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This speaker cable can use other high-quality coaxial cables, but they must be made of copper core and copper mesh. The copper mesh must be tightly woven, and the shielding layer is copper foil (i...[Details]

On December 1, Shenzhen Technology issued an announcement stating that in view of the company's (including its holding subsidiaries, hereinafter the same) daily business needs, combined with the perf...[Details]

The linux-2.6.34 kernel has been released, so I downloaded it and compiled it. There is basically no need to modify it. I just need to modify two lines of Makefile ARCH ?= arm CROSS_COMPILE...[Details]

1. Introduction to PID algorithm In smart car competitions, the use of PID algorithm is very meaningful if the smart car is to move flexibly according to the ever-changing track.      First of al...[Details]

　　After multiple exposures, on the 22nd, vivo officially announced the world's first screen fingerprint phone - vivo  X20 Plus screen fingerprint version, which is the vivo X20 Plus UD (Under Displa...[Details]

Using stc89c52 microcontroller, the circuit is very simple, using eight-bit common anode digital tube, P0 port is the segment selection of the digital tube, P2 port is the bit selection. Use key1...[Details]

The interrupt response delay time of the MCS-51 microcontroller depends on whether other interrupt service routines are in progress, or on what instruction is being executed. The interrupt response t...[Details]

On January 4, Duan Chenggang, member of the Standing Committee of the Chongqing Municipal Party Committee, Secretary of the Party Working Committee and Director of the Management Committee of Liangji...[Details]

ARM processor 7 types of exceptions 　　The order of priority from high to low is as follows: 　　Reset abnormality (Reset) 　　Data Abort 　　Fast Interrupt Exception (FIQ) 　　External interrupt exception (I...[Details]

Through the research and analysis of the causes and hazards of high-order harmonics in power systems, this paper focuses on the measures to suppress harmonics in power systems. Keywords: high-...[Details]

When I got off work today, my friend suddenly asked me what a real-time oscilloscope is, what a sampling oscilloscope is, what the difference is, and what are the advantages of each. I think although...[Details]

Micron’s first Sustainability Center of Excellence highlights company’s ongoing commitment to China operations and local communities March 27, 2024, Xi'an, China - Micron Technology Inc. (NASD...[Details]

1. Basic knowledge of hardware testing 1.1 What is hardware testing? Definition: Hardware testing is a process activity to check the product hardware (structure, PCBA, key components, etc.) during th...[Details]

The "war" between CATL and car companies in the field of power batteries will inevitably accelerate. Currently, Tesla and BYD, the two largest sales giants of new energy vehicles in the world, bot...[Details]

Nowadays, electric cars are becoming more and more popular. The most worrying thing about buying electric cars is the charging problem. Today we summarize 5 factors that affect the charging speed. ...[Details]