[font=楷体_GB2312][size=4]There is an application that requires a DPDT relay with a contact capacity of DC60V35A, but I have been looking for a suitable one for a long time. I wonder if anyone has used ...
Does anyone have the English version of the installation package for multisim? I need it urgently! ! ! ! No matter which version it is, I looked it up online and all of them are in Chinese. If you hav...
[font=微软雅黑] Yesterday I looked at the netizens who participated in the activity [url=https://bbs.eeworld.com.cn/forum.php?mod=viewthread&tid=437759&fromuid=476285]Your Phone, You Make Your Own Phone -...
This article mainly introduces the relevant information of electric vehicle batteries, and focuses on the charging problem of electric vehicle batteries. Electric vehicle batteries are the power sourc...
The simplest RC reset. Resistor 10K, capacitor 10uF. This board works perfectly fine with AT89S51. But when it is replaced with SST89C58, the power-on reset is extremely unreliable. It never resets su...
A multi-resonant DC/DC converter that is very suitable for working at ultra-high frequency is analyzed. All the switch tubes of the converter work in the ZVS state, and all the rectifier diodes work i...
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[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]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[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]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]
1 Introduction
Washing machines are an indispensable household appliance in the home, and they are developing very fast. Fully automatic washing machines are favored by everyone because of their con...[Details]