It used to work fine before, but I don't know since when, all the multi-layer pads in the PCB library became FULL STACK, resulting in a pad on the top layer and a hole on the bottom layer.
I checked o...
When designing a PCB (printed circuit board), one of the most basic issues to consider is how many wiring layers, ground planes, and power planes are needed to achieve the required functions of the ci...
We all know that projects that are not connected to the Internet often no longer exist in today's smart home industry, so we must first configure the network for the development board.
The specific pr...
Node voltage calculation【（V1-Vin-）/600】=【（Vin--V2)(600+10.2)】
【（V1-Vin+）/(600+10.2)】=【（Vin+-V2）/600】
By finding the values of Vin- and Vin+ respectively, we can get the sum of Vin- and Vin+,provided t...
Participate in the new board, dog boardAt present, this is the first board of artificial intelligence. It is a development board focusing on AI from TI, and it is also the only mass-produced developme...
Signal testing is very important for laser ranging or laser radar products. In principle, the flight time difference of the light beam is used for calculation. However, for high-power pump lasers, th...[Details]
Today's portable devices are becoming more and more versatile and power hungry, which poses a great challenge to the design of portable battery power supplies. However, with a better understanding of ...[Details]
Jiwei.com reported on January 21 that according to the website of the United States Patent and Trademark Office, Apple has applied for a patent for an "enhanced virtual display", which is expected to...[Details]
USE_STDPERIPH_DRIVER, STM32F10X_HD The English abbreviations of the startup files in the STM32 firmware library Libraries\CMSIS\Core\CM3\startup\arm mean: cl: interconnected product, stm32f105/107 s...[Details]
近日，欧司朗光电半导体对Oslon Compact PL和Oslon Black Flat S系列加以扩展，再添多个芯片版本的新产品。这些产品专为远光灯和近光灯解决方案设计，小巧紧凑的尺寸可带来出众的亮度值，能为车前灯带来更高性能和更多设计自由。随着Oslon Black Flat和Oslon Compact产品系列的性能实现显著提升，欧司朗不仅为未来数年的发展指明了方向，还指出了车前灯制造商能...[Details]
The STM32 clock block diagram is as follows: Important clocks: 1. HSI: High-speed internal clock signal The clock inside the STM32 microcontroller (8M frequency) has poor accuracy 2. HS...[Details]
In the field of artificial intelligence, the rapid development of () is constantly reshaping the way we live and work. However, this wave of change is also accompanied by deep concerns about data p...[Details]
On June 12, GigaDevice released an announcement on the reduction of shares by shareholders through centralized bidding, stating that the National Integrated Circuit Industry Investment Fund Co., Ltd....[Details]
In a newly built office building in the Science and Technology Park area of Nanshan District, Shenzhen, there is a seemingly inconspicuous mobile phone company. Let's follow the mobile phone hand...[Details]
Securities Times e-company news: Recently, there have been market rumors that the world-renowned open source chip foundation RISC-V has decided to change its registered place from the United States t...[Details]
About code efficiency
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The programming principles of the MSP430 series are conducive to improving code efficiency. It should be pointed out that these principles are basically propose...[Details]
At the early morning of September 11th, Beijing time, Apple launched Apple TV+ at the 2019 Fall New Product Conference. At the same time, Cook showed three trailers for Apple TV Plus, "Morning ...[Details]
On May 20, the State Council Information Office held a press conference, at which Miao Wei, Minister of Industry and Information Technology, pointed out that major industrial indicators rebounded in ...[Details]
On October 30, the "Unite and Work Together" meeting between the leaders of Beijing Puneng's shareholder units and all employees was successfully held in Beijing. Han Changan, Chairman of the Board of...[Details]
PCB Design
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