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Recently, China Mobile Communications Co., Ltd. released China Mobile's 2021-2022 PC Server Centralized Procurement Supplementary Procurement (Phase I). The centralized procurement products of this b...[Details]
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In recent years, LED electronic display screens have attracted increasing attention as a high-tech product. They can display text, graphics and image information in real time or in a loop. They have ...[Details]
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An AC voltmeter must be used to measure AC voltage. When measuring AC voltage with an AC voltmeter, the voltmeter does not distinguish polarity and only needs to be directly connected in parallel to ...[Details]
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Check the PIC microcontroller chip manual, the description of the carry/borrow bit is: C: Carry/borrow bit. 1 = A carry occurred from the highest bit of the result 0 = No carry occurred from ...[Details]
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introduction
At present, LED large-screen display systems are divided into two categories according to the data transmission mode: one is synchronous real-time display; the other is asynchrono...[Details]
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If you are not familiar with RTC hardware, you can read the above blog, which talks about hardware-related content. 1. First, do some overall analysis. I roughly looked at the kconfig and Makefile ...[Details]
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BYD recently announced its sales data for January 2023. Passenger car sales were 150,164 units, a year-on-year increase of 57.8%, of which 10,409 units were exported. As the global sales champion o...[Details]
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The two most important software for microcontroller development are programming software and downloading software. We use the 51 version of Keil uVision4, also called Keil C51, for programming softwa...[Details]
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At present, many people focus
on the
number
of
LED
lumens
, but pay less attention to the heat dissipation of LED lamps. In fact, the number of LED lumens is increasing rapidly...[Details]
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0 Introduction
Although traditional inverter technology is mature, reliable and widely used, it has disadvantages such as large and heavy size, high audio noise and poor system dynamic charact...[Details]
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The single-chip microcomputer was born in 1971, and has gone through three stages: SCM, MCU , and SoC. The single-chip microcomputer has developed from 1-bit, 4-bit, 8-bit, and 16-bit to the current ...[Details]
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With the rapid improvement of LED luminous efficiency and manufacturing process, coupled with the global energy conservation and carbon reduction, environmental awareness,
LED applications
...[Details]
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On May 26, Yiwei Lithium Energy (300014) announced that the company had received the "About Acceptance of Huizhou Yiwei Lithium Energy Co., Ltd.'s Issuance of Convertibles to Unspecified Objects"...[Details]
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As countries around the world pay more and more attention to energy conservation and emission reduction, LED as a new light source is increasingly widely used due to its high efficiency and energy ...[Details]
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The operational amplifier is a typical analog integrated circuit. It can be said that the existence of the operational amplifier is the beginning of the analog integrated circuit, and its history is ...[Details]