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ARM architecture development boards are different from X86 architecture PCs in CPU instructions and binary formats. Linux drivers need to access hardware and these hardware are difficult to simulat...[Details]
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#include"reg52.h" typedef unsigned char u8; typedef unsigned int u16; sbit led=P2^0; void delay(u16 i) { while(i--); } void main() { while(1) { led=0; del...[Details]
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The most important parameter of a power semiconductor device that reflects its overload capability is the surge current, which is the maximum allowable current amplitude of a half-sinusoidal shape la...[Details]
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5G mobile phones seem to be really popular this year. According to the data from the China Academy of Information and Communications Technology, in May 2020, the total shipments of the domestic mobil...[Details]
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On May 15 this year, the U.S. Bureau of Industry and Information Technology further tightened restrictions on Huawei. All companies using U.S. equipment and technology need to obtain a U.S. license b...[Details]
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In view of the influence of temperature/humidity on ammunition storage and the shortcomings of traditional ammunition depot temperature and humidity monitoring systems, an intelligent monitoring syst...[Details]
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This paper introduces the Can Calibration Protocol, which is widely used in online calibration. Based on this protocol, an online calibration system for hybrid electric vehicle battery control unit...[Details]
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Data shows that in 2012, the total output value of China's satellite navigation and location services industry was only 81.2 billion yuan, and this figure reached 211.8 billion yuan in 2016, an inc...[Details]
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Two figures mentioned in the government work report attracted the attention of Ouyang Zehua, member of the National Committee of the Chinese People's Political Consultative Conference, vice chairman o...[Details]
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1. Phase Noise Although we cannot see the actual frequency jitter of the spectrum analyzer's local oscillator system, we can still observe obvious manifestations of the instability of the local oscil...[Details]
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This is a little gadget I showed you using Raspberry Pi. I will use several blogs to explain the ins and outs of this little gadget. This time, I will first give you a brief introduction to what I mad...[Details]
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The mobile phone industry has been very busy these days, with many mobile phone manufacturers announcing that they will soon launch technologies or products with charging power of 100W (including 100...[Details]
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According to a leaked support document discovered by 9to5Mac, Apple may be planning to release a dual-port 35W USB-C charger in the near future. The support document only appeared on Apple's we...[Details]
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Many oscilloscopes on the market today have their own control methods, including using the front panel, touch screen, or soft keys. The basic controls found on most oscilloscopes include: Horizonta...[Details]
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According to foreign media reports, British company Blackout Technologies has launched the industry's first mobile device blocking tool, which aims to significantly reduce traffic accidents caused ...[Details]
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