With the increase of communication capacity, the speed supported by device ports is getting higher and higher, from the common single-port 10Gbps and 25Gbps*4 in the 4G era to the single-port 25Gbps, ...
How do you plan your career? How do people in our industry usually plan their careers? I am 25 years old now and I am very confused. I don’t know which direction I should go in the future. I hope you ...
The Mercedes-Benz E-Class sedan produced by Beijing Daimler-Benz was officially launched in Beijing on December 22. There are two models in total. The E280 with a 3.0-liter V6 engine is priced at 620,...
It mainly includes the following types: The fill-in-the-blank questions are relatively basic, most of which are single-chip microcomputers. I remember there are interrupt-filling questions, and there ...
The circuit diagram is as follows, the characteristic frequency is 100kHz. Adjust R1 to make the amplification factor 3, and the circuit will produce self-excited oscillation.Transient response, the t...
I made a preliminary design of an ESP32 mini board. The short one does not have the microSD and lithium battery charging functions, but everything else is the same. Which one do you think is better?...
Today, Redmi's official Weibo account announced the first sales report of Redmi Note 8 Pro. As of 23:59 on September 3, the sales of the phone reached 300,000 units. In response to this, Xiaomi found...[Details]
Circuit Function and Advantages
The circuit shown in Figure 1 is an ultralow power data acquisition system that uses the AD7091R 12-bit, 1 MSPS SAR ADC and the AD8031 op amp driver. The total power...[Details]
In-phase adding circuit (composed of LF155)
The three input signals are added to the op amp's in-phase terminal at the same time, and the input and output voltage relationship is:
The param...[Details]
Yageo, known as the "M&A maniac" in the industry, announced in November that it would acquire 100% of the shares of KEMET, a US passive component company, for US$1.8 billion. Recently, Yageo has anno...[Details]
1. Introduction With the rapid development of high-tech in the information age, people's desire to obtain and display various types of information in a timely manner is becoming increasingly strong, ...[Details]
1. Introduction
The basic principle of the BLDC control scheme without Hall effect is similar to that of the BLDC with Hall effect. Both use the so-called "six-step commutation method". Accord...[Details]
The Display Computing – CRYSTAL product line of Cincoze, a rugged embedded computer brand, is designed for HMI applications in a variety of harsh environments.
It includes three serie...[Details]
As the country steps up its efforts to build "safe cities" and "safe campuses", civilian surveillance is rapidly penetrating into more and more fields. Whether it is smart cities and smart transp...[Details]
The solution supports comprehensive driver and cabin monitoring and provides video conferencing application capabilities through a single RGB-IR sensor. Source: Getty Images/algre According to...[Details]
On February 10, 2021, Antarctic Bear learned that a research team from the California Institute of Technology (Caltech) has developed a new method for 3D printing lithium-ion battery electrodes. Th...[Details]
Preface As my country vigorously implements intelligent manufacturing projects, manufacturing companies have increased their investment in the fields of informatization and automation, and continu...[Details]
PIC microcontrollers have many applications in life, which is one of the main reasons why most friends learn PIC microcontrollers. I have introduced a lot of PIC microcontrollers. In this article, I ...[Details]
40 experimental mice were exposed to nicotine-containing e-cigarette smoke for 54 consecutive weeks, and 9 (22.5%) developed lung cancer. In addition, 23 (57.5%) developed bladder hyperplasia, which ...[Details]
1. What is the trigger mode of an oscilloscope? The "triggering" of an oscilloscope is to synchronize the scanning of the oscilloscope with the observed signal, so as to display a stable wa...[Details]
On May 15, the U.S. Bureau of Industry and Security (BIS) announced that it would introduce new export control regulations to restrict Huawei's ability to design and manufacture semiconductors abroad...[Details]