Battery test equipment is used to verify the functionality and performance of battery packs prior to shipment to customers. This technical note outlines the three main functional tests performed by ba...
1. Unit gain bandwidth GBUnit gain bandwidth is defined as: when the closed-loop gain of the op amp is 1, a constant amplitude sinusoidal small signal is input to the input of the op amp, and the clos...
In the program of the MM32 eMiniBoard development board, there are related functions of Systick. By combining it with the OLED screen, a second timer can be realized, and its running effect is shown i...
The source program is as follows: /* * main.c * * Created on: August 18, 2018* Author: LYJCD */ //################################################################################### // // FILE: Exampl...
Reprinted from: "Using Python to control hardware 46-low voltage startup and reliability testing"During the product development phase, it is sometimes necessary to understand whether the device can st...
According to foreign media reports, Blue World Technologies (BWT), a Danish methanol fuel cell system developer, has acquired a 15% stake in Danish Power Systems and will use the company's technology...[Details]
The 77th China Educational Equipment Exhibition was held in Qingdao recently, and Intel held the 2019 Intel Smart Education Summit at the exhibition. At the meeting, Intel released the "Intel Educati...[Details]
This week, Google released Android 11 Beta 3, a month after Beta 2.5. According to Google's arrangement, Beta 3 will be the last beta version, and the next one to be pushed will be the offi...[Details]
There are many ways to measure temperature. The simplest method is to insert a temperature probe into the device under test (DUT) to measure the temperature at that point in time. What if you want to...[Details]
This Huawei mate8 was bought for my father, and he has been using it for more than three years. Recently, my father has been complaining that the phone appears to have 50% power after being fully...[Details]
Linhuai Substation of Bengbu Power Supply Company is an old substation with a history of 40 years. In May 2011, it carried out the last comprehensive automation transformation of the interval - the...[Details]
In an interview with China Central Radio and Television at Huawei's headquarters, Ren Zhengfei said that the US "physical control" of Huawei will not have any impact on Huawei. He also emphasiz...[Details]
There are obvious differences between smart manufacturing and artificial intelligence in terms of definition, technical composition, application areas and development focus.
definition
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On October 30, the world's first ultra-fast charging power battery professional factory was completed and put into production at the Nansha headquarters base of Guangzhou Juwan Technology Research Co....[Details]
Recently, the 27th Conference of the Parties to the United Nations Framework Convention on Climate Change (COP27) was held at the Sharm el-Sheikh International Conference Center in Egypt. During th...[Details]
LED is a semiconductor component, the core of which is a chip composed of p-type and n-type semiconductors. There is a transition layer between the p-type semiconductor and the n-type semiconductor...[Details]
Source meter, SMU (Source Measure Unit) power supply/measurement unit, "source" refers to voltage source and current source, "meter" refers to measurement meter, "source meter" refers to a measuring ...[Details]
The working principle of frequency selective amplifier and the frequency characteristics of double T bridge
The frequency selective amplifier selects a desired frequency signal from a var...[Details]
Depending on the capacity of the electrolytic capacitor, the R×10, R×100, and R×1K ranges of the multimeter are usually used for testing and judgment. The red and black test leads are connected to the...[Details]
Intelligent soft start cabinet is an electrical equipment widely used in the industrial field. It controls the starting current of the motor to achieve soft start and soft stop of the motor, thereb...[Details]
Analogue and Mixed Signal
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