const char temp[]= "+CMGL: 2,\"REC READ\",\"+8613621246911\",,\"09/03/31,13:57:39+32\"Abcf";char *m,*n;char num[12];m=strstr(temp,"+86");n=strstr(temp,"\",,\"") ;for(l=0;lI tried it for you and it see...
How do I set these parameters? When s3c2440 starts up, the first 4KB of the flash is copied to an internal RAM called steppingstone. This RAM is mapped to 0x0, so -entry should be 0x0. And because ban...
include
#define uchar unsigned char sbit LED=P1^0; uchar n; void main() { n++; if(n=50) {n=0; LED=!LED; } } There are 2 worings. I don’t know where I am wrong. Please tell me. Here are the warnings: B...
The so-called PLC refers to programmable controller. PLC is widely used in the field of industrial control, and its convenience is self-evident to those who are slightly knowledgeable. The task of PLC...
The F2812 has an internal integrated ADC conversion module. This module is a 12-bit, pipelined analog-to-digital converter with a built-in dual sample-and-hold (S/H) and can select 16-channel inputs i...
Embedded Systems and Experiments Xiamen University : https://training.eeworld.com.cn/course/5444This course is a core basic course for the major of electronic information science and technology, and i...
There are many different ways of human-computer interaction. The more common ones are listed below:
Mouse interaction: Using a mouse to operate a computer and interact was the most common human...[Details]
Some time ago, I attended the 4th Energy Chemistry Forum of the Chinese Chemical Society and learned about high-energy-density and high-safety batteries. I would like to summarize and share this wi...[Details]
To understand why car engines need gearboxes, we must first understand the characteristics of different types of engines. An engine refers to a machine that can convert a form of energy into kineti...[Details]
As time goes by, people are increasingly concerned about their own and their families' health. However, existing monitoring devices for individual vital signs have struggled to gain market share du...[Details]
Common Mode Semiconductor has officially released its latest generation of power management ICs—the GM6506 series. This fully integrated high-frequency synchronous rectification step-down p...[Details]
Since the beginning of this year, price wars have intensified, new models have been launched one after another, used cars with zero kilometers have become a hot topic, and the industry's internal c...[Details]
As the scale and business applications of national e-government networks continue to expand, the data and services transmitted over them are becoming increasingly sensitive and critical. To protect...[Details]
In June 2014, the Ministry of Industry and Information Technology issued 4G FD-LTE licenses to China Unicom and China Telecom. Together with the 4G TD-LTE licenses issued to China Mobile, China Uni...[Details]
While the current industry consensus is that autonomous vehicles are robots and that their systems are managed using robotics-developed thinking, there are also cases where autonomous driving is ac...[Details]
With the rapid development of electric vehicles in my country, people are beginning to pay attention to the issue of radiation from electric vehicles. We all know that mobile phones emit radiation,...[Details]
Normally, we determine our location and where we want to go by comparing our surroundings with observation and simple GPS tools. However, this kind of reasoning is very difficult for self-driving c...[Details]
Learned the following information.
Customer product: industrial computer motherboard
Glue application area: CPU/BGA filling
Glue color requirements: black or t...[Details]
A human-machine interface (HMI) refers to the platform used by people to operate a PLC. This platform provides an interface between programs and humans, serving as a medium for information transmis...[Details]
Analog Devices held a third-quarter fiscal 2025 earnings conference call. Vincent T. Roche, CEO and Chairman of the Board, and Richard C. Puccio, Executive Vice President and Chief Financial Office...[Details]
introduction
In today's busy society, people experience chronic high stress, which in turn poses a significant threat to our health. Therefore, effectively relieving stress has become a pr...[Details]