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On February 22, blogger @数码闲聊站 revealed that Xiaomi's model equipped with the Dimensity 9000 flagship processor is the Redmi series, with a regular large screen and no small-screen version. T...[Details]
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This article introduces the development history of monitoring management software and the problems it faces. It proposes that today's monitoring management platform software will develop from a sin...[Details]
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On December 13, as Huawei worked hard in the field of intelligent connected vehicles, the names of cooperating car companies such as BAIC Blue Valley became more and more well-known to the public. IT...[Details]
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Startup File + Library + File
Startup file:
Hardware initialization
1. Turn off the watchdog (the watchdog is a timer that is turned on when the system starts. If it is not turned of...[Details]
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On May 7, the well-known blogger @数码闲聊站 revealed the latest news that new SM8475 (Snapdragon 8 Plus) phones from multiple manufacturers will be launched in the third quarter of this year. It...[Details]
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Here we mainly introduce the current detection method and find some factors that are easily overlooked in the design. First, consider two different methods: magnetic field-based detection method an...[Details]
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In June this year, Huawei founder Ren Zhengfei said that Huawei will recruit 20-30 talented young people from all over the world this year, and plans to recruit another 200-300 talented young people ...[Details]
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As a new light source, LED power supply and drive circuit are different from the electronic ballast of fluorescent lamp. The main function of LED drive circuit is to convert AC voltage into DC volt...[Details]
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Blood pressure sensor circuit and filtering and amplification circuit
As shown in the figure below, this circuit uses BP01 pressure sensor and MAX4472 operational amplifier. BP01 pressure ...[Details]
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WaitTime, Intel and Cisco provide real-time insights to Mall of America to improve the consumer shopping experience
Intel, WaitTime, and Cisco have jointly launched an artificial int...[Details]
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Samsung Display President Choi Joo-sun said at a meeting with executives and employees at Giheung Campus in Yongin, Gyeonggi Province, South Korea, earlier this month that the company has increased t...[Details]
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In order to realize human-computer interaction, a display device is indispensable. This article mainly talks about how to control the LCD display, and on this basis, add the function of the timer, an...[Details]
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The basic structure of an ARM assembly language source program: AREA Init, CODE, READONLY ENTRY Start LDR R0, =0x3FF5000 LDR R1, 0xFF STR R1, LDR R0, =0x3FF5008 LDR R1, 0x01 STR ...[Details]
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1 Introduction
Since the 1980s, with the further development of power electronics and computer technology, a more advanced static VAR compensation device, the static synchronous compensator ...[Details]
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pc:Centos5.4
Kernel: Linux 3.0.1
Development board: ok6410
Cross compiler: arm-linux-gcc 4.4.1
LCD Driver
How to write LCD driver?
1. Allocate an fb_info structure: fr...[Details]