Yahboom ROSMASTER R2 is an ROS2 Mecanum-wheel mobile robot platform for Raspberry Pi 5 and NVIDIA Jetson Nano, supporting autonomous navigation, SLAM mapping, and robotic arm integration for university engineering students and advanced makers. The R2 comes with full ROS2 tutorials, lidar integration, and a camera for vision-based tasks, making it a comprehensive development platform for autonomous mobile robot research.