Introduction - If you have any usage issues, please Google them yourself
The C/OS III and STemWin F407 development board based on STM32 transplanted to Cortex-M4 platform, select the appropriate preparation of the touch screen, touch screen application, touching keys to determine the amount of food, will be the storage amount, dishes, pictures and other information, through the choice of dishes on the screen, click on the screen (touch) dishes the picture, you can enter the food purchase interface, through a combination of certain hardware, weighing, can get the price, and finally calculate the total purchase of all the dishes.