Is the price of a crystal oscillator generally around RMB 1.00? Some time ago, I encountered an 8M ceramic oscillator, and the supplier quoted a price of 11 yuan. I wonder what the reason is?...
Personal information: I graduated from a computer science degree and have been engaged in embedded development for three years. I am familiar with Linux, UCOS, ARM, etc. Based on the principle of tran...
The speed of SPI is set to a certain value, and the minimum is about 72M/256=300k. I want a speed of tens of K. Can any expert help me give me an answer? Can the speed of SPI be set to any value?...
I would like to recommend a [b]free[/b] PCB design software: KICAD. It can make up to 32 layers of boards, and the PCB can be viewed in 3D. It is simple and easy to use. It can generate gerber files w...
I want to add a constant string after a string defined by LPTSTR. How can I do this? The code I want to implement is as follows: LPTSTR dialno; GetDlgItemTextW(IDC_EDIT_NO,dialno,MAXLENGTH-1); dialno ...
Yesterday, a sophomore junior told me about the knowledge of capacitors. I was very inspired after listening to it. I found that I had to go through so many learning paths because of my ignorance of c...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
My colleague and I spent the day chatting in the hotel bar. We had met with several customers. We were both wondering how come these engineers we were meeting knew almost nothing about analog techn...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
In the analysis of electronic circuits, static analysis (also known as DC analysis) is the basis of circuit analysis. However, it is well known that electronic components are nonlinear, so the anal...[Details]
RS-422 and RS-485 are both serial data interface standards, which were developed and published by the Electronic Industries Association (EIA). RS-422 defines a balanced communication interface with a ...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
Describe how to meet the challenges of complexity with a modern wiring design toolset. Option codes and expressions can simulate the variables of an automotive project. A full-featured tool suite c...[Details]