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Overview
The USB Type-C to audio + fast charging chip CH226 is mainly aimed at the problem of using headphones while charging mobile phones with Type-C headphone interfaces. The single chip ha...[Details]
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Purpose: Make the buzzer sound once every second; Experimental steps: Experimental Procedure: /************************led.c********************** */ #include "stm32f4xx.h" //Can be found...[Details]
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Detailed protocol testing in the "Bluetooth Qualification Procedure" is absolutely necessary for every new radio module that is put on the market. This article describes how to carry out such test...[Details]
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The conventional microcontroller running program is as follows: while（1） { ..... } It is similar to a sequential execution method, which is relatively rigid in execution. Once an error occurs in a c...[Details]
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Laser processing is a technology that studies the interaction between lasers and materials. It is also a high-tech technology that the country supports and promotes. In recent years, the annual gro...[Details]
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The whistleblower @Evan Blass released a Samsung product roadmap for 2021 today. Following the release of the new A series mid-range model yesterday, it is expected to release another product a...[Details]
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The space size of stm8s008 is 8K. When using it, there will be a situation where the space is not enough. At this time, some settings should be made on the software to optimize the program size. 1....[Details]
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Semiconductor manufacturing company Teledyne e2v was founded in 1955 and is located in Grenoble, the heart of France's Silicon Valley. Teledyne acquired e2v in March 2017 and has more than 11,000 emp...[Details]
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2-1-1. Working principle of switching transformer Switching transformers generally work in a switching state; when the input voltage is a DC pulse voltage, it is called a unipolar pulse input, such a...[Details]
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================================================== ================================================== ============ Compared with the mainstream ARM7/ARM9 core architecture of the previous generatio...[Details]
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1. Selection of Optocoupler
For optocouplers using a phototransistor, the CTR range is mostly 20% to 300% (such as 4N35), while PC817 (not recommended) is 80% to 160%, and Darlington optocouplers...[Details]
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As usual, Redmi started warming up its new Note series products on social networks early on, so before today's press conference, we actually already knew most of the parameter information. ...[Details]
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Reference link: http://wenku.baidu.com/view/ae78a00390c69ec3d5bb75ce.html?st=1
The link has pointed out the reason why I had been using the 2013.01 version of uboot for errors. The 2010....[Details]
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PLC is a small industrial computer. When it has a problem, we must first rule out whether it is a problem with the PLC itself or a peripheral problem. If there is a problem with the PLC itself, the...[Details]
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Lithium-ion battery is a widely used rechargeable battery. It has the advantages of high single-cell operating voltage, small size, light weight, high energy density, long cycle life, rapid full ...[Details]
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