> [](http://www.youtube.com/watch?v=k6nARWC63OY)
> [](http://www.youtube.com/watch?v=k6nARWC63OY)
>
>
> Video link: Video showing the robot balancing in a dark room. The PID values are changed using a bluetooth connection. The robot is very shaky and has a hard time balancing.
> ##### Fig. 3: Video showing the robot balancing in a dark room. The PID values are changed using a bluetooth connection. The robot is very shaky and has a hard time balancing.