Prerequisite environment: AT91Rm9200 +S29Gl064A R6 SDRAM MT48LC16 Problem description: After starting from the internal rom, burn boot.bin and u-boot.bin.gz into flash. It can be burned normally, no p...
Recently my boss asked me to make a power board. I have been busy choosing the model in the past few days. My boss chose the model LMZ10503ext for me before, but later I found out that it is a militar...
I am an electrical engineer. I have been engaged in electrical engineering for more than ten years. Now I am not working and I am collecting rent at home. I want to work as a Z writer part-time, so I ...
Today I saw that the STM32F469/479 microcontroller is good, but I don’t know how to apply for a free sample. Is there anyone who has successfully applied for a sample from ST?...
How do you determine the phase of voltage and current?Output sine wave 0-50V, maximum output current within 25mA, output power 1.5W. Voltage signal VF0, current signal IF0, when VF0 and IF0 are in pha...
I use STC12LE5A60S2 microcontroller, which has 60K ROM and 1280 RAM. However, since I am making a communication processing software, there are many intermediate variables involved. Therefore, I have t...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[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]
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]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[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]
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]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
1. Introduction
Modern modular machine tools are equipped with a large number of electronic devices to meet the requirements of processing accuracy, processing speed, etc. If the conventional ...[Details]
Introduction
Temperature and humidity control are widely used in people's production and life. People use thermometers and hygrometers to collect temperature and humidity, and control temperatu...[Details]
Embedded System
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