The first "World Engineering Day" celebration ceremony will be held at the UNESCO Headquarters in Paris, France on March 4, 2020.
In order to better understand the current status of engineers' work an...
:Sad: Cry some tears and drink some water. The water supply has been cut off three times in the past 10 days. In recent years, there have been droughts. I have gone from being in a rainy area (it rain...
The idea of 37 sensors and modules is widely circulated on the Internet. In fact, there are definitely more than 37 sensor modules that Arduino is compatible with. In view of the fact that I have accu...
Comic: The Principle of Antenna
Mobile 5G device antenna tuning revealed
How much do you know about 5G antennas?
How were antennas invented?
[Practical Tips!] How to choose an antenna? Remember these ...
Hello everyone, I work in the inverter industry, my main job is DSP development, and I have been in the industry for less than a year.
I have recently encountered some problems at work and there is no...
More than two decades ago, engineers working on RF circuits envisioned an “ideal switch.” These switches would have ultra-low resistance when “on” and ultra-high resistance when “off.” They would also...
In the control circuit of
modern
switching power supplies
,
the oscillator
It plays an important role in
analog circuits
and signal processing. In most cases, its operating freq...[Details]
This program measures the PWM high level time and cycle through two timers and one external interrupt, calculates and displays the duty cycle high level time in 1602. The data can be measured by simp...[Details]
Flying drones have been a hot topic in recent years, from aerial photography in the beginning to drone lighting, drone ranging, drone New Year greetings, and all kinds of fancy things. Recently, Ko...[Details]
High resistance measurements are an integral part of many test applications, including surface resistance (SIR) testing of printed circuit boards, resistivity measurements of insulating materials and ...[Details]
Intelligent networked vehicles are an organic combination of Internet of Vehicles and smart cars. That is, by carrying advanced sensors, controllers, actuators and other devices, using new technologi...[Details]
I often see people asking on Weibo, what is the one thing they must bring with them when they go out? Almost everyone answers that it is their cell phone. Looking back at the evolution of mobile phon...[Details]
The detector is widely used in on-site detection in petrochemical, coal, metallurgy, chemical, municipal gas, environmental monitoring and other places. It can meet the measurement needs of special o...[Details]
Abstract: After introducing the charging process of lithium-ion batteries and its demanding requirements, a low-cost, safe and effective single-cell lithium-ion charger solution is introduced, an...[Details]
With the rapid development of the automobile industry, consumers have higher and higher requirements for automobile safety, performance and comfort. In order to meet these needs, automobile manufac...[Details]
In many op amp circuits, the DC bias supply affects the performance of the op amp, especially when used with high-bit count analog-to-digital converters (ADCs) or for signal conditioning in se...[Details]
Li Jianlin, Niu Meng, Zhou Xichao, Xiu Xiaoqing, and Zhou Jinghua, researchers from Beijing Frequency Conversion Technology Engineering Research Center (North China University of Technology), State...[Details]
The reporter sent back news from Shenzhen that the Growatt series three-phase inverters of Growatt New Energy Co., Ltd., the largest photovoltaic inverter manufacturer in China, have been used in m...[Details]
Introduction
The geomagnetic field is the basic physical field of the earth system. People have used geomagnetic information for navigation since ancient times. The geomagnetic field provi...[Details]
Electronic rearview mirror (Camera Monitor Systems, CMS) is a system composed of cameras and monitors. It is necessary to see the rear and side vision of the vehicle clearly within the specified fiel...[Details]
Recently, at RE+, the largest clean energy exhibition in North America, Haibosic has reached a breakthrough cooperation with a number of global partners including energy storage system integrators,...[Details]
Integrated technical exchanges
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