library for chair for mpu

Dependencies:   MPU9250

Changes

RevisionDateWhoCommit message
2:66660dcf55fb 2018-07-22 ryanlin97 updated for mpu9250 default tip
1:ff1d286b3cf4 2018-07-22 ryanlin97 turning
0:fd1a49d15f7f 2018-07-20 ryanlin97 chair library for mpu9250 imu