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This article is about testing my own PHILIPS E27 spiral lamp energy-saving lamp and sharing some conclusions. Let's take a look. My living room and dining room have been using PHILIPS E27 spiral ...[Details]
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Today, Samsung Galaxy’s official Weibo account announced that its foldable phone Galaxy Z Fold2 5G has officially gone on sale. In terms of appearance, the external screen of the Samsung Galaxy Z F...[Details]
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Data acquisition and its Fourier analysis are important links and basic means of signal processing. It is well known that when using FFT technology to perform spectrum analysis on signals, its a...[Details]
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The AT89C2051
microcontroller has a serial I/O port. Through the pins RXD and TXD , it can communicate with the external circuit in full-duplex serial asynchronous communication. Whe...[Details]
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When we first started writing Linux device drivers, we often used the mknod command to manually create device nodes. In fact, the Linux kernel provides us with a set of functions that can be used to ...[Details]
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On January 10, the Ruisheng sensor chip project invested by Japan's CanTech Co., Ltd. was signed and settled in Suzhou Taicang High-tech Zone. CanTech will set up its headquarters and R&D center in T...[Details]
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In hardware, the I2C bus is composed of two lines, the clock bus SCL and the data bus SDA. The SCL of all devices connected to the bus are connected together, and all SDA are connected together. The ...[Details]
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Install GNU C for AVR 1. Execute the installation program 2. Generate the library file for linking $(AVR) represents the root directory of the installation. (In my system, ...[Details]
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#include
#include
#include
#include "lcdbn.h"
uchar data1 ={0,2,5,0};
uchar data2 = {0,0,0,0};
uchar j,key=0;
uchar chr ="pre: *2%";
uchar *chr1 ={"openc V: ",
"s...[Details]
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Automatic gain control circuit is formed to improve the listening effect. TL is the induction coil of the telephone listening device. It is made of several small pieces of Permalloy shee...[Details]
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1 Introduction Liquid crystal displays have the characteristics of low power consumption, high clarity, long life, small size, light weight, and good optical properties. They are ideal display dev...[Details]
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I hope all the new friends who post for help will search the forum first. There are many posts from teachers in the forum. Although many of them are not clearly described, there are always 8X8 dot ma...[Details]
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Abandoning physical buttons and eliminating tedious clicks, our cars can understand our voices and read our eyes. Inside the cockpit , the most powerful intelligent revolution in history is taking ...[Details]
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On October 18, Taiwan media Electronic Times published a report on October 17 that according to industry sources, ASML and TSMC executives will start bargaining for equipment procurement in 2025. A...[Details]
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Introduction: No lies, just the truth. On January 18, 2021, GAC Group announced that the graphene-based super-fast charging battery and the long- life silicon negative electrode battery have been...[Details]