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74LS164 extended 8-bit LED serial display interface circuit (1) The result shown in this experiment is 12345678. Use 89C52 and 74LS164 to expand the 8-bit LED digital tube display. 74LS164 convert...[Details]
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The cache (CACHE) acts as a bridge between the kernel and the low-speed memory. Based on the time and space correlation of the code and data, the hardware controller automatically loads the code an...[Details]
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In daily life, many electronic products rely on electricity to work, and the storage form of electricity is provided by batteries. For example, TV remote controls, air conditioner remote controls, ...[Details]
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Before understanding the structure of the probe, you need to understand the structure of the oscilloscope input interface, because this is where the probe is connected. The oscilloscope input interfa...[Details]
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I wrote a Bootloader application example based on Atmega8, and encountered some problems during the process. The process and problems are described below for your reference. The code of the project e...[Details]
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There are two methods for sorting LEDs: one is chip-based test sorting, and the other is test sorting of packaged LEDs.
(1) Chip testing and sorting
LED chip sorting is very difficult, ma...[Details]
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Learning summary.
The S3C2440 chip contains GPIO controllers, UART, I2C and other controllers. The CPU operates registers to control pin output or input. Operating registers actually operates ...[Details]
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The development of the digital world has driven the increase in bandwidth demand, pushing wired and wireless networks towards network convergence. Network convergence is defined as the use of multipl...[Details]
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The enlightenment of ISO standards and process improvement technology to China's software enterprises
June 20, 2003
The rapid development of electronic information technology has grea...[Details]
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In February, Far East Holdings received a total of RMB 2.22 billion in contract orders from its subsidiaries worth more than RMB 10 million, a year-on-year increase of 344.41%. Among them, its subsid...[Details]
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Recently, the CSA Alliance announced that the second update of Matter (Matter 1.2) is now available for device manufacturers and platforms to build into their products. It includes nine new device ty...[Details]
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With the increase of in-vehicle entertainment and safety functions, and the increasing popularity of new energy vehicles, the proportion of automotive electronics in the entire vehicle continues to r...[Details]
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With the rapid development of electronic technology, the world has entered the information age. Electronic and electrical equipment or systems have been used more and more widely. High-power transmitt...[Details]
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In daily life, we may encounter overload when using R-type power transformers. What is the cause of transformer overload? Can the transformer work normally after overload? With these questions, let...[Details]
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The automotive Ethernet series of articles "When DoIP meets TLS" introduced the changes in the new version of ISO13400-2 specification, an introduction to TLS, and the data flow of the CANoe TLS de...[Details]