旋转倒立摆的驱动程序，包括步进电机、编码器驱动。编码器是600线一圈，经测试可以准确测量0到180和0到-180的角度。-Rotary inverted pendulum drivers, including stepper motor, encoder drive. The encoder is around 600 lines, the test can accurately measure the angle 0 to 180 and 0 to-180.