A very strange DXP problem. Can someone tell me why GND is sometimes missing when importing PCB? As shown in the picture. This is normal. GND appears in the picture when imported. This is abnormal. GN...
Using Jlink debugging, the 44b0 development board is a public version of the schematic diagram, the BIOS has been burned, and it should be able to run directly in SDRAM. The project selection also set...
Does anyone have a good method for 4.2V disconnection monitoring?When the current is set at 30K, according to the formula in the specification, the constant current charging current is 1000/30000=33mA...
I am a rookie who will be a sophomore next year. I taught myself 51 single-chip microcomputers in my freshman year. I got into it and understood the basic principles, but I was not familiar with it. W...
Source: Application of Electronic Technology Author: Yang Lu, Zhang Chunmao, Cui Huijuan, Tang Kundu Abstract: This paper introduces a multi-standard voice codec, which completes full-duplex communica...
Flip-chip and ball grid array (BGA) are two widely used packaging technologies in the electronics industry. Each has its own advantages and limitations, and in some cases, they can complement each ...[Details]
As the number of cars increases, environmental pressures are also increasing. At this time, some people are saying that new energy vehicles are energy-efficient and environmentally friendly, and ar...[Details]
According to foreign media reports, BMW has just been granted a patent for a screen that could cover the entire roof. BMW hopes to transform at least a portion of the vehicle's headliner into a dis...[Details]
In camera and display systems, the demand for high-performance and low-power data interfaces is driving continuous technological evolution. The evolution of MIPI D-PHY and MIPI C-PHY clearly ...[Details]
Generally not, but there are exceptions. For example, a torque motor controller with three-phase output voltage imbalance can cause current imbalance, similar to a phase loss. However, only two pha...[Details]
Anyone who has driven a pure electric vehicle will find that it starts much faster than a fuel vehicle. So why do pure electric vehicles start so quickly?
We all know that an engine's to...[Details]
What is the difference in response time when the output uses cyclic refresh and direct refresh?
The time required from when the PLC receives an input signal to when the PLC outputs a con...[Details]
The functions are still useless. When will it be able to be clearly distinguished from smartphones?
Most consumers categorize their smartwatch purchases as a desire to try something new. A sig...[Details]
1. One-way starting control circuit
1. Circuit operation analysis
1) Close the power switch QS and press the start button SB2. The contactor coil KM is energized, the normally open ...[Details]
The suspension of a car is related to the comfort of driving, and it will also have a direct impact on the vehicle's performance indicators. Both fuel vehicles and electric vehicles use the suspens...[Details]
Recently, a friend asked in the background: the recently released Yangwang U8L uses the RoboSense M1P, a long-range LiDAR, for its lateral LiDAR, while the Zunjie Wenjie series uses a TOF solid-sta...[Details]
Once the half-year data on power batteries came out, the situation became clearer.
According to the latest data from South Korean research firm SNE Research, global installed capacity of...[Details]
Gartner, a business and technology insights company, recently released its Hype Cycle for Artificial Intelligence (AI) through 2025, which shows that AI agents and AI-ready data are currently the t...[Details]
On August 8, AB Dynamics launched ClearTrack, a fully integrated object detection system for testing unmanned robot-controlled vehicles. The system was jointly developed with its sister company ABD...[Details]
LCD projectors are high-tech products resulting from the development of liquid crystal technology, lighting technology, and integrated circuits. Their key technology lies in the manufacture of li...[Details]
PCB Design
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