1. stationary: If the gravity of your body center at the center position between left and right wheel of the electric self balancing scooter, do not move the body to maintain balance so that
the wheel keeps still without any control.
2: forward: If the gravity center move forward, the self balance scooter scooter will be tilted forward, how to control the speed of wheel forward is based on wheel rotation and the tilt angle
3. backward: If backward your gravity, the self balancing scooter will tilt backwards, how to control the speed of the self balancing scooter backward is same as how to control the speed of it forward.
For more information about electric self balancing scooter,please visit http://www.onu-mall.com/6-5-inch-electric-drifting-board-two-wheels-smart-self-balancing-scooter-with-bluetooth-and-remote-control-function-red.html
Article from http://blog.onu-mall.com/index.php/2015/11/09/how-to-drive-a-self-balancing-scooter/