On Sunday, local time on the 13th, US President Trump suddenly sent a tweet saying that he was trying to help Chinese mobile phone manufacturer ZTE return to the market. A few days ago, ZTE just said ...
First experience [url=https://bbs.eeworld.com.cn/thread-487836-1-1.html]https://bbs.eeworld.com.cn/thread-487836-1-1.html[/url] [size=4]There has been a little progress in the past two weeks, update, ...
[align=center][size=5][font=宋体]Recommendation of Classic Materials on Software Testing (V)[/font][font=Times New Roman]---[/font][/size][font=SimSun, Arial][size=5][color=#000000][b]Google Software Te...
[size=4]I have two boosters, one 4kV and the other 50kV. Unfortunately, the high voltage one didn't work at all until the hoist was already discharged and ignited. I guess it was an AC high voltage. A...
rt. I know that PDA with GPS function has operating system and many other softwares, and I can make my own softwares and then transplant them to PDA for use. But the car GPS navigator, such as Shinco ...
I think the term slew rate is something I have only heard of in recent years. Maybe I haven’t been exposed to such a deep understanding of it before. So I haven’t heard of it.
It is defined as the rat...
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]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[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]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[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]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[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]
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[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]
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]
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]
1 Introduction
At present, advocating health has become the focus of people's attention, and the emergence of treadmills has become more and more popular. People can exercise at home or in the ...[Details]