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Clamp the three-phase wires A, B, and C connected to the load (such as a motor) into the jaws at the same time. If there is no indication, it means that the three-phase circuit is balanced. If there i...[Details]
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Recently I made a timing board using stm8s003k3 plus a three-digit digital tube, relay and MOS tube output, four buttons for setting, the code can be changed according to your needs MCU: stm8s003k3 i...[Details]
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The accuracy and stability of analog signal value acquisition determine the reliability of the entire project. However, the on-site environment is harsh and the interference is serious. In order to...[Details]
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The low-speed characteristic is one of the important indicators to measure the performance of the turntable servo system. There are many factors that affect the low-speed characteristic, the most i...[Details]
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In recent years, the automatic test system of electronic equipment has entered a new era with miniaturization, intelligence, integration and informatization as the development direction, while taki...[Details]
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Introduction
When single-chip microcomputers are used in industrial control and other aspects, analog quantities such as current, voltage, temperature, displacement, and speed are often convert...[Details]
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Yongtai Energy Co., Ltd. (hereinafter referred to as "Yongtai Energy" or "the Company"), China Yangtze Power Co., Ltd. (hereinafter referred to as "Yongtai Power") and the Preparatory Group of Hena...[Details]
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With the widespread use of machining centers, many users have also begun to use tool measuring devices. It can not only detect the wear of the tool, but also realize automatic compensation (by modifyi...[Details]
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Hemoglobin is an important component of blood cells and is responsible for transporting oxygen from the lungs to other tissues in the body. The amount of oxygen contained in hemoglobin at any one t...[Details]
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Schematic diagram of current sharing using feedback control
Figure 1. Schematic diagram of current sharing using feedback control method
The figure is a schematic diagram of the above feedback...[Details]
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Preface Explain the serial port driver principle of Wei Dongshan JZ2440 development board, and supplement the serial port usage content in Wei Dongshan's Wiki tutorial. Click here to enter the serial...[Details]
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GPIO output speed There are three output speeds to choose from in the I/O port output mode (2MHz, 10MHz, 50MHz). This speed refers to the response speed of the I/O port drive circuit. There are multi...[Details]
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Over the past 70 years since the founding of the People's Republic of China, tremendous changes have taken place in all walks of life in my country. These are concentrated manifestations of the sup...[Details]
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The national standard stipulates that three-phase asynchronous motors are not allowed to be started directly in the following two situations:
① Rated capacity greater than 7.5kW;
②When po...[Details]
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The concept of the Internet of Things was first seen in Bill Gates' "The Road Ahead" in 1999, and was formally proposed at the International Telecommunication Union Conference in 2005. In recent ye...[Details]
Analogue and Mixed Signal
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