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Russia's semiconductor chips are heavily dependent on imports and it has also experienced a chip shortage in the past six months. In the future, it can only strengthen domestic chip production. To th...[Details]
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The eddy current testing methods for copper and copper alloy tubes are classified according to the type of probe used. There are three types: through-coil method, rotating point probe method, and inte...[Details]
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Experiment 1: Intermittent sound and light alarm signal experiment
program:
// Experiment of intermittent sound and light alarm signal
#define uchar unsigned char
#define uint unsigned int
#defi...[Details]
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I thought Xiaomi had given up on the tablet market because it hadn’t updated its product line in more than two years. The previous model, the Mi Pad 4, was released in June 2018 and sales were not im...[Details]
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introduction: Lithium-ion battery is a new type of battery with large capacity, rechargeable and reusable, and no environmental pollution. After entering the 1990s, LIB became a relatively new commer...[Details]
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CATL has released the world's first 4C supercharger battery that uses lithium iron phosphate and can be mass-produced - the Shenxing supercharger battery, which achieves an ultra-fast charging spee...[Details]
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Although there are many different opinions on the concepts of sensor networks, the Internet of Things, and ubiquitous networks, it is generally believed that the Internet of Things refers to the on-d...[Details]
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In order to reduce the proportion of data transmission time in the entire system processing time index, the data transmission rate should be no less than E1 (2.048Mb/s), and the communication...[Details]
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TL431 Functional Introduction
The reference voltage and feedback circuit of this design are completed by the commonly used three-terminal voltage regulator TL431. In the application of the ...[Details]
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Hardness is a performance index to measure the hardness of a material. There are many methods for hardness testing, and the principles are different. The measured hardness values and meanings are no...[Details]
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June 6th is the 27th National "Eye Care Day". BOE (BOE Oriental Technology Group Co., Ltd.) has teamed up with Honor, AOC, Skyworth and other leading smart terminal consumer brands to launch the firs...[Details]
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On February 7, State Grid Corporation of China issued 12 measures to respond to the impact of the epidemic and fully resume construction to promote the resumption of work and production of enterpri...[Details]
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Cognex, a leading company in visual inspection, guidance and industrial ID systems, recently held a seminar in Shenzhen with the theme of "We can read it". Mr. Shen Liwei, product marketing manager...[Details]
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At the 7th Shanghai FD-SOI Forum held on September 16, 2019, Americo Lemos, senior vice president of GlobalFoundries, pointed out that the fast-growing IoT market will bring huge development opportun...[Details]
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The last line after startup prompts can't access tty, job control turned off, which means that the console cannot be entered. The reason is that there is a problem in the /etc/inittab file
Sol...[Details]
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