1. Minimum flow problem The amplitude of the vortex signal is proportional to the square of the flow velocity and density of the measured medium. That is to say, when the detection sensitivity of the ...
With the advent of 5G, the explosion of the Internet of Things, and the rapid advancement of automotive intelligence, wireless connections have gradually become the norm in the market. It is certain t...
When designing circuits, we often hear the word "anti-reflection". So how to eliminate reflection? Why do we need to eliminate reflection? Let's start with the signal transmission process. The process...
I wrote an Android app and used the following Android code to send a character. I want to know which callback of Bluenrg will be called after sending the character?
BluetoothGattService gattService =
...
In Japan, the shutdown of nuclear power plants has led to a significant increase in fuel costs for thermal power generation. Therefore, since May 1, Kansai Electric Power Company and Kyushu Electric ...[Details]
Nowadays, many new home appliances are labeled "smart". The overwhelming publicity of smart products makes the products full of technology, and the refrigerator industry is no exception. But what i...[Details]
On the afternoon of September 24, Xiaomi Full Screen TV Pro was officially unveiled. Appearance: It is divided into three sizes: 43 inches, 55 inches, and 65 inches, with a screen-to-body ratio of ...[Details]
The Zhejiang Provincial Department of Economy and Information Technology issued a document on January 11 to announce the "Zhejiang Province Future Factory and Smart Factory (Digital Workshop) Recogni...[Details]
Since the beginning of this year, the domestic mobile phone market has been weak, which has brought considerable pressure to the industry chain. Under the pressure of downward demand, manufacturers n...[Details]
According to Jiwei.com, on April 19, Huazheng New Materials released its first quarter report of 2021, achieving operating income of 770 million yuan, a year-on-year increase of 86.91%, mainly due to...[Details]
In foreign countries, the rangefinder has been maturely used in golf courses. China has gradually filled the gap in this field and independently developed its own golf laser rangefinder and display sy...[Details]
The Ti480 infrared thermal imaging camera provides 640*480 high-definition image quality and an amazing price. The single-handle design makes it easy for field testers to grasp it with one hand. At t...[Details]
As technology advances and time to market shortens, engineers and scientists are required to respond more quickly and efficiently to industry challenges. The concept of virtual instrumentation was ...[Details]
I originally thought that I could write the interrupt program quickly, but I didn't expect that I only had some idea of it yesterday. Although I don't know if it is correct, I wrote it out for ev...[Details]
Power supply ripple testing is a very important parameter in power supply quality testing, but how to accurately measure power supply ripple has become a difficult problem for engineers. How can we o...[Details]
When the battery voltage in the digital battery is lower than the lower limit (for example, 9 or 7v is the lower limit), the reading will be seriously out of tolerance. In severe cases, it may even c...[Details]
Consumers want as few cables as possible to connect their home entertainment systems, which has led to the need for wireless active speakers. To provide the best audio quality from high-end active sp...[Details]
DC regulated power supply is an important component of modern power electronic system, and a good DC power supply system is an important guarantee for high-quality modern electronic system. There are ...[Details]
Digital control systems can bring many advantages to designers, such as the ability to perform advanced calculations and reduce costs. Therefore, when implementing a digital motor control system, t...[Details]
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