Learn how to set up Visual Inertial Odometry (VIO) on a Pixhawk-based drone using a Jetson Nano and Intel T265 Realsense camera for indoor vision positioning. Follow this comprehensive 29-minute tutorial that covers hardware assembly, software installation, and configuration. Build a MAVLink cable, mount the Jetson Nano and T265 camera, install necessary software including ROS Melodic and dependencies, and configure QGroundControl for wireless communication. Explore PX4 EKF2 parameters for VIO and witness a live flight test demonstrating VIO altitude and position modes. Access provided resources, including a simplified software installation guide, 3D printing files for mounts, and links to relevant GitHub repositories.