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Electricity waste in the air compressor loading and unloading air supply control method
2 (1) The speed formula of AC asynchronous motor is:
n=60f(1-s)/p
Where n is the motor...[Details]
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Hardness is a performance index to measure the hardness of a material. There are many methods for hardness testing, and the principles are different. The measured hardness values and meanings are no...[Details]
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1. Introduction
A barometer is a device that uses a pressure-sensitive element to directly convert the measured air pressure into a current or voltage signal that is easy to detect and transmi...[Details]
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Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited filter
#define A 10
char value;
char filter()...[Details]
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In recent years, with the global energy conservation and carbon reduction drive, light-emitting diodes have become increasingly popular in commercial applications such as building exteriors, d...[Details]
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On May 14, Small and Medium Enterprise Development Fund (Xi'an) Guozhong Partnership (Limited Partnership) was established. Image source: Qichacha The executive partner is Shenzhen Guozhong Changro...[Details]
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Bandwidth of oscilloscope (concept - very detailed)
Bandwidth is called the first indicator of oscilloscope and the most valuable indicator of oscilloscope. The division of oscilloscope market is oft...[Details]
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When we use kei c51 to create a 51 microcontroller project, there will be a prompt as shown below: Normally, you need to select "Yes". Of course, you can also choose not to add it. So, what is the ro...[Details]
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It is reported that after South Korea, the United States, Switzerland and the United Kingdom launched 5G services, German operator Deutsche Telekom also announced the official launch of 5G services. ...[Details]
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Jiwei.com reported on May 20 that today, the official Weibo account of realme mobile phone announced that a new record of realme was created: the monthly mobile phone sales in the Chinese market exce...[Details]
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summary
This article introduces a reference design for simulating a power architecture for a true wireless stereo (TWS) headset application. It can increase the application's fas...[Details]
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It has been nearly two years since the Japanese government tightened export controls on South Korea in July 2019. In order to counter Japan's export controls, the South Korean government has introduc...[Details]
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A new method for detecting voltage flicker signals using wavelet packet analysis and quasi-synchronous detection is proposed. This method uses software to simulate hardware synchronous detection, w...[Details]
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Originally, an 8M crystal was used and the settings were as follows. The communication data was sent normally .
RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);
Now it is changed to a 16M cr...[Details]
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Because the compiled UBOOT written to FLASH always failed to run several times before. So what should I do? After thinking for a long time and checking the source code, I still didn't find the prob...[Details]
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