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TWS（True Wireless Stereo, 真无线立体声）蓝牙耳机是近年来异常火热的音频产品。它借助蓝牙芯片，先将手机与主耳机建立无线连接，再建立起主耳机和副耳机的无线通讯，从而完全摒弃了传统耳机间的线材连接，极大地方便了用户的使用。另外，主耳机是可以单独使用的，完全能够胜任现有市场上的单颗蓝牙耳机的应用需求，使用功能非常强大。因此自从2016年9月苹果发布第一款TWS耳机——Airpo...[Details]
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There are many types of inverters, which can be classified in different ways. 1. According to the frequency of the inverter outputting AC power, it can be divided into industrial frequency invert...[Details]
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In recent years, electric bikes can be seen everywhere on the road. Compared with bicycles, they are more labor-saving, easier and faster; compared with cars, they are more flexible and environmen...[Details]
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All medical applications require high reliability while still providing the end user with the technological advancements they need. Due to the fierce competition between medical device companies, t...[Details]
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The 89C51 chip does not have its own PWM generator. If you want to use 51 to generate PWM waves, you must use software programming to simulate it. Methods can be roughly divided into two methods: sof...[Details]
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The program is a basic program for dual serial port communication of STC microcontroller at 9600 baud rate. The program content includes interrupt reception and interrupt forwarding of received data....[Details]
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A previous full teardown by iFixit revealed that the camera modules on the iPhone 12 series cannot be swapped unless Apple's proprietary diagnostic tools are available. However, this appears to be ju...[Details]
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1. Introduction
New AC power supply designs in the 200W-500W range increasingly require power factor correction (PFC) to reduce energy waste on the power cord and maximize the power availabl...[Details]
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Abstract: DSD-1700 is a new D/A converter developed by Sony in cooperation with Burr-Brown Company that can convert data stream (DSD) into analog audio signals in Super Audio CD (SACD) playback ...[Details]
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Semiconductor solution provider Renesas Electronics announced that it will further integrate channel partners in China, Taiwan, and the Asia Pacific region to adjust the company's market strategy. As...[Details]
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This 2x4W stereo tube amplifier circuit is not built using transistors but using tubes. Using the circuit shown in the figure, this amplifier can produce 4 watts of power for each channel. It is we...[Details]
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Fintech is changing the way the financial industry operates and how it provides products and services to customers. Recently, newelectronics wrote an article detailing how the financial industry has ...[Details]
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There are many ways to communicate between the microcontroller and the PC. The following program mainly uses the asynchronous serial communication of the 51 microcontroller.
1.51 MCU serial communi...[Details]
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According to Reuters, a study by Boston Consulting Group (BCG) pointed out that if Europe wants to deploy super-fast 5G networks in its 27 member states, it will need to invest 300 billion euros ($35...[Details]
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First, the ARM pseudo instructions include:
ARM machine code
Define class directive
Operation directives
ARM machine code:
In fact, any processor ...[Details]
FPGA/CPLD
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