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In September 2019, there were 4 power-related personal injury accidents and 4 deaths nationwide, an increase of 2 accidents and 2 deaths year-on-year. Among them, there were 4 power production pers...[Details]

Economic Daily-China Economic Net, Beijing, June 19 (Intern reporter Chen Mengyu) Yesterday, the domestic artificial intelligence company AutoBrain held its first "Hello AI Life" theme conference in ...[Details]

On January 20, the 7th First Members' Meeting of Shenzhen Semiconductor Industry Association was held. At the meeting, Mr. Zhou Shengming was elected as the new president of Shenzhen Semiconductor In...[Details]

　　採用本文介绍的甲类放大器，可以获得比较好的高传真效果。Ａ类耳机放大器（TL072OP配合BC142，143） 　　在日常的生活中，当其他家庭成员正在看电视，或者别人正在睡觉不能打扰时，你就无法去欣赏那优美的音乐。在这种情况下就需要考虑本文介绍的放大器，虽然电路很简单，但其高传真效果却超过了商店里的标準功率放大器，利用调谐器和答录机机芯，就可以安装出一个高质量的音响系统，而价格却比较低。 　　...[Details]

GKN Automotive has developed a new generation of electric vehicle drive system platform, providing users with a powerful, widely applicable and relatively reliable technical solution. GKN Automo...[Details]

Since the Industrial Revolution, the automobile industry has flourished, and traditional fuel vehicles have also had a huge impact on the ecological environment in terms of emissions. In 2021, carb...[Details]

How to measure the capacitance of a circuit board To measure the capacitance value of a capacitor, it is best to disassemble it for more accurate measurement. Because the capacitor itself is an energ...[Details]

The 23rd China International Industry Fair with the theme of "Carbon Cycle, New Numbers, New Economy" opened at the National Exhibition and Convention Center (Shanghai) on September 19, 2023. S...[Details]

I went to STC's official website and felt that it was really a copycat. It's really not easy to find that even the data sheet is so copycat. But it's good to use, I feel the function is quite powerfu...[Details]

Anhui Development and Reform Energy No. 577 To the Development and Reform Commission, Economic and Information Commission, Finance Bureau, Housing and Urban-Rural Development Comm...[Details]

In recent years, as the country has vigorously supported the development of the local integrated circuit industry, semiconductor-related investment projects have gradually increased. At the same time...[Details]

Specific implementation functions The system consists of STC89C52 microcontroller + ISD4004 recording chip + LM386 amplifier module + small speaker + LCD1602 + button + indicator light + power supply...[Details]

Program Overview Has your company encountered the following problems? It is time-consuming and laborious to search for goods in the warehouse, and often impossible to find them. It is unclear...[Details]

The low carrier frequency FM TV modulator has been introduced for some time. Its circuit structure has been improved and the circuit parameters have become more reasonable. However, some problems have...[Details]

The most widely used scenario of inductors is power supply. Both boost circuits and buck circuits require an inductor to store and release energy. Many novice friends are too familiar with the prin...[Details]