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　　Fiber measurement with OTDR can be divided into three steps: parameter setting, data acquisition and curve analysis. Manually setting measurement parameters includes: 　　(1) Wavelength selection (...[Details]

       Recently, OFILM announced that it has successfully developed the thinnest periscope continuous zoom module in history, with a thickness of only 5.9 mm. 　　It is reported that after more than a ...[Details]

For the input and output of PLC, there are two types: digital quantity and analog quantity. Digital quantity is easy to understand, that is, a physical quantity that is discrete in time and quantit...[Details]

I'm studying ARM Cortex-M3 recently, and I found a book called "An Definitive Guide to The ARM Cortex-M3" which is considered a classic. This series of study notes is actually the reading notes I made...[Details]

　　1. Flexible LED light strips use FPC as the assembly circuit board and SMD LEDs for assembly, so that the thickness of the product is only the thickness of a coin and does not take up space; the co...[Details]

In the M1 iPad Pro released early this morning, the new device uses a new chipset and an improved camera system, as well as a new person centering function, which greatly improves performance. The ...[Details]

1. The program wants a detailed algorithm idea.  2. When the crystal oscillator and CPU meet the calculation requirements, the theory is that you can adjust the encoder as much as you want . 3. The a...[Details]

The 19th issue is about memory testing. Memory speeds are getting faster and faster. Question 19-1 Which of the following statements about the required oscilloscope bandwidth is incorrect? A. ...[Details]

Based on the principle of computer vision, an embedded image processing platform is built with an ARM microcontroller as the core to achieve real-time tracking of the sun. The system uses a CMOS imag...[Details]

Now that we understand serialization, let's go back to the previous section. We found that ROS did not use a third-party serialization tool, but chose to implement it itself. The code is in r...[Details]

1 Introduction The front stage provides direct current from the 220V AC grid rectification, which is a basic current conversion scheme widely used in power electronic...[Details]

      On the evening of May 6, iQOO released a new Neo series phone, the iQOO Neo6 SE. In terms of configuration, except for the replacement of the core, it is not much different from the previously ...[Details]

For the first time, NIO announced the specific locations of its urban battery swap stations, which will help increase the frequency of users using the stations.   NIO has officially announced the loc...[Details]

Go to Taobao, buy a house, a car, and a plane... Available online, priced at 2.39 million In 2024, along with the “humanoid robots ”, the “low-altitude economy” was also inclu...[Details]

Preface This is a new picture of development that is a mixture of the old and the new, and a transformation of kinetic energy. In the tall red brick factory building with a sense of age, red hot molte...[Details]