I am a beginner and do not know EVC. I wrote a program to make a phone call, but for some reason, it works fine the first time I run it. The call goes through (it is a specific protocol, so it is diff...
This paper introduces an electrical fire monitoring system, which is mainly composed of electrical fire detectors and electrical fire monitoring equipment. The detector uses microcomputer AC sampling ...
Let me first introduce my company. Our company is mainly engaged in the research and development and production of military products, mainly radios.Of course, overtime can be divided into R&D overtime...
Now I have a 51 MCU development board, a gprs and a gps module. I store the GPS data in xdata. How can I use AT commands to retrieve the data and achieve two-way communication with the mobile phone? F...
ADI has launched online purchase service! I tried the process and it is quite simple, but it is suitable for company purchases! It is really not suitable for small individuals, the cost is too high!...
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]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[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]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[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]
0 Introduction
PROFIBUS is an open digital communication system with a wide range of applications, which has been included in the international standards IEC 61158 and IEC 61784. Since the gen...[Details]
1 Introduction
With the rapid development of my country's economy, the country has introduced a series of policies such as preferential policies, subsidy policies, and old-for-new policies, wh...[Details]
Improving the coordination of material handling and internal transportation between departments in modern factories is an important measure to achieve full automation of production. Traditional mat...[Details]
Introduction
Every year, cars are equipped with more complex electronic systems to maximize comfort, safety, and performance while minimizing harmful emissions. According to market resea...[Details]
1 Introduction
With the rapid development of the national economy, AC motors have played an extremely important role in industrial production. As the main traction motor in various industries,...[Details]
The construction of voltage and current feedback amplifier application circuits is generally the same, except for a few key points.
Current feedback amplifiers have higher sl...[Details]
Embedded System
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