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1. How to improve the efficiency of C language programming code
Deng Hongjie pointed out that using C language for MCU programming is an inevitable trend in MCU development and application. He...[Details]
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#include pic.h #define uchar unsigned char #define uint unsigned int __CONFIG(0x3B31); const uchar table ={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d, 0x07,0x7f,0x6f,0x77,0x7c,0x39,0x...[Details]
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News in the early morning of June 8th, Apple held the 2021 Worldwide Developers Conference online today. At this conference, iCloud was officially upgraded to the iCloud+ brand, and more emphas...[Details]
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Recently, at the 9th China International Energy Storage Conference, Kehua Hengsheng Co., Ltd. (hereinafter referred to as "Kehua Hengsheng") obtained a safety certification certificate for its 1500...[Details]
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According to foreign media reports, Volkswagen Commercial Vehicles, Volkswagen's independent brand responsible for the development and sales of light commercial vehicles , and autonomous driving tech...[Details]
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In embedded systems, BootLoader is used to initialize hardware, load the kernel, and pass parameters. Because the hardware environment of embedded systems is different, the BootLoader of embedded...[Details]
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Let me introduce to you a c51 program for reading and writing AT29C040 using 51 microcontroller. ＃include 《reg51.h》 ＃include 《intrins.h》 unsigned char time; void int_t0（void） interrupt 1 { time++; ...[Details]
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1. Introduction
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip microcomputer products. Among the flourishing single-...[Details]
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Optocouplers are now widely used in various control circuits. Since the light-emitting diodes and phototransistors inside the optocouplers only convert the voltage or current changes of the circuit b...[Details]
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1 Introduction Ultrasonic sensors have been widely used due to their high measurement accuracy, fast response and low price. The traditional application method is that one transmitter corresponds to...[Details]
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As the release date approaches, there are endless leaks about the iPhone 13, but it is difficult to tell whether they are true or false. According to reports, the iPhone 13 series will have sig...[Details]
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The inverter welding machine is mainly an inverter arc welding power source generated by an inverter, also known as an arc welding inverter, which is a new type of welding power source. It converts t...[Details]
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According to 9to5Mac, Apple has released the first beta of macOS Monterey 12.2, which includes a new version of Apple Music powered by AppKit instead of a web-based app. Back in 2019, when ...[Details]
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With the rapid development of white light LED technology, many practical and impractical solutions have been proposed. Here we analyze the lighting applications and prospects of LED by comparing s...[Details]
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Central topics:
Analyzing PSRR that affects mobile phone audio quality
Analyzing Power Supply Noise Affecting Mobile Phone Audio Quality
Solution:
Main...[Details]
PCB Design
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