* Question In the RFID positioning, what are the two main methods? * Answer In RFID positioning, it is mainly…

* Question Please briefly explain the illuminating process of 0LED? * Answer (1) Carrier injection.Appropriate forward bias is applied to…

* Question What is the internal photoelectric effect? * Answer When the semiconductor material is irradiated with light, due to…

* Question What is a three-electrode system? * Answer For the electrolytic cell, sometimes it is necessary to know or…

* Question What is ECD? * Answer The development of ECD Since the advent of ECD, people have continuously improved…

* Question What kinds of commonly used absolute pressure sensors? * Answer Commonly used absolute pressure sensors are semiconductor varistor…

* Question What are the design elements of the state machine? * Answer 1. The clock end of the state…

* Question What are the input devices? * Answer Portable keyboard interface and A/D conversion and touch screen interface

* Question At present, what kinds of fibers are commonly produced in China? * Answer At present, optical fibers produced…

* Question What are the main characteristics of the development of the global Internet of Things industry? * Answer The…