Reprinted from: https://zhuanlan.zhihu.com/p/407878981
Today I read a story about a Swedish programmer who, in just six months of his spare time, single-handedly built something that would take an ave...
In the design of PCB multi-layer boards, four-layer boards are generally used more. So, do you know what are the design rules of PCB four-layer boards?1. Design of four-layer board:(1) Uniform spacing...
Author: Huang Gang, member of YiBo Technology Expressway Mr.As an SI engineer, PCB design engineer, or even a hardware engineer and test engineer, calculating transmission line impedance is definitely...
The same pin, STM32 is set to input mode. The oscilloscope shows a high level, but the microcontroller pin reads a low level. Has anyone encountered the same phenomenon? What is the reason?...
//Example of using the serial port program of msp430f5529//--------------------------------------------- uart header file-------------------------------------------------------------//#ifndef UART_H_#...
The following is the installation guide of this software, but I don't understand how to operate many things. It's really because I'm too new to it. This software is used for laser plasma physics simul...
1. In the substrate, the pads of the DIE must be aligned with the direction of the binding wire, and the lead-out wires must also be aligned with the pads. For each DIE, a cross pad must be placed ...[Details]
You must have heard the term "artificial intelligence generated content (AIGC)" a lot recently. In the context of the accelerated integration of the current digital age and the physical world, AIGC...[Details]
Function: (set GPIO port direction), parameters (port number, bit, input or output (0 in 1 out)) GPIOSetDir( PORT0, 1, 0 ); GPIOSetValue() One is to set the port direction, the...[Details]
Solid-state drive (SSD) designers face many conflicting requirements when it comes to powering the drive. The first is the size of the power supply, which cannot increase the form factor of the SS...[Details]
Multi-chip packages (MCPs) have long met the need to pack more performance and features into smaller and smaller spaces. It is natural to want the memory MCP to be expanded to include ASICs such as ba...[Details]
If the resistance measurement accuracy is not high, we can use the ohm range of the multimeter to measure. Specific steps for measuring resistance: 1. Zero adjustment of the resistance block of the...[Details]
Matching sensor output and ADC input ranges can be difficult, especially when faced with the wide range of output voltage swings produced by today's sensors. This article provides simple yet high per...[Details]
On November 22, the Hainan Provincial Department of Industry and Information Technology issued the "Notice on Issuing Guiding Opinions on Further Improving the Recycling and Utilization...[Details]
Large zoom lenses are usually a type of camera lens that home users like very much. This type of lens is not too big or heavy, and the focal length generally ranges from wide angle to telephoto, whic...[Details]
1. Before and after using the Abbe refractometer and when changing samples, the working surface of the refracting prism system must be cleaned.
2. The Abbe refractometer should be placed in a dry...[Details]
According to the website of the Ministry of Commerce, on the afternoon of December 16, Vice Minister of Commerce and Deputy Representative for International Trade Negotiations Yu Jianhua and Minister...[Details]
#include
#include //My custom LCD1602 header file
/*---------------------------------------------------------------
24C32 can store 4K (1024*4) bytes (8bit), so the maximum addressing addres...[Details]
With the development of electronic technology, electromagnetic compatibility issues have become a very important and difficult problem for circuit design engineers. Based on years of engineering expe...[Details]
I locked several Mega16 chips with a shake of my hand, which cost dozens of dollars... It is necessary to build a high-voltage parallel programmer 1. Wiring method and port definition RDY/BSY busy ...[Details]