Using Kinect v2 to Control a Laser Visual Cue System to Improve the Mobility during Freezing of Gait in Parkinson’s Disease

Figure 5

The developed prototype of the automatic visual cue system. (a) The two step motors controlling the horizontal and vertical alignment of the system. (b) A top view of the Kinect v2 combined with the microcontroller and voltage regulators. (c) A view of the prototype system in action.