ROSMASTER R2 is a mobile car with Ackerman steering structure developed based on ROS2 robot operating system. It supports Jetson NANO, Jetson Orin NANO,Jetson Orin NX and Raspberry Pi 5 as main control boards. R2 is equipped with high-performance hardware configurations such as laser radar, depth camera, voice interaction module, 520 motor racing rubber tire, which can realize robot mapping navigation, obstacle avoidance, automatic driving, human feature action recognition, voice interaction control and other functions. It also supports mobile phone APP, wireless handle, ROS2 operating system, computer keyboard and other remote control methods.