I have been looking for the relationship between current and its induced field. I found the following relationship on the InternetQuestion 1: The first formula, B=(u0*I)/(2PI*x), where x is the perpen...
Source: https://blog.adacore.com/ada-on-a-featherThis article describes porting Ada on the Adafruit STM32 Feather development board.In the last couple of years, the maker community switched from AVR b...
The application of Internet of Things (IoT) in the electronics manufacturing industry has always been scattered and fragmented. The real meaning of IoT is to connect everything, not to create "self-su...
introduction At present, most audio signal processors are not only large in size but also expensive, and are difficult to be popularized in some special aspects. Embedded system analyzers are sma...[Details]
Noise is present in every electronic circuit and interferes with the signal sent from the transmitter to the receiver. Because these interferences can limit the overall performance of wireless system...[Details]
Q: In a recent RAQ, I mentioned current transformers. What are they and how are they used?
A: A current transformer is just a different use of an ordinary transformer. You can find it in textbook...[Details]
When users use electromagnetic flowmeters, alarms occasionally occur. The other party will naturally think that there is something wrong with the flowmeter. In fact, specific problems need to be anal...[Details]
As the trade war between Japan and South Korea intensifies, Japan has restricted the export of key high-purity hydrogen fluoride and other raw materials used in extreme ultraviolet light (EUV) to Sou...[Details]
Although there are many IC products, there are only a handful of ICs with a scale of over 100 billion yuan and sales of over 10 billion units, and MCU (microcontroller) is one of them. After all, fro...[Details]
1 Introduction
AC/DC and DC/DC converters are responsible for the conversion and transmission of system power. Their role in the system is equivalent to the human heart. Once a problem occurs, ...[Details]
1. If the water pump has any minor faults, remember not to let it work. If the filler of the water pump shaft is completely worn, add it in time. If you continue to use the water pump, it will...[Details]
At 16:00 on October 21, the Shandong section of the Shandong-Hebei UHV ring network project built and managed by State Grid Shandong Electric Power Company was completed.
The Shandong section ...[Details]
Oscilloscopes are still an indispensable tool on the workbench. Here are six common questions from oscilloscope users to solve the doubts of laboratory researchers.
Q1: What are the requiremen...[Details]
The display screen of LCD TV is a passive light-emitting display device. It needs to transmit the light emitted by the backlight source through the LCD screen, and use the molecules of liquid crystal ...[Details]
1 Introduction Embedded systems are widely used in various fields. One of the most common applications is embedded Linux intelligent terminal devices. In view of the application characteristics o...[Details]
When using an oscilloscope to test, the signal is very small, only a few dozen MV. Using the oscilloscope at the lowest setting, I found a lot of glitches. At first, I thought the oscilloscope ground...[Details]
Since I couldn't find the relevant program after searching for a long time when using it, I posted the program I wrote later, hoping that it can be used as a reference for later users!
(This progra...[Details]
Use rpm -qa | grep tftp to check whether the tftp server is installed
If not. tftp: yum install tftp* (yum install xinetd tftp tftp-server)
Tftp configuration file is in vi /etc/xinetd.d/...[Details]
Discrete Device
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