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As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]

Introduction Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]

1 Embedded Systems Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]

Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]

Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]

The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]

Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems. High switching frequency can use smaller power inductors and output filter...[Details]

Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]

With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities. This article gives ...[Details]

1 Introduction With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]

DigRF is poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices: analog signaling, and proprietary digital signaling (paralle...[Details]

As a new type of centralized and decentralized elevator control system, serial communication has been widely used in China. Compared with the previous centralized and unified control system, each s...[Details]

0 Introduction PROFIBUS is an open digital communication system with a wide range of applications, which has been included in the international standards IEC 61158 and IEC 61784. Since the gen...[Details]

Reliability and real-time performance are the basic requirements for control systems. Initially, motor control used analog circuits with discrete components. With the advancement of electronic tech...[Details]

1. Design topic: Design a simple electronic keyboard that can produce seven notes: 1, 2, 3, 4, 5, 6, and 7. Components used: AT89C51, LM324, speakers, buttons, etc. 2. Design Pur...[Details]