The folder "RoboMaster 2020 Standard A Unassembled Kit - Open Source Code" which can be used to realize the basic functions of the robot and read the remote control data with the competition kit; The file "RoboMaster 2020 Standard A Unassembled Kit - User Manual. pdf" aims to introduce the operation method of the robot; The file "RoboMaster 2020 Standard A Unassembled Kit - Assembly Manual. pdf" aims to introduce the assembly process of the robot; The file "RoboMaster 2020 Standard A Unassembled Kit - Hardware block Diagram. pdf" aims to introduce the hardware wiring of the robot; The file "RoboMaster 2020 Standard A Unassembled Kit - Development Document. pdf" aims to introduce the program development framework; The file "RoboMaster 2020 Standard A Unassembled Kit - Data Accessory Kit" includes the detailed information for the finished product modules (such as electric motor ESC and referee system) of the robot; The file "RoboMaster 2020 Standard A Unassembled Kit - 3D Model. stp" aims to introduce the 3D model of the robot; For more information, please visit the website: https://www.robomaster.com/zh-CN/resource/pages/1081?type=announcementSub dbus_1.4.7z is a program related to the competition kit, in which a function of analyzing and forwarding remote control data from the serial port development board is added to facilitate the acquisition of remote control data using the competition kit for the secondary development on the competition kit. standard.rar is the program of Standard development board