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When do we need to use enum? When the value of a variable is between several ranges, such as a week variable that can only take values of Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, and...[Details]
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On June 28, the Integrated Circuit Design Service Industry Innovation Center was launched at the Nanjing Integrated Circuit Design Service Industry Innovation Summit Forum. It is reported that the In...[Details]
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As a semiconductor device, the life of LED lamp beads is more than 50,000 hours. However, electrolytic capacitors are commonly used in LED lighting drive solutions, and their life is only 5,000~1...[Details]
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introduction
Backlight sources are divided into direct-lit backlight sources and edge-lit backlight sources according to the position of the light source. In direct-lit backlight sources, th...[Details]
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Project analysis requires a comprehensive analysis of the project's production process, working environment, hardware requirements, and control requirements. This work is the basis for the entire s...[Details]
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Syringe air tightness tester Syringe air tightness tester It uses a 5.7-inch (120×90) single-color LCD touch screen with Chinese menu display. The nominal capacity of the syringe, the lateral force a...[Details]
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1. In the debugging state of Keilc, how to observe the operating status of each on-chip peripheral? How to modify their settings?
In the debugging state, click on different peripheral option comm...[Details]
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Nissan has developed a new electric motor that
uses
40%
less rare earth element dysprosium (
Dy
) than conventional electric motors
. This new environmentally friendly motor wi...[Details]
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China Energy Storage Network:
With the rise of a new round of scientific and technological revolution and industrial transformation, digital technologies such as the Internet, big data, cloud...[Details]
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For the nominal noise in electronic circuits, it can be generally considered that it is a general term for all signals other than the target signal. Initially, people called those electronic signal...[Details]
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Since 1927, Littelfuse has been providing circuit protection solutions for the automotive electronics market in response to market demand. Recently, another successful design solution was adopted b...[Details]
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As a technical engineer, I often receive inquiries and go out to provide technical support. When I arrive at the user's site, I find that many companies' test instruments are too old. Some have even ...[Details]
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The conversion circuit is composed of NE555 time base oscillator, 74LS169 counter and MAX309 multiplexer. It can display multiple trace signals simultaneously through one Y channel. The circuit is s...[Details]
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The long-awaited shift to a cleaner and greener driving ecosystem is no longer just a hazy vision on the distant horizon, but is quickly becoming a reality. Since 2023, China's automobile industry ...[Details]
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Analysis process:
Program entry
Phase 1 Program Analysis
Second stage program analysis
2440 Development Board:
1.uboot entry:
To see the entry of...[Details]
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