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I majored in software engineering, and I learned MCU purely out of interest. I was tired of the emptiness of writing pure software, which could only display a sentence "hello, world!" on the screen, ...[Details]
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If we were to choose the most convenient function in a PC, the USB interface would obviously be one of the best candidates. With the popularity of the USB-C interface, the problem of USB being diffic...[Details]
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Abstract: This article focuses on the working principle and internal circuit of the SoC-based digital camera system. Finally, a brief description of its chip and system performance is provided. ...[Details]
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On August 5, Samsung officially released the Galaxy Note 20 series, including the Galaxy Note 20 Ultra and Galaxy Note 20, with more powerful configuration specifications, refreshed design, S Pen imp...[Details]
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Everyone may know a little about 5G, such as frequency, networking, etc. At present, the frequency bands of the three major operators in my country are mainly based on 3400MHz-3600MHz and 2.6GHz. At ...[Details]
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*ST Dehao issued an announcement authorizing the management to proceed with matters related to the closure of the LED chip factory. The announcement shows that Dehow Runda held the 14th meeting of ...[Details]
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In mobile phones and other consumer electronics, white LEDs are increasingly being used as backlight sources for displays. Recently, many product designers hope that the brightness of white LEDs ca...[Details]
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For those who have an iPhone 12 series, today's update is a must-upgrade. Today, Apple released the official version of iOS 14.2.1, which solves many problems, such as the previously controv...[Details]
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1 Introduction
As shown in Figure 1, the rectifier part of a general cascade high-voltage inverter uses uncontrollable diodes, so the energy transmission is irreversible. When the motor is in ...[Details]
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According to Cailianshe, LG Electronics said it will exit the solar panel industry due to rising costs and fierce competition. LG Electronics said it will invest more resources into core business ar...[Details]
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The combustion products of oil, coal and natural gas are mainly carbon dioxide, which causes the earth's temperature to rise year by year. At the same time, fossil fuels also contain impurities, espe...[Details]
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Here we record the process of the Linux kernel doing secondary memory mapping, taking the mapping process of the interrupt vector table as an example.
In the S3C6410 architecture, Linux uses a coarse...[Details]
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For those born in the 90s and 00s, Nokia may be unfamiliar, but in the eyes of those born in the 70s and 80s, Nokia is a god in their hearts. How powerful was Nokia at its peak? With a market share...[Details]
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There are many types of faults that may occur in brushless ringless starters. Common types of faults include:
Power failure: A power failure may cause the motor to fail to start or work proper...[Details]
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As autonomous driving technology is changing with each passing day, the installed capacity of various core components has become an important indicator to measure the market position and technical ...[Details]