+**** part placement
+ 1. name some reasons for the arduinos placement on the deck.
+ 1. could it have been placed diagonally? why or why not?
+ 2. could it have been placed in any other location? why or why not?
+ 3. could it be upside-down? why or why not?
+ 2. why are the motors between the wheels?
+ 3. why are the motors pointed towards the caster in the back?
+ 4. why are the battery packs between the wheels and caster
+ (roughly)?
+ 5. where is the breadboard?
+ 6. where is the caster?
+ 7. why is the caster in the middle of the back, instead of on the
+ left or right?
+ 8. should the black chip (motor controller) be on the left or the right
+ 9. why should the chip be on the right?