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Overview In the field of wireless communications, the development direction of communication signals is digitalization. This trend is mainly because digital signals have good spectrum efficiency comp...[Details]

On August 21, according to foreign media reports, ASML CEO Christophe Fouquet said in an interview that the world needs "traditional chips" produced in China, which will help fill the supply and de...[Details]

2440A has three serial ports. We use serial port 0 to get familiar with it. First of all, you must find the pin corresponding to serial port 0 in the manual, and then configure the corresponding regi...[Details]

1. What is the principle of using infrared ranging or laser ranging? The principle of ranging can basically be summarized as measuring the time it takes for light to travel back and forth from the ta...[Details]

GSM (GSMbal System for Mobile Communication) network is a communication network system based on time division multiple access technology and frequency division multiple access technology, belonging to...[Details]

The junction box diagram of the star and triangle connection of the stator winding UI-U2, V1-V2, and W1-W2 of the three-phase asynchronous motor is shown in Figure 1. From the wide curve diagram, it c...[Details]

The Philips PH2 smartphone was launched last week at a price of 799 yuan. Now, the company has launched another model called Philips PH1 in the Chinese market. The Philips PH1 has a 6.517-inch LCD ...[Details]

The rise of China's electric vehicles is inseparable from the success of China's car batteries . GlobalData pointed out in the latest report that China is already the well-deserved leader of new ener...[Details]

Currently, models such as Arcfox Alpha S, Changan CS85, Apollo Hongqi E-HS3, and GAC New Energy Aion S can achieve L4 autonomous driving under some road conditions. So how far are we from true autono...[Details]

Over the past year or so, among the most talked-about buzzwords in China's security industry, "Huawei's security success or failure theory" is definitely one of them.   Last August, an article titled...[Details]

The oscilloscope current probe simply measures the current through the TEKR0BEBNC interface. It is directly connected to the TDS series oscilloscope. The split core structure can easily access the ci...[Details]

As the development of smartphone performance has reached a bottleneck, people now pay more attention to the imaging performance of flagship phones, and have started a pixel race. Many models are dire...[Details]

Try to write a MCS-51 microcontroller program to calculate ∑i, I=1~100.  Reference microcontroller assembly language program:        org 000h        ljmp main        org 030h  main: mov 45h,#01...[Details]

On July 19, an investor asked Shanghai Xinyang: "Which company does your company purchase the raw materials for the storage containers of photoresist from? How much is the annual purchase amount? Aft...[Details]

The servo motor encoder cable is a very important part of the servo system. It is responsible for converting the motor's rotation information into electrical signals to achieve precise control of t...[Details]