STM32微控器实现升压电源的反馈调制，实现升压电源的输出电压可控。(The STM32 micro controller realizes the feedback modulation of the step-up power supply, and realizes the controllable output voltage of the step-up power supply.)

STM32通过获取人体红外模块信息实现人体红外消防系统，可以检测人体，发送消息到SIM卡。(STM32 realizes the infrared fire protection system of human body by acquiring the infrared module information of human body, which can detect the human body and send messages to the SIM card.)

基于STM32微控器和FREERTOS操作系统移植的LWIP网络通信程序。实现网络通信(LWIP network communication program of STM32 microprocessor and FREERTOS operating system transplantation based on. Realizing network communication)