This question is related to socket. When I call sendto() during multicast, the return value is ERROR. I use perror() to get the following information: : errorno = 0x41. : errorno = 0xd0003. Does anyon...
[i=s]This post was last edited by Feihong Haojie on 2019-11-14 17:58[/i]I found the above picture when I was looking for the absolute value circuit, and then I fell into deep thought.
The op amp input...
The Feige air conditioner at home was bought in 2000. It is still in use after 15 years. Some parts of the outer casing are rusted through (it is also related to the bad air quality in the local indus...
The key is to be cheap and useful. I plan to use it for voice recognition, to be able to recognize human voices, and to be able to recognize the voices of different people. The one that is probably to...
Is it programming SCSI or mainly programming PCI? PCI supports up to a 16MB serial EEPROM. Are all the programs written stored in this memory? This is done without an operating system....
I want to sample the AC current and use ACS712, but my senior said it cannot be isolated. However, I feel it can be isolated after reading its data. So, I want to ask the experts here, can ACS712 be i...
introduction
1 The significance of using RTOS on MSP430
It is understandable that it is meaningless to use RTOS on MSP430. Because the hardware resources of MSP430 are limited (for exampl...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
Embedded System
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