This course aims to teach the comprehensive process of Internet of Things development, from project introduction, hardware construction, server construction, API interface development, to the development and implementation query of Web and APP. Through this course, students will learn how to build an IoT system, including the connection of sensors and devices, data transmission and processing, as well as the development and implementation of query functions on the Web and APP. This course will help students master the key steps and skills of IoT development and lay a solid foundation for their learning and career development in the field of IoT.