Here is another 3D depth camera you can use to make your robots smarter. The Astra Pro Realsense RGBD Depth Camera is ready for mapping and navigation. It is compatible with Raspberry Pi and ROS. It is ready for face recognition, gesture recognition, and object tracking.
This camera can locate 12 key points on hands. It can display RGB map and depth map to the camera in real time. It can be used for robots, drones, 3D scanning, and games. You can find out more about it here.