The lower computer mainly outputs 1mA constant current to AIN5, but I don't know why the output current is inaccurate. When it is within 200uA, the actual measurement is very accurate, but when it exc...
I use STM32 to read external RTC (8025), IIC communication, the host sends 0x64, and then starts to read. Through the oscilloscope, the data I send is correct, 0x64 + read flag = the data sent should ...
When using stm32F407 + lwip-1.3.1 communication without an operating system, suddenly the return value of udp sending data is always = ERR_IF; This ERR_IF is explained by an error in the underlying ne...
[font="][size=11.0pt]Almost every embedded device has a debugging serial port. In some scenarios, it is inconvenient to connect to the PC with a physical cable, and a wireless connection is required. ...
I am planning now,,, basically considering Beijing, Chengdu, Chongqing, Hunan,,, I am a Shanghai native,,,,,,,,, I have a house in Shanghai,,,,,,,,,...
We have a WinCE platform with Hive registry. Customers use the installation package to install software on the platform. During the installation process, the registry will be written, the relevant fil...
Maximize instrument utilization and reduce
test times
Increasing the throughput of automated test systems can improve efficiency. Using off-the-shelf tools (COTS) such as multicore proc...[Details]
Obtaining real-time and reliable traffic information has always been a bottleneck problem in the development of intelligent transportation systems. The establishment of an intelligent transportatio...[Details]
0 Introduction to the direct method of feedback linearization based on dynamic equilibrium state theory
The basic idea of the direct method of feedback linearization based on dynamic equilib...[Details]
0 Introduction
SAA7111 is a programmable video processor produced by Philips. The chip integrates A/D and decoding functions. It has phase lock, automatic clamp, automatic gain control, cl...[Details]
Compared with traditional light sources, light-emitting diodes (LEDs) have many advantages, such as low operating voltage, high energy efficiency, small size and directional light. They can provide...[Details]
introduction
The fall detector is suitable for elderly people and children with poor self-care and self-protection abilities. It senses changes in the body posture of the individual wearing th...[Details]
Anyone who has owned a laptop computer will have noticed that when running on battery power, their portable device behaves differently than when running on AC mains power—the display dims, the proc...[Details]
Battery system architecture
For many years, nickel-cadmium batteries and later nickel-metal hydride battery technology have dominated the market. Lithium batteries have only entered ...[Details]
The discipline of HHCE (Home Health Care Engineering) is gradually entering people's lives as people pay more attention to health and telemedicine develops. It advocates the concept of "seeking m...[Details]
In the WTK22wtklibdevicesDefaultColorPhoneDefaultColorPhone.properties file in the WTK directory, there is a line touch_screen=false. Change it to true.
MIDP2.0 has three touch screen methods:...[Details]
Nowadays, video conferencing has become a situation where multiple manufacturers supply various high-definition products. The technology of high-definition products has greatly matured, the cost h...[Details]
With the continuous development of digital television, the demand for high-definition is imperative. H.264, as a new generation of compression standard, has a more complete algorithm than MPEG-2, ...[Details]
1. Introduction
The current information age is an era built on the basis of the network. IP networks based on TCP/IP protocols, such as Internet, Intranet and Extranet, are developing with...[Details]
Femtocell base stations are required to meet stringent requirements in terms of interference, compatibility testing between mobile devices and networks (such as ad hoc networks, handovers), and mee...[Details]
1.AVI
The full name in English is: Audio Video Interleaved. People are very familiar with the AVI format, which is also very common in daily life, and the video quality is also very good. ...[Details]