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89c51 8-bit LED dynamic scanning clock program //Use 12MHz crystal oscillator, P0 port output segment code, P2 port for column scan, use common anode LED digital tube // #include "reg51.h" code ch...[Details]
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LTE
has attracted wide attention from mainstream communication equipment manufacturers and operators around the world for its advantages such as high speed and low latency. Currently, L...[Details]
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Recently, it was learned from the official website of the People's Bank of China that the Shenzhen Branch of the People's Bank of China issued a fine and imposed administrative penalties on Tenpay. ...[Details]
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The orthogonal oscillator can simultaneously output mutually orthogonal sine waves and cosine waves. Figure 5.3-29A shows the principle circuit of an orthogonal oscillator, which is composed of a ...[Details]
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1. Each 8050 transistor can drive eight to sixteen LEDs. Only LEDs with the same light-emitting voltage (different colors usually have different light-emitting voltages) can be used in parallel. The ...[Details]
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1. AVR MCU fuse bit locked simple and quick decryption method: Many AVR microcontroller beginners may easily make mistakes in the fuse bits when using AVR microcontrollers, causing the microcontrol...[Details]
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The control terminal is an indispensable component of the measurement and control device. Many measurement and control systems currently used have the characteristics of large scale, scattered cont...[Details]
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introduction
An efficient automatic temperature and humidity monitoring system is necessary to manage various industries scientifically and effectively, ensure constant temperature and humidity...[Details]
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1 Introduction Because of its advantages of simplicity, practicality, high reliability, good performance-price ratio and small size, single-chip microcomputers have been rapidly developed in various ...[Details]
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A 2-way speaker is a speaker consisting of a tweeter and a woofer, and is a type of full-range speaker.
Homemade simple two-way frequency divider
Today, I will give you a homemade b...[Details]
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Due to the development of contemporary society, almost everyone is using mobile phones. Mobile phones have become an indispensable daily necessity for us. However, people have gradually discovered ...[Details]
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Do you dare to imagine building a power station in space?
Place a huge solar array in the Earth's orbit to form a solar power station, and the solar power generation device converts solar ...[Details]
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Brazil’s antitrust regulator has approved SK Hynix’s acquisition of Intel’s NAND business, industry insiders said on Friday, Bloomberg reported. Brazil's Council for Economic Defense and Administrati...[Details]
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CPLD and 51 microcontroller bus interface program `timescale 1ns/1ns module IO_KZ(Data,P27,WR,RD,ALE,CLR,OUTKEY,OUT30,CS,CS1,LEDCS,OC); inout Data; input WR; input P27; input RD; input ALE; input CLR...[Details]
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Recently, there have been continuous news about the use of MLED in vehicles. Changan Qiyuan E07 uses Jufei Optoelectronics COB; Zeekr 7X uses Ruifeng Optoelectronics' Mini LED backlight vehicle scr...[Details]