Detailed explanation of the schematic diagram of each part of the flyback switching power supply UC3842 protection circuit
How to suppress IGBT collector overvoltage spike
How to suppress the output r...
[p=24, null, left][font=微软雅黑][size=3]Today, the news of a DJI employee's sudden death has dominated the screen, but this is not a big news. [/size][/font][/p][p=24, null, left][font=微软雅黑][size=3][/siz...
When we complete the design of the power supply solution and wait for the samples to be made, we need to test the various performances of the product. One of them is to test the conversion efficiency ...
[i=s] This post was last edited by 18379433374 on 2018-11-8 11:39 [/i] [postbg]bg3.png[/postbg][align=left][font=宋体][size=5][b]1. Introduction to MP2303: [/b][/size][/font][/align][align=left][font=宋体...
[i=s]This post was last edited by philips_lu on 2021-3-7 00:25[/i]This is a post that I was planning to start before the New Year, but with two kids and all sorts of messes I've put it aside until now...
[backcolor=white][size=4] The precision of floating point numbers is determined by the number of digits in the mantissa. Most numbers will have errors when expressed as floating point numbers. These e...
Currently, new air conditioners use two main low voltage outputs to power internal electronics. The low voltages of these two main outputs are +12V and +5V respectively. The low output voltage is gene...[Details]
During the 818 summer shopping season, Smartisan Mall offers a discount of up to 700 yuan for mobile phone purchases, and benefits such as 12 interest-free installments. The original price of ...[Details]
Generally, SPI is used with MASTER, but SLAVE has never been used. I referred to the example of ST and found that it could not meet my needs. So I modified it myself. Initialize configuration SPI ...[Details]
When uploading a program using ttl, be sure to disconnect GND first, and then connect GND after the program is uploaded. Automatic (Software) Reset Rather then requiring a physical press of the...[Details]
With the development of social productivity and the increasing prosperity of the market economy, especially after my country joined the World Trade Organization, my country's electroplating industr...[Details]
First of all, we complete relevant insulation tests on the current high-voltage generators and generators to ensure the normal operation of the power transmission equipment, which will prevent leakag...[Details]
1 Overview
近年来，LED照明技术快速发展，在LED的光效、色温、显色性等光色指标备受关注的同时，LED的热学特性和寿命也越来越受到人们的重视，特别是热学特性，对LED光色电的性能和寿命有着显著的影响。然而，对热学特性和寿命的检测具有挑战性。
The thermal characteristics of LED mainly includ...[Details]
Our last article "Stellantis sells Dongfeng with its left hand and buys Zero Run with its right hand" tells the story that mass economical foreign brands are already trembling in China, and each is t...[Details]
The Chinese
robotics
market has made tremendous progress in the past decade and has become one of the largest and fastest growing robotics markets in the world.
In 2022, China's
...[Details]
LED street lights are a very important application in LED lighting . Under the premise of energy saving and power saving, the trend of LED street lights replacing traditional street lights is bec...[Details]
my country's lithium-ion battery (hereinafter referred to as "lithium battery") industry continued to grow in July and August 2023. According to the information of lithium battery industry standard...[Details]
Dong Mingzhu was successfully re-elected as the chairman of Gree. In a recent interview with CCTV, Dong Mingzhu said that when she was elected as a director, she was confident that her votes would be...[Details]
Use an insulation resistance meter and select an appropriate voltage level. Before testing, all equipment should be powered off and fully discharged. The equipment under test should be wiped clea...[Details]
A spectrum analyzer is a measuring instrument used to measure the relationship between the amplitude and frequency of a radio frequency signal, usually used for frequency domain measurement. The inst...[Details]
1. Demand Analysis in the Banking Field:
Banks are key national security units engaged in financial business, and vaults are important places for directly storing large amounts of cash, secur...[Details]
Power technology
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