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LG's smartphone business has not been able to catch up with the leading smartphone brands. But the company is trying to close the gap with some new devices, such as the Wing flagship phone and the re...[Details]

Motion recognition is a hot topic. After launching the sensational multi-touch technology, Apple is preparing to apply for its own motion recognition patent. Motion recognition is simply to use the a...[Details]

Although more than a decade has passed since the blackout of the century in the United States, the disaster it brought always reminds people of the problem of power supply stability. So how did this ...[Details]

       EMI regulations have been established around the world to provide better reliability and safety for users of electrical and electronic equipment. To ensure that these regulations are met, many...[Details]

The common problem of ultrasonic level meter is the blue fault light on the top. The following solutions are listed based on actual situations: 1. When the ultrasonic wave is continuously at zero liq...[Details]

　　Although current mirrors and circuits such as the Howland current source are taught as part of analog circuits, there is still a significant number of engineers who prefer to think in terms of volt...[Details]

Digital transformation has driven significant technological advances in recent years. Many innovations and emerging technologies have emerged in the infrastructure and operations (I&O) field, such as...[Details]

1. Why use DMA: To improve CPU efficiency and avoid unnecessary waiting time 2. About DMA controller: (1) Number of channels: 2440 has 4 channels, 6410 has 4 DMA controllers (select...[Details]

1. Characteristics and applications of low noise amplifiers LNA is mainly used to amplify weak signals, amplify the weak signals received by the antenna from the air, and reduce noise interference so...[Details]

       One of the problems with the current generation of VR headsets is that they require the use of hand controllers. While existing systems can be used to determine the relationship between the ha...[Details]

Today, we will introduce a national invention patent - offline calibration device for insertion target flowmeter. The patent was applied by China National Offshore Oil Corporation and was authorized ...[Details]

In actual applications, engineers often encounter scenarios where power measurement is required. In addition to specialized power analyzers, daily-used oscilloscopes can also be used.   Theoreticall...[Details]

    1. Design ideas 　　When the microcontroller is initially powered on, the VDD rising edge detection circuit is the first to work in the reset system. During the power-on process, due to the presenc...[Details]

When data is to be sent through the network card, the upper-layer protocol entity calls the function hard_start_xmit(). In our driver, this function is mapped to the DM9000_wait_to_send_packet() func...[Details]

With the rapid development of new energy vehicles, car fires also occur frequently. According to public information, in 2021, there were more than 3,000 new energy vehicle fire accidents, most of w...[Details]