[size=6][backcolor=rgb(214, 239, 255)] Looking for embedded talents working in Beijing, with fixed spare time, wanting to do some meaningful electronic product development activities, willing to devel...
[align=left]Introduction to transformer CCM design (DCM is simpler and will not be introduced here)[/align][p=25, null, left]CCM is the abbreviation of continuous inductor current mode. Flyback transf...
[url=https://bbs.eeworld.com.cn/thread-80095-1-1.html]https://bbs.eeworld.com.cn/thread-80095-1-1.html[/url] [[i] This post was last edited by hhy on 2009-7-15 16:40[/i]]...
Circuit working principle: The automobile electronic fuel economizer circuit is composed of diodes VDl-VD6, resistors Rl-R8, capacitors Cl, C2, transistors Vl-V3 and solenoid valve YV, as shown in the...
Here’s a photo of the soldering iron I got from the event. This is my second soldering iron. Although its power is smaller, it is very practical for soldering circuits....
Ever since I saw Uncle T's powerful collection of electronic materials, I have always wanted to say a few words, using some elegant and humorous sentences to describe a more comprehensive Uncle T. Lat...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[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]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[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]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[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]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
DCDC means DC to DC (conversion of different DC power values). Anything that meets this definition can be called a DCDC converter. Specifically, it means converting the input DC into AC through a s...[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]
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]
This paper describes the design method of electronic multifunctional watt-hour meter, the key technology of hardware design and the software design process. Taking NEC's μPD78F0338 microcontroller ...[Details]
The principles to be followed are as follows:
(1) In terms of component layout, related components should be placed as close as possible. For example, clock generators, crystal oscillat...[Details]