实现了温度采集和串口数据上传，波特率19200，温度传感器采用热敏电阻，并可外挂开关量类型的传感器如烟雾、温度、火焰等等，实现自己的协议转换-Achieve a temperature acquisition and serial data upload, baud rate 19200, thermistor temperature sensor, and plug-in switch types of sensors such as smoke, temperature, flame, et