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An improved 4*4 matrix keyboard scanning ---- after using SWITCH CASE nesting, the program sequence is much simpler
#include reg52.h
#define uchar unsigned char
#define uint unsigned int
ucha...[Details]
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At first glance, the NCP1239 is a 16-pin device, which may be complicated to use. In fact, this circuit has a lot of design flexibility and is a very good controller that can help you solve the design...[Details]
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Pre-study requirements:
(1) Have a certain foundation in C language,
(2) preferably have some knowledge of digital circuits
Preface: (1) As long as you are a student of the Department of Electro...[Details]
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Quiescent current differences and their impact on battery life
Let’s take a closer look at the quiescent current specification in the datasheet versus actual measurements. In some cases, the datash...[Details]
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The OctoNet ON-x00-15 Bluetooth positioning gateway has both the low-power Bluetooth connection of the nRF52840 SoC and the AoA and AoD functions of the nRF52833 SoC. Oslo, Norway – May 22, 2023...[Details]
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According to foreign media reports, Tesla plans to promote a new radical battery design at the "Powertrain and Battery Day" to be held in the second quarter of this year. According to reliable sour...[Details]
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According to Bloomberg, Zeng Yuqun, chairman of Chinese battery manufacturer CATL, said in an interview that the company is ready to produce batteries that can last for 16 years and allow electric ve...[Details]
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Recently, the Industrial Technology Research Institute's Industrial Science and Technology International Research Institute calculated the overall IC industry output value in Taiwan in the first quar...[Details]
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In order to gain a deeper understanding of the implementation and effects of the new flat-panel TV energy efficiency regulations, the author and his colleagues visited and investigated several majo...[Details]
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According to foreign media reports, Apple's iPhone will increase the use of OLEDs produced by BOE's panel factory in mainland China, and it is expected to complete certification by the end of this ye...[Details]
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On July 17, Dafu Technology responded to the letter of concern issued by the Shenzhen Stock Exchange three days ago. Dafu Technology stated that it has supplemented the feasibility of the debt restru...[Details]
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Microsoft's Xbox Game Studios and Tencent's TiMi today announced a strategic partnership. TiMi will work with Xbox in multiple dimensions and depths to create outstanding game content and bring new g...[Details]
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Nanlin Electronics was established in Zhangjiang, Shanghai in 2004, specializing in the research and development and manufacturing of digital-analog hybrid chips. The company focuses on non-mobile po...[Details]
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1. Interrupt schematic diagram 2. Interrupt process ①. If it is an internal interrupt without sub-interrupt: after it occurs, the corresponding position of SRCPND is set to 1, and then wait for fu...[Details]
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Introduction: SAA7113 is a kind of Philips video decoding series chip. It is very representative and has been used in many video products such as TV cards, MPEG2, and MPEG4. After becoming famil...[Details]