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A very neat one-button program:
bit flag=0; define flag
The following is the keyboard handler:
void scankey() // scan key
{
if(p10= =0&&flag= =0) //p10 port button and processing program, if fl...[Details]
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According to Korean media reports, Nvidia will outsource the production of its GPUs to Samsung using the 7nm extreme ultraviolet lithography (EUV) process. However, according to the Economic Daily, M...[Details]
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Introduction
Due to the advantages of LED, such as environmental protection, long life and high luminous efficiency, it has been recognized by various countries as the next generation of ideal lig...[Details]
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At the request of President Trump, Apple wants to move its production lines back to the United States, and for this purpose, Apple has been weighing the pros and cons. In June this year, Apple offi...[Details]
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The introduction of a new technology usually requires a transition process, during which users continue to examine the practical and unrealistic aspects of the new technology. This article aims to cl...[Details]
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The use of matrix keyboards is very common in the study of single-product machines, but for many novices, including myself, sometimes I don’t understand it. After thinking about it last night and thi...[Details]
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Due to the intermittent power supply characteristics of pulse power supply, it has been widely used in many fields. For example, high-energy physics, particle accelerators, metal material processing, ...[Details]
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Flutter flight test is a test subject that must be conducted for new aircraft or aircraft with major modifications. It is a Class I risk test subject recognized by the world, so real-time monitoring ...[Details]
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OPPO has announced that the first phase of its state-of-the-art manufacturing plant in Greater Noida, India has been completed. The plant is located in an industrial area covering 110 acres and curre...[Details]
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On March 6, Cai Yi, president of the Engineering Research Institute of Guoxuan High-tech, revealed in an interview with Bloomberg that "Guoxuan High-tech is seeking to increase the energy density of ...[Details]
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If we say that more than a decade ago, the purpose of introducing Apple into China was to allow the Apple mobile phone as a catfish to revitalize the domestic mobile phone market and drive the develo...[Details]
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1. Forward voltage drops, dim light
A: One is that the electrode and the light-emitting material are in ohmic contact, but the contact resistance is large, which is mainly caused by low concen...[Details]
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Hikvision issued an announcement stating that official directors Hu Yangzhong and Gong Hongjia received the "Investigation Notice" from the China Securities Regulatory Commission on November 11, 2019...[Details]
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Principle and design of noise injection in analog filter
Sometimes, things just don't make sense! For example, an RC filter on the input of your delta-sigma ADC or a low-pass filter on...[Details]
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12V cut-off switching power supply circuit
Figure 12V cut-off switching power supply circuit
The circuit of the 12V current-cutoff switching power supply is shown in Figure 4. This circuit ...[Details]
DSP and ARM Processors
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