The E840-DTU I requested has finally arrived. Let’s take a look at this:Since DTU only has one host, you need to equip yourself with a SIM card, antenna, 8-28V DC power supply, and 485/232 to TTL befo...
[align=left][color=rgb(51, 51, 51)][font=-apple-system-font, BlinkMacSystemFont, "][size=17px]I believe that many people in the 3D printing industry have seen this logo: DLP. Yes, the word DLP is a tr...
Disconnection detectionThe function of disconnection detection or no-load detection needs to be implementedThe implementation principle: By detecting the voltage drop of the input resistor of the char...
[i=s]This post was last edited by jinglixixi on 2020-10-13 21:52[/i]As mentioned before, CH579M has 4 independent UARTs, which can be used to enhance the system's functionality. Here is another way to...
The first charge of the apcups power supply is called initial charge, which has a great impact on the service life and charge capacity of the apcups power supply. If the charge is insufficient, the c...[Details]
On November 3, news came from Yecheng County, Kashgar, Xinjiang, that the company's 125MW/500MWh electrochemical energy storage system, used in the first market-oriented photovoltaic grid-connected...[Details]
Google is expected to officially release the Pixel 4a, the most powerful new Android single-camera phone, in the next few weeks. This is the sequel to the Pixel 3a and the latest mid-range ben...[Details]
If you have never encountered a grounding problem, you are definitely not an EE! Grounding is very important in both R&D and testing. Poor grounding may not only lead to incorrect measurements, but ma...[Details]
Today, Lu Weibing, President of Xiaomi Group China and General Manager of Redmi Brand, asked Mi fans: Should Redmi make a K50 SE version? A Mi fan replied: "Actually, it is not necessary. The st...[Details]
introduction This paper mainly studies the problem of voltage sag control. For sensitive load equipment with rectifier inverter structure, this paper proposes a DC dynamic voltage restorer (Dynam...[Details]
The theory and design method of analog filters based on Laplace transform have been developed quite maturely, and there are several typical filters for people to choose from, such as Butterworth fi...[Details]
(1) In
the switching power supply
, the components and wires that can constitute the radiation interference source can be assumed to be antennas, so as to use the electric dipole and magnetic d...[Details]
IT Home June 10 news, earlier this week, the first beta version of iOS 16 was made available to developers, and we now know more about some of its new features, including a customizable lock screen a...[Details]
A closer look at the long-dormant autonomous driving industry reveals that the landscape is now beginning to show signs of competition. A report at the end of June revealed clues. It is reported th...[Details]
The Beijing International Wind Energy Conference and Exhibition (CWP) will be grandly opened at the China International Exhibition Center (New Hall) from October 22 to 24, 2019. As a global leading s...[Details]
Dealing with noise and electromagnetic interference (EMI) is an inevitable challenge in any high-speed digital circuit design. Digital signal processing (DSP) systems that process audio, video and ...[Details]
According to a report released by Changsha, the Changsha Sanan third-generation semiconductor project did not stop during the long holiday. Among them, the C2 integrated power station, the main auxil...[Details]
1 Basic concept of motor electromagnetic force
When the motor is running, there are three types of electromagnetic forces inside it, namely Maxwell tension, Lorentz force and magnetostrictive ...[Details]
On October 24, CATL launched the world's first pure electric hybrid battery with a range of more than 400 kilometers and 4C supercharging capability in Beijing - the CATL Xiaoyao Super Hybrid Batte...[Details]
Analog electronics
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