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September is coming to an end, and the countdown to the release of iPhone 12 has also begun. The latest rumor is that it will be released on the 13th and go on sale on the 16th. A few days a...[Details]
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Background: Mobile phones, digital cameras and camcorders have long entered the era of digital high-definition with megapixels, and some have even reached the level of tens of millions of pixels,...[Details]
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At the Huawei nova6 5G launch conference held earlier this month, Huawei Watch GT2 also ushered in the New Year model. Compared with the regular version, the New Year model has added New Year element...[Details]
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Axial clearance effect
Bearing clearance is also called bearing play. The so-called bearing play refers to the amount of movement when the inner ring or outer ring of the bearing is fixed when...[Details]
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Recently, the price of lithium products, an important raw material for the new energy industry, has become a hot topic again. However, unlike previous years, the core content this time is a decline. A...[Details]
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The frequency divider NE555 counter chip + 74LS90 and 74LS08 circuit is composed, and then the signal is sent to the T1 pin of the microcontroller for detection and the digital tube display frequenc...[Details]
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Recently, the daily demand for remote meetings in enterprises has increased. For a time, the multi-channel concurrency and the surge in data volume have brought severe challenges to the conference sy...[Details]
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High-brightness LED lighting control center topic:
Important characteristics of high-brightness LEDs
Challenges in driving high-brightness LEDs
Challenges in switch-mode...[Details]
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Aurora Innovation, a self-driving car technology company, has launched its self-driving car fault management system (Fault Management System), specifically the Aurora Driver's ability to detect syste...[Details]
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I made a simple 19264 LCD clock with large digital display, using DS1302 and ds12cr887 clock chips, two corresponding programs respectively. Only hours, minutes, seconds and temperature are displayed...[Details]
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Last Friday, Apple's stock opened at $318.79. A week later, the figure fell by $45.27, or 14.2%, to only $273.52. Although the impact of the epidemic on Apple's operations has not yet ended com...[Details]
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1. CDEV Structure
/*
* Kernel source code location
*linux2.6.38/include/linux/cdev.h
*/
struct cdev {
...[Details]
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IBGT drive circuit design
We designed an IGBT drive circuit based on the optocoupler HCPL-316J. Experiments have shown that the circuit has good driving and protection capabilities. The fo...[Details]
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Those who follow 5G development might say that 5G development is over, and those who follow the marketing of the major telecom companies might also say that 5G is already here. In fact, this is only ...[Details]
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On November 10, according to the introduction released by Wuhan Economic and Technological Development Zone, on November 9, the 2024 Annual Conference of Hubei Automotive-Grade Chip Industry Techno...[Details]
PCB Design
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