programing 2 diferential wheels robot ( self driving , stereo cameras )SLAM , ROS

so shortly i made all the mechanical part with wheels from hoverboard , I've installed it and know i need to to buy the parts ( motor controllers( , stereo camera , logic board , imu sensor or any other parts ) to program the robot. The ideea is the freelancer will tell me , what parts to buy , after I receive everything , he installs all the programs and so on....SLAM, ROS
(removed by Freelancer.com admin)

if anyone is interested let me know .. Thanks