RTduino是RT-Thread实时操作系统的Arduino生态兼容层，为RT-Thread社区的子社区、Arduino开源项目的下游项目，旨在兼容Arduino社区生态来丰富RT-Thread社区软件包生态（如上千种分门别类的Arduino库，以及Arduino社区优秀的开源项目），并降低RT-Thread操作系统以及与RT-Thread适配的芯片的学习门槛。通过RTduino，可以让用户使用Arduino的函数、编程方法，轻松地将RT-Thread和BSP使用起来。用户也可以直接使用Arduino第三方库（例如传感器驱动库、算法库等）直接用在RT-Thread工程中，极大地补充了RT-Thread社区生态。
RTduino is the Arduino ecosystem compatibility layer for RT-Thread RTOS. RTduino is the sub-community of RT-Thread community and the downstream project of Arduino. RTduino is an open source project which is compatible with Arduino APIs so that RT-Thread beginners can easily get start to use RT-Thread through Arduino APIs, which significantly reduces the difficulty of learning RT-Thread. Meanwhile, RT-Thread users also can directly run thousands of Arduino third party libraries on RT-Thread by using RTduino.