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Principle of single chip microcomputer key detection: The IO port of the microcontroller can be used as both input and output. When detecting a button, its input function is used. We connect one end...[Details]
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ISD4004 voice chip C51 driver source code /*spi isd4004.h*/ #include "reg51.h" #include "intrins.h" sbit _cs = p0^0; sbit _sclk= p0^3; sbit _mosi= p0^1; sbit _miso= p0^2; sbit _rac = p0^4; sbit _int...[Details]
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As LED lamps gradually become popular, traditional energy-saving lamps and fluorescent lamps are slowly withdrawing from the market. In the next few years, it is inevitable that LED lamps will bec...[Details]
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Food safety is closely related to people's life safety. Accordingly, there are also higher requirements for food packaging. Food packaging safety testing is a very important part of the food productio...[Details]
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According to the data released by
the China Automobile
Industry
Association, the penetration rate of
new energy
vehicles in China was only 2% in 2016, but now this figure has jumped ...[Details]
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The development of smart sensors in China has risen to a national strategy. In recent years, a series of relevant policies, action plans and guidelines have been issued to support the development o...[Details]
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0 Introduction
In recent years, with the rapid development of the economy, the number of vehicles in cities has continued to increase. This has caused a series of problems such as traffic cong...[Details]
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The cmd file is used to indicate how each data, symbol, etc. is divided into each segment and the storage space used by each segment when linking each target file after compilation. Many people ...[Details]
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In electronic technology, transistors are a very common component. The parameters of transistors are closely related to the measurement schemes and results of many electrical parameters. Therefore, i...[Details]
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More and more automakers have announced that they will support C-V2X in 2021, applying it to different driving scenarios, such as the "green light all the way" function, where drivers can use dashboa...[Details]
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According to a report released by the World Robot Conference in 2022, the Chinese robot market continues to prosper and has become an important driving force for the development of the robot indust...[Details]
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Keil's debugging commands, online assembly and breakpoint settings In the previous lecture, we learned how to create a project, assemble, link the project, and obtain the target code. However, thi...[Details]
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Abstract:
With the rapid development of miniaturization and lightness of switching power supply equipment and integrated circuits, this paper analyzes the requirements of the development of s...[Details]
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Tonight (8), Huawei held an online launch event for its new spring products in China, officially launching the Chinese version of the Huawei P40 series of mobile phones. At the same time, Huawei AR M...[Details]
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The situation of solid-state
LED lighting
is getting brighter and brighter, and its application areas are expanding around the world, including indoor and outdoor lighting, automotive inter...[Details]