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Line sequence of RJ45 interface
The appearance of the interface on the network card and the Hub is an 8-core female socket (RJ45):
The RG45 interface PC end, the network cable is a...[Details]
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The problem occurred when compiling with stvd before! After searching online for a long time without finding a reasonable solution, I finally figured it out by myself. Select the default Debug here ...[Details]
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Multi-channel switching power supplies are widely used in various complex electronic systems with low power due to their small size and high cost performance. However, with the development of moder...[Details]
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Use the timer to count time, the annotations are very detailed, and you can change the timing time yourself. The microcontroller source program is as follows: #include "reg52.h" #define GPIO_TRAFFI...[Details]
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IT Home learned that the Nubia Play mobile phone new product launch conference will be held at 19:00 on April 21. At that time, the Nubia Play 5G mobile phone will be officially unveiled. T...[Details]
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Cypress has been in China for 21 years. In 2017, its global sales reached US$2.33 billion, of which sales in China accounted for about 40% of the global total. Cypress launched the CYPRESS 3.0 str...[Details]
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ESP8266 module STA mode program, the main control chip is MSP430F5438A, the development environment is IAR MSP430F5438A communicates with ESP8266 through the serial port at a baud rate of 115200 to c...[Details]
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1. What is a bit segment and bit band alias area?
2. What are its benefits?
Answer 1: Yes, remember MCS51? MCS51 has bit operation, which takes one bit (BIT) as the data object.
MCS51 ca...[Details]
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For a display device, the data update rate is proportional to the product of the number of pixels in the screen and the color depth. In an embedded Linux system, due to the constraints of processor r...[Details]
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According to a survey result released by the US media on the 13th, about 65% of US corporate executives believe that US trade policies will have a negative impact on their company's business in the n...[Details]
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State machine is an important concept in software programming. What is more important than this concept is its flexible application. In a clear and efficient program, there must be a state mach...[Details]
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introduction
At present, medium and high power trolley speakers mainly use 12V lead-acid batteries as power supply. When the power is directly supplied, the output power of general amplifier...[Details]
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1 Introduction The power supply is the heart of electronic equipment, and its quality directly affects the reliability of electronic equipment. With the continuous development of electronic technol...[Details]
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According to Taiwanese media reports, in order to get rid of the US technology blockade, mainland China has invested heavily in the development of its own semiconductor industry, but upstream silicon...[Details]
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IT Home reported on January 14 that pictures of an alleged iPhone 12 Pro prototype leaked online, showing an unfinished Pacific Blue color scheme and Apple's SwitchBoard operating system. Th...[Details]