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1. Introduction Relays are commonly used components in automatic control systems. The number and types of test relays are very large, and it would be very laborious to query these data manually. Ther...[Details]
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Swept spectrum analyzer It is a frequency sweeping superheterodyne receiver with a display device, mainly used for spectrum analysis of continuous and periodic signals. It works in the frequency band...[Details]
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When it comes to single-phase reversal, people will immediately think that the incoming live wire and the outgoing live wire of the meter are swapped. In practice, the author found that the single-...[Details]
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According to the latest forecast by Gartner, the world's leading information technology research and advisory company, the total global smartphone end-user sales will reach 1.5 billion units in 2021,...[Details]
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Share a fan design that has been mass-produced.
I will explain it in functional modules below:
Power supply
The power supply part adopts the RC step-down circuit comm...[Details]
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With the development of technology, there are more and more applications based on distributed, wireless sensor networks. This paper proposes a wireless sensor network experimental platform based on e...[Details]
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Next-generation cars are now equipped with increasingly complex infotainment and cluster systems. But the increased number of electronic components in modern cars consumes more energy, which generat...[Details]
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Ross Young tweeted that industry chain people do not think the iPhone will have a high refresh rate screen Sina Digital News reported on the morning of July 2 that according to display analyst Ross...[Details]
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This article was written by me when I was learning microcontrollers for three or four days. There are many things that I may not understand properly or are incorrect, so this article has no reference ...[Details]
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LED is a new type of semiconductor light source that is efficient and environmentally friendly. It has advantages that other light sources cannot match. It has a bright future in future automotive ...[Details]
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At present, most electronic badges have a single display mode, the display content cannot be changed at will, the power consumption and cost are high, the size is large, and it is not suitable fo...[Details]
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The Times of India reported that a manufacturer in Apple's supply chain is moving six production lines from China to India in order to meet the needs of the Indian market while exporting about $5 bil...[Details]
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Introduction: Part 1: Function Operation In general single-chip microcomputer systems, data is processed and responded to in a front-end and back-end manner (large loop + interrupt). Here is an exam...[Details]
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5G is coming, and the new generation of Wi-Fi technology is also accelerating its implementation. Recently, the Wi-Fi Alliance announced the launch of the Wi-Fi 6 (802.11ax) certification program to ...[Details]
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On November 8, Infineon Technologies AG and Marelli, a supplier of mobility technology for the automotive industry, collaborated to develop advanced E/E architecture solutions. The collaboration co...[Details]
Microcontroller MCU
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