In the paper,a hotel room intelligent control terminal (RCU) is designed, which is based on the ARM Cortex-M3 microproces- sor (LM3S6911) and the embedded real-time operating system (RT-Thread).The hardware design and software implementation flow of the intelligent control terminal are discussed.The test and practical application results show that the intelligent control terminal realizes the low-power consumption, high efficiency, high stability, automation and intelligence. The design sav...