1. The above picture shows that I am making a 2000W half-bridge power supply. The PWM wave output by DSP. Is the waveform correct? How does the duty cycle change and what should I pay attention to? [/...
Support this book. This book is a training material for Huaqing Yuanjian Embedded Training Center and can be purchased in bookstores. The other chapters of the electronic version will be produced and ...
[i=s]This post was last edited by chenzhufly on 2015-3-23 21:49[/i] [align=center][size=3][b]Author: chenzhufly QQ: 36886052[/b][/size][/align] [size=3][color=#000000][b]Hardware platform:[/b]Embest S...
Hello, analog electronics experts, I am here to bother you again. Figure 1 below is an RLC oscillation circuit. Switch S2 is turned on at 5A current, the on time is 20us, and the rest of the time is i...
28335 can be debugged with the original sample program, but since the project also uses USB flash drive to expand storage, the segment .ebss must be large enough. In the USB flash drive, segment .ebss...
After replacing the 128MSDRAM, the system finally started up. Now the problem is that the SD card cannot be recognized. I read online that since the Microsoft SD card driver is not open source, the vi...
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
In recent years, with the increasing maturity of LED technology, LED light sources have been increasingly widely used due to their advantages of using low-voltage power supply, low energy consumpti...[Details]
1 Introduction
At present, people have higher and higher requirements for the quality of life. When people are busy with work, soymilk machine is a new type of household beverage machine. It uses so...[Details]
introduction
The air compressor unit in the operating area of a lead-zinc mine in Guangdong is a key equipment in mining production. There are six imported Ingersoll Rand CENTAC air compress...[Details]
1. Project Introduction
Beijing Benz-Daimler Chrysler Co., Ltd. is a joint venture between Beijing BAIC Group and Benz-Daimler Chrysler. In October 2005, it started to build a new automobile ...[Details]
1 Introduction
The function of the material transport vehicle is to lift the mixed finished materials into the finished material storage bin. In the early mixing equipment, the material transpo...[Details]
At present, products in the field of monitoring generally focus on the field level, that is, the client/server (C/S) model is adopted, the purpose of which is to ensure the stability and reliability o...[Details]
Any power system that operates from an AC source has an associated power factor, which is defined as the way it draws current from the AC source. The power factor of an AC power system is defined a...[Details]
1. Introduction
Industrial fieldbus technology is one of the technologies that has received the most attention in the automation industry in recent years, and it has brought a qualitative leap...[Details]
Typically, buck regulators are designed for continuous mode operation, which simplifies output voltage calculations and system design. However, if the system is non-synchronous and required to oper...[Details]
1. Explanation of some common English abbreviations in ARM
MSB: most significant bit;
LSB: least significant bit;
AHB: Advanced High-Performance Bus;
VPB: VLSI peripheral bus th...[Details]