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Not long ago, Xiaomi announced the discontinuation of the MIUI development version and previewed its "dream work" MIUI 12.5. At that time, many speculated that MIUI 12.5 would be first launc...[Details]
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Experience 1: Use "software trap + program password" to deal with the flying of PC pointer
When the CPU is disturbed by external factors, the PC pointer may sometimes fly to another program segment...[Details]
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Recently I have been learning the remote upgrade of ARM7. Here I would like to share my learning process with you. If there are any mistakes, please point them out so that I can correct them! ...[Details]
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When using a single-chip microcomputer, you often encounter situations where a short delay is required. The required delay time is very short, usually tens to hundreds of microseconds (us). Sometim...[Details]
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SNJ08L152 is an automotive grade SOC that supports high-precision ADC measurement. It is based on the 8051 core and supports up to 12MHz system clock. It has rich storage resources, peripheral resour...[Details]
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#include
typedef unsigned char int8 ;
typedef unsigned int int16 ;
typeded unsigned long int32 ;
int8 flag;
int8 n;
int8 code table ={
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00...[Details]
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From LeTV Zhixin to New LeTV Smart Home and then to Lerong Zhixin, under the influence of the LeTV system's capital chain crisis, in just over two years, the operating company of LeTV TV has undergon...[Details]
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After the pre-order of the new iPad Pro was opened, the repair cost of iPad Pro (fifth generation) was also released. Weiphone.com learned from Apple's official website that the out-of-warranty rep...[Details]
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The expression in the time domain is:
Among them, m(t) is the AC signal component with a mean value of 0. A sine signal is selected here to meet the requirements for the signal to be modulated.
A...[Details]
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On the evening of March 9, USI disclosed its operating income briefing for February 2021, achieving a consolidated operating income of 3.21 billion yuan, a year-on-year increase of 87.09%, and a mont...[Details]
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1. Transplantation Environment
Host: VMWare--Fedora 9
Development board: Mini2440--64MB Nand, Kernel: 2.6.30.4
Compiler: arm-linux-gcc-4.3.2.tgz
u-boot:u-boot-2009.08.tar.bz2
...[Details]
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Introduction: Raspberry Pi releases 8G version From the first generation of Raspberry Pi released in 2012 to the launch of Raspberry Pi 4B in 2019, it still cannot be called a "PC replacement." Of c...[Details]
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The permeability of gas to materials is one of the important items in the physical property testing of materials. We call materials with low permeability as having certain gas barrier properties. Amon...[Details]
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When analog circuits and digital circuits are integrated into the same circuit chip, mixed-signal integrated circuits are born. The test system corresponding to this type of integrated circuit is cal...[Details]
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I: Introduction
I have been porting minigui in recent days. I have never used the minigui interface before. I want to see what the effect is and learn it by the way. After all, it is made in Ch...[Details]
Analogue and Mixed Signal
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