This course is based on the previous course, combined with the development of electronic information technology, to enhance the hybrid application design capabilities of analog circuits and digital systems, focusing on analog circuits, digital systems and microcontrollers and embedded systems and peripheral integrated circuits and sensing and execution.Key technical issues in the comprehensive application of devices, with particular emphasis on practical application topics, strengthening the design capabilities and practical development capabilities of selecting the most suitable hardware and software technology solutions among multiple circuit chips and devices, multiple system design solutions.The ability to write technical documents and test reports and teamwork skills is one of the most important college students' ability to be scientific and technological research and social enterprises.