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//4x4 matrix keyboard scanning routine (C51) //Use the LED on the P0 port to display the key value obtained by scanning the 4x4 keyboard // //Li Yingchao, School of Physics and Electronic Engineering...[Details]
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When writing a medium-sized program, state machines and event structures are common design patterns. SR (SHIFT REGISTER) is often used to transfer data between various cases. When there are many ca...[Details]
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Regarding the issue of "NIO being unable to pay wages in December", NIO said that with the increasing number of employees and the increasingly complex salary structure, it is becoming increasingly ch...[Details]
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0 Preface With the rapid development of the automobile market and the increasing awareness of security, people have higher and higher requirements for automobile safety technology. However, the exi...[Details]
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1. Introduction
In actual RF circuit design, the problem of detecting the amplitude ratio (gain) and phase difference between two signals is often encountered, which is also an indispensab...[Details]
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Researchers at the Georgia Institute of Technology have used zinc oxide nanowires to significantly improve the efficiency of gallium nitride LEDs in converting electrical current into ultraviolet l...[Details]
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Akamai Earns Top Scores for API Security, Web-Scale Business-Critical Application Use Cases; Also Recognized as a Leader in Magic Quadrant Companion Report Akamai Technologies, Inc. (Akamai), the i...[Details]
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1. Interrupt Overview
There are usually three ways to transmit data between the CPU and peripherals: query method, interrupt method, and DMA method.
The so-called query mode ...[Details]
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introduction
LED
billboards are a kind of information
display
terminal for the public, which has a wide range of civil and commercial values. However, most of the info...[Details]
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The epidemic is still not over, and wearing a mask in the hot summer makes it even more stuffy. In response, Japan invented a fan installed on the mask to bring coolness. Recently, a Japanes...[Details]
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Contents of the VB.NET host computer source code package for the single-chip programmable field effect tube control board: Data directory 1 Introduction to the functions of the 8-input and 8-outpu...[Details]
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Research organization DIGITIMES Research released shipment statistics for Taiwan's TV assembly plants in the first quarter of 2019, which fell to 6.25 million units, a decrease of 35.5% from the prev...[Details]
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Through the fault analysis of the damaged current probe, it is found that the parts of the probe that are easily damaged are roughly as follows: 1. Circuit board connected to the current amplifier; 2...[Details]
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The frequency offset measurement method developed in the vector network analyzer can effectively solve the problem of reciprocity difficulties and the need for mixer/converter consistency testing. It...[Details]
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There are many types of SMD capacitors, and the parameters of SMD capacitors used in different products are also different. The reason why automotive professional SMD capacitors are special is that...[Details]
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