What I read is different every time. How can this happen? I downloaded it from DDK. No other places have been changed. I just added a piece of code in FilterDispatchPnp to get the device descriptor. B...
The first is the declaration of the semaphore: char *UARTRxBuf = "1234567890123456"; OS_EVENT *UARTRX; OS_EVENT *UARTSend; char *UARTBuf = "1234567890123456"; Initialization of the semaphore: static v...
After installing PB, there will be folders such as public, private, platform, and pbworkspaces in the WINCE500 folder. It is easy to find what files are stored in these directories in books about WINC...
I want to read the content of the software dog in the kernel state. I have used it before and it was called by the application. I don't know if it can be called in the kernel layer? Can anyone tell me...
Let me talk about the requirements first. I want to draw some of the data I collected into a curve and display it on the LCD. This is very simple and I can do it. But at the same time, I want to store...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:04[/i] [color=#000000]Loongson Technology, a Chinese processor chip designer, has begun to provide samples of its first commercial micr...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]
In some motion control systems with simple control or low cost requirements, stepper motors are often used as actuators. The biggest advantage of stepper motors in such applications is that they ca...[Details]