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introduction Power management (PM) is an indispensable technology in electronic systems. Due to the use of advanced power management technology, mobile phones, PDAs and other products ...[Details]

The download address of u-boot is http://sourceforge.net/project/showfiles.php?group_id=65938. The latest version is u-boot-1.1.6, which can already support AT91RM9200. Add the PATH environment varia...[Details]

introduction It is predicted that the global router market will reach 15.9 billion US dollars by 2015. The development of home routers is particularly rapid. Currently, the regions with the largest d...[Details]

       There have been many reports that the vivo watch is coming. As expected, on September 14, vivo officially announced that the vivo Watch new product launch conference will be held on September ...[Details]

On October 18, 2021, Sichuan Hexin Microelectronics Co., Ltd. held an online product launch conference and released five RF chips under the "Cenchip" brand, including the country's first 2.4G&5G high...[Details]

01—Brief Introduction Today we are going to design a car taillight (turn signal) circuit effect as shown below: That is, when the car turns, the driver turns on the turn signal, and the t...[Details]

 In 2020, the mobile phone industry was in a downturn in the first quarter due to the impact of the epidemic. Fortunately, as the epidemic gradually became clearer, market demand increased, and the o...[Details]

With the introduction of the TMT4 PCIe performance comprehensive tester for PCIe link health testing, the question arises as to what is the "best template" for determining pass/fail for a device unde...[Details]

When using the serial port, the baud rate of the serial port is a parameter that must be given. Although the book clearly states that it is the time for one bit, I am still worried and have been wond...[Details]

    On January 17, researchers from the Ulsan National Institute of Science and Technology in South Korea announced that they have successfully developed a new type of "deformable polymer electrolyte...[Details]

　　1. Multimeter detection method 　　For fixed capacitors above 0.01μF, the R×1k block of the multimeter can be used to directly test whether the capacitor has a charging process and whether there is a...[Details]

        For Apple, after the official release of iOS 14.4, it will stop verifying previous versions. They did the same thing before to encourage users to update. 　　As it stands, Apple has stopped ver...[Details]

EEWORLD According to foreign media reports, Akash Systems, which focuses on the development and supply of power amplifiers (GaN GaN-on-diamond based on diamond substrates) and RF transceivers for sma...[Details]

Compiled from EEWORLDONLINE PCB manufacturing is the process of transforming a circuit board design that meets design specifications into a physical PCB. It is usually outsourced to a contract manu...[Details]

Servo systems are an indispensable part of modern industrial automation and precision control. According to different control methods, servo systems can be divided into open-loop servo systems, clo...[Details]