saltybot_uwb_position 0.1.0 ROS2 UWB position node for Jetson (Issue #546). Reads JSON range data from an ESP32 DW3000 UWB tag over USB serial, trilaterates from 3+ fixed infrastructure anchors, publishes PoseStamped on /saltybot/uwb/pose, per-anchor UwbRange on /saltybot/uwb/range/<id>, JSON diagnostics on /saltybot/uwb/status, and broadcasts the uwb_link→map TF2 transform. sl-perception MIT ament_python rclpy geometry_msgs std_msgs tf2_ros saltybot_uwb_msgs python3-numpy ament_copyright ament_flake8 ament_pep257 python3-pytest ament_python