120NQ040-1

How to identify the positive and negative poles of packaged LEDs During the welding process of LED energy-saving lamps, we often encounter the problem of how to identify the positive...[Details]

Recently, the 5MW/10MWh industrial and commercial energy storage power station project of Jingshan Park in Yangzhou Base of JA Solar was successfully connected to the grid and put into operatio...[Details]

In 2019, my country's home appliance exports amounted to US$77.77 billion, up 3.5% from the same period last year, and the export scale has increased for three consecutive years. However, the current...[Details]

A single-phase motor has only one winding and a squirrel cage rotor. When a single-phase sinusoidal current is passed through the stator winding, the motor will generate an alternating magnetic fie...[Details]

It is not uncommon to want to measure the Q factor of a resonator. It may be necessary to determine its suitability for use in coupled resonant filters, or to evaluate the performance of RFID tags. T...[Details]

Circuit example of complete single-ended 75Ω input impedance to differential output, 2.5V input to 1.25V differential common mode level shifting, and single-ended to differential gain = 2 with extern...[Details]

On September 25, 2023, China Southern Power Grid Energy Storage Co., Ltd. (hereinafter referred to as the "Company", Party B) signed the "Cooperation Agreement on Promoting the Lijiang Yongsheng Pu...[Details]

　    On March 24, it was reported that foreign whistleblower Jon Prosser shaved off his eyebrows due to a wrong prediction. 　　Jon Prosser has always been known for his accurate revelations. Earlier, ...[Details]

Most of my friends will use the following excerpt "Porting Java Virtual Machine to mini2440" http://www.linuxidc.com/Linux/2011-08/41912.htm as a reference, but there are several errors in it: ...[Details]

　　In many cases, when the timer/counter is often used for other purposes or cannot be implemented, the only way to delay is by software, for example, the delay exceeds the maximum value of the timer ...[Details]

Researchers at North Carolina State University recently combined the carbon coating process with the carbon nanotube network architecture to improve the stability of silicon anode materials in lith...[Details]

When many people hear the word "robot", words such as "cool appearance", "powerful functions" and "high-end" come to mind, and they think that robots are as high-end and cool as the "Terminator" in...[Details]

Radar is the abbreviation and transliteration of "Radio Detection and Ranging". It transmits electromagnetic energy into space in a directional manner. By receiving the radio waves reflected by objec...[Details]

　　1. Introduction 　　In recent years, data acquisition and its application have received more and more attention, and data acquisition systems have also developed rapidly. It can be widely used in v...[Details]

Hello everyone, I am Liang Xu. I originally didn’t want to write about this, but someone asks this question every day in the live broadcast room. At the peak, 3 people asked it in one mi...[Details]