?) Once yo

Buy an Arduino and some hobby servos and tinker with them. But ideally you would have a goal in mind. what do you want your robot to do? (pass butter?) Once you have a goal then you will be able to focus on just what you need to learn to achieve that goal.