Introduction - If you have any usage issues, please Google them yourself
Software is divided into a total of four layers: the interface layer, serial layer, data layer, presentation layer, operation layer. Interfacial layer mainly provides interactive interface, user observation data and operations. Serial layer is mainly responsible for the lower machine and the communication between the host and the simple data processing. Data layer is mainly for data storage, and other layers are called data. Display layer is responsible for data display. The display is divided into simple interface and the main interface display. Simple interface, including real-time and a particular time temperature and humidity display. The main interface includes data read directly after the serial text display and read data from the database control displays. Operation layer is mainly responsible for the careful handling of data, including add, delete, query and other operations. Also read from the database corresponding range of data to plot.