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1. Introduction to kset
1. kset structure
Struct kset{
Struct list_head list; //Connect the header of the linked list of kobject objects contained
Spinlo...[Details]
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Before 1990,
LED display screens
were in their growth and formation period. On the one hand, due to
the limitation of
LED
materials and devices, the application field of LED display...[Details]
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As we all know, the ECT module is a relatively complex part of HCS12. It has four main functions:
1. Pulse Accumulator
2. Modulus Down-Counter
3. Input Capture
4. Output Compare
The complexi...[Details]
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The most frequently replaced component in power supply maintenance is probably the capacitor. For example, for ceramic capacitors, the two main parameters we care about are capacity and withstand vol...[Details]
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Introduction: Basic principles of synchronous serial port SPI Interface timing diagram of DS1302 Use of DS1302 Use of M16 SPI SPI Basic Principles SPI is the most commonly used synchronous serial...[Details]
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According to Russian media reports, data from retailer M.Video-Eldorado showed that three of the five most popular mobile phones in Russia in the first half of 2019 were from the Honor brand. It is...[Details]
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On April 20, the first batch of concrete was successfully poured for the first phase (103 MW/206 MWh) of the Huaibei Wanneng Energy Storage Power Plant project, which was general contracted by Chin...[Details]
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As can be seen from the figure, the P1_2 pin can sense the state of SW1. When SW1 is not pressed, P1_2=1 high level, and when SW1 is pressed, P1_2=0 grounded.
Note: P1_2 pin only s...[Details]
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Function Through GPIO, key 1 lights up LED 1, key 2 lights up LED 2... illustrate 1) Because the 2440 keys only involve rows, scanning keys is much simpler than the 2410 2) Before performing a sh...[Details]
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2A step-down DC conversion power supply circuit made by high-efficiency switch controller LT1148-5
As shown in the figure, a 2A step-down DC conversion power supply made with the high-efficiency sw...[Details]
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Rohde & Schwarz (hereinafter referred to as "R&S") cooperated with Unisoc to verify the industry's first IoT NTN RF consistency test case based on Unisoc's 5G NTN satellite communication chip V88...[Details]
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Abstract: This article introduces the principle of frequency hopping communication, focuses on the key technologies in frequency hopping communication systems and adaptive frequency hopping comm...[Details]
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1. Circuit Design In the single-chip microcomputer application system, it is often necessary to measure the frequency of a continuous pulse wave. In practical applications, the measurement of physica...[Details]
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On May 11, Yibin District of Luoyang City, Luoyang Manufacturing High-quality Development Fund and Shengshijing Asset Management Group Co., Ltd. signed an agreement to jointly initiate the establishm...[Details]
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According to foreign media reports, automotive electronics supplier REDTIGER announced the launch of the F77 dash cam, redefining video clarity and safety standards for drivers. The F77 is equipped...[Details]
Test/Measurement
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