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Recently, the National Bureau of Statistics announced the operation of China's Purchasing Managers' Index in May 2023. The data showed that in May, the manufacturing Purchasing Managers' Index (PMI...[Details]
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According to Gartner's latest forecast in November 2018, global shipments of smart wearable devices will increase by 26% year-on-year to 225 million units in 2019, of which ear-worn devices will incr...[Details]
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In this Power Tip, we will look at the effective resistance of conductors in free space and in wound structures. Figure
1
shows the first example. It is a cross section of a single wire in ...[Details]
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Recently, news about the "product quality" and "returns" of a certain star energy storage company has spread online. In response, the company has also officially refuted the rumors.
This news ...[Details]
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IndyNami Semiconductor Technology Group held a founding ceremony and a commissioning ceremony for the semiconductor etching machine precision parts production and repair project. Public information ...[Details]
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After configuring the clock, how do you verify the accuracy of the clock configuration? LPC1114 has a CLKOUT pin, which is used to output the clock. By observing this pin with an oscilloscope, you ca...[Details]
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There are roughly the following types of photography subjects involved in our travels: landscape, humanities, and portraits. Traveling is not for photography. No one wants to carry a lot of equipment...[Details]
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Active Retarder and polarized glasses can reproduce full HD images, with minimal impact on image quality such as viewing angle and brightness. RealD of the United States and Samsung Electronics of ...[Details]
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1 Introduction The H-bridge cascade multilevel converter uses a method of connecting multiple power units in series to achieve high voltage output. Its output mostly uses a multi-level phase-shifte...[Details]
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Future transportation will mainly include electric cars , trucks and airplanes, but a single battery design will obviously not be able to meet complex needs. In the coming decades, batteries may need...[Details]
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Sometimes LabVIEW and C calls need to pass string arrays to the DLL.
For example, a function is
void fuc(int size1, int size2, char **str)
{
...
}
How do I pass the string array in th...[Details]
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1 Introduction to Virtual Instruments
The main functions of all measuring instruments are composed of three parts: data acquisition, data analysis and result display. Among them, data analysis and...[Details]
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Jiwei.com reported on February 3 that AnTuTu, a well-known mobile phone benchmarking software, released the Android phone performance list for January yesterday. Let’s take a look. First is the And...[Details]
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1. DC current part The moving coil should be installed correctly, and there should be no ferromagnetic material in the moving gap. If the shunt resistor is burned out, it should be replaced accor...[Details]
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Learning ARM assembly is very necessary. Learning ARM assembly is not to write programs in assembly in the future, but to understand and modify it. Because in the later projects related to the kern...[Details]
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