For driving around the yard, you will need a fairly large robot with big wheels. If you want to build everything, here is one beginners guide, but many people buy a used R/C "Monster Truck" and modify it for Arduino control.
For driving around the yard, you will need a fairly large robot with big wheels. If you want to build everything, here is one beginners guide, but many people buy a used R/C "Monster Truck" and modify it for Arduino control.