串口采集PM2.5传感器数据、液晶显示LCD1602带菜单可设置上限下限阈值(The data of PM2.5 sensor data and liquid crystal display of LCD1602 can be set up to the upper limit threshold)

应用于污水处理工艺的水泵驱动程序，该程序使用ucos-III操作系统，运行于STM32F407芯片中，具有LCD12864液晶显示程序，菜单程序，USART通讯，SPI通讯，485通讯等功能。(The pump driver used in the sewage treatment process is running on the STM32F407 chip with the ucos-III operation system. It has the functions of LCD1286