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Make full use of the development of China's database management systems to meet the evolving needs of enterprise organizations China's unique business environment and strong demand for independent ...[Details]
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IPS screen detailed explanation
IPS (In-Plane Switching) technology is a liquid crystal panel technology launched by Hitachi in 2001, commonly known as "Super TFT". As we can see from the name, IPS...[Details]
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Currently, Bluetooth speakers are widely used, including portable sound amplification, square dancing, slogan propaganda, etc.
However, the Bluetooth speakers used by customers are often...[Details]
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A complete set of PLC programs is not as simple as just making the system run. It also requires complete annotations, sophisticated architecture, good scalability, a complete alarm protection syste...[Details]
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Don't be fooled by their appearance, they are all capacitors. Dilingling, I have a new lesson today. Following the last diagram of the working principle of power supply, today we will have anothe...[Details]
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Foreign media Android Police recently exposed the full specifications of the Samsung Galaxy S21 series. They said they had seen the official media renderings of the device, which were the same ...[Details]
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There are many forms of sine waves in nature, such as ocean waves, earthquakes, sound waves, sounds traveling through the air, or the natural rhythms of the body. Energy, vibrating particles, and inv...[Details]
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On July 13, 2020, Analog Devices, Inc. (ADI), the world's second-largest analog chip manufacturer, officially announced that it would acquire its competitor, Maxim Integrated, the world's seventh-lar...[Details]
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I have been browsing the Internet for a long time and have read a lot of source code, but I have not found any trace of this key processing method. Therefore, I will share it with my colleagues. I fir...[Details]
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Initialization of 8155 chip: 8155 is an external interface chip for the microcontroller
, and its operation method is the same as that of external RAM. That is:
MOV DPTR, # addr16
MOV A, ...[Details]
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1. Solutions to the RF interference problem
of mobile phones Regarding the RF interference problem of GSM mobile phones, Liu Junyong pointed out that GSM mobile phones work in TDMA mode, and ...[Details]
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Measuring DC bias. To measure DC bias, the U2044B assumes that the amplitude and frequency of the function generator are set to arbitrary values. The oscilloscope is set to DC coupling. In Figure 8....[Details]
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1 Microcontroller Abstraction Layer (MCAL)
The microcontroller abstraction layer (MCAL) of AUTOSAR CP is an important part of the AUTOSAR software architecture. It provides abstraction and acc...[Details]
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FreeRTOS can provide functions such as task management, queue management, interrupt management, resource management and memory management. Because it takes up less resources, it can run on the Arduin...[Details]
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In the modern automobile industry, manual transmission (MT), as a traditional transmission device, is still favored by many drivers for its reliability, durability and driving pleasure. The manual ...[Details]