CMMotionManager *motionManager = [[CMMotionManager alloc] init];
NSOperationQueue *queue = [[NSOperationQueue alloc] init];

//加速計
if(motionManager.isAccelerometerAvailable){
    
    motionManager.accelerometerUpdateInterval = 1.0;//每隔1秒更新一次

    [motionManager startAccelerometerUpdatesToQueue:queue withHandler:^(CMAccelerometerData * _Nullable accelerometerData, NSError * _Nullable error) {
        
        if(!error){
            //1.X軸加速度，單位m/s^2
            //2.Y軸加速度，單位m/s^2
            //3.Z軸加速度，單位m/s^2
            mb_log_info(@"accel,%f,%f,%f", accelerometerData.acceleration.x, accelerometerData.acceleration.y, accelerometerData.acceleration.z);
            });
        }
    }];
}

//陀螺儀
if(motionManager.gyroAvailable){
    
    motionManager.gyroUpdateInterval = 1.0f;//每隔1秒更新一次
    
    [motionManager startGyroUpdatesToQueue:queue withHandler:^(CMGyroData * _Nullable gyroData, NSError * _Nullable error) {
        
        if(!error){
            //1.X軸角速度，單位dps
            //2.Y軸角速度，單位dps
            //3.Z軸角速度，單位dps
            mb_log_info(@"gyro,%f,%f,%f", gyroData.rotationRate.x, gyroData.rotationRate.y, gyroData.rotationRate.z);
        }
    }];
}