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A speaker is a device that can convert audio signals into sound. In layman's terms, it means that the speaker main box or subwoofer box has a built-in power amplifier, which amplifies the audio sig...[Details]

With the increase in energy demand, the development of oil, natural gas and coal is expanding, and the production environment contains a large amount of methane. Methane is a flammable and explosive g...[Details]

In an auto show, most people only focus on new cars and beautiful women. In fact, at the booth, they also displayed some technological highlights of the brand. These new technologies may become the fu...[Details]

  Great Wall Motors has released a very interesting hybrid architecture, in which a model is developed for C-class SUVs, and it is a 200km plug-in hybrid with four-wheel drive. From this perspective...[Details]

1. Open the IAR 4.42a development environment, Project->Create New Project   2. Select an empty project. Click: OK   3. A Save As dialog box pops up, file name: GPOP (Note: the file type is ...[Details]

Maxim's MAX7219 chip is used for dynamic scanning display driver. The chip has 8x8 static RAM, dynamic scanning circuit, and segment and bit drivers that can store display information. It is connec...[Details]

A Minano or mini-piano actually produces organ-like notes, rich in harmonics, and is very pleasant to the ear. This instrument can be a lot of fun. It may create only one tone in a...[Details]

"Save our planet, keep it away from pollution!" This is the unanimous call of scientists and people of insight around the world to reduce greenhouse gas emissions. Cars driven by fossil fuel engines ...[Details]

  #include reg52.h #define uchar unsigned char #define uint unsigned int #define LINE P0 //define line IO port, i.e. 74HC154 control terminal #define shudu 20 //word moving speed sbit DATA=P1...[Details]

The previous article wrote about the most basic entry-level flashing light program of PIC. Through this program, Europe and the United States can see that our microcontroller has indeed started to wor...[Details]

Earlier, foreign media discovered that Apple seems to have transferred the iTunes account to the Facebook and Instagram accounts of Apple TV. The company's Twitter account is still unaffected.   In m...[Details]

OFweek Cup · OFweek 2023 China Robot Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]

The most intuitive feeling that 5G brings to consumers is the significant increase in speed, which will greatly improve the experience of video calls, downloads, and movie watching. For businesses, 5...[Details]

This week at the 2020 VLSI Technology and Circuits Symposium, Intel will present a series of research results and technical perspectives on the computing transformation caused by the growing amount o...[Details]

With the rapid development of Internet, the mutual promotion of communication and computers, the power supply quality requirements for the precision electronic equipment used in them, such as compu...[Details]