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In this article, the editor will introduce the working principle of the 4×4 column keyboard of the PIC microcontroller to help everyone increase their understanding of the PIC microcontroller keyboar...[Details]

At the BMW booth, the BMW iX3 was prominently placed in the "C position"; at the Audi booth, the Audi e-tron became the most eye-catching "facade"; even Volvo, which only brought one exhibition car, ...[Details]

1. What is EGL? EGL is used to manage drawing surfaces and provides the following mechanisms: (1) Communicate with the local window system; (2) Find available types and configuration in...[Details]

1. Proposal of reconfigurable measurement and control system The measurement and control system generally refers to a system based on computers to realize data acquisition a...[Details]

LED, once a synonym for neon lights, has set off a technological revolution in the field of color TVs. In 2010, LED LCD TVs have become the first choice for merchants and buyers. However, before th...[Details]

Nowadays, cars have become a standard feature of every family. The most troublesome thing when driving out is the parking problem. Especially in first- and second-tier cities, the density of vehicles...[Details]

1 Introduction Since its birth in the 1970s, digital oscilloscopes have become one of the essential tools for test engineers. With the breakthrough progress in electronic technology in recent years, ...[Details]

1 Introduction Embedded system software developers often read system peripheral registers and control registers to directly control hardware, which is a complicated task for software developer...[Details]

    Before considering why relocation is necessary, we must first understand the following points:          1. Definition of link address: My own understanding is that it is the memory address where ...[Details]

Huawei, Xiaomi and vivo, as giants of domestic mobile phone manufacturers, always attract a lot of attention and hot spots every time they release their own flagship new phones. Today I will talk to ...[Details]

With the widespread use of computers, there are more and more ways to communicate with computers, and the requirements for communication speed and ease of use are getting higher and higher, which m...[Details]

#0Use of development tools ##0.1Install keil4 Find mdk411.rar in the compressed file of arm data 1, unzip it, and double-click MDK411.exe to install it ##0.2 Run MDK411.EXE to install ##0.3 Sel...[Details]

In a single-chip microcomputer system, if there are many keys, such as electronic password locks and telephone keypads, there are generally at least 12 to 16 keys, and a matrix keyboard is usually us...[Details]

1. Design requirements Use a common anode digital tube to display the value "0~F" in a loop, the display change time is 1s, and the value to be displayed is output from port P1 2. Hardware Design...[Details]

In most processors after ARM V4 and V4T, the interrupt vector table can have two locations: one is 0 and the other is 0xffff0000. This can be controlled by the V bit (bit ) in the CP15 coprocessor ...[Details]