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When testing with an insulation resistance meter, there are eight things to keep in mind. During the test, do not touch the wiring buttons with your hands. The glass on the meter head is dusty and sh...[Details]
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Abstract:
With the help of Matlab's FDATOOL filter design and analysis software, a FIR digital bandpass filter is designed and used to filter a noisy speech signal. The filter is implemented ...[Details]
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Three-phase AC servo motors are widely used, but after long-term operation, various faults will occur. Timely identification of the cause of the fault and corresponding treatment are important task...[Details]
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Automatically closing power windows or doors on cars present a potential risk of jamming, crushing and possible injury. They must be able to reverse movement to prevent the force applied by the motor...[Details]
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The size of my color screen is 240*320~ Following is the code //common.h #ifndef __COMMON_H__ #define __COMMON_H__ #include reg52.h #include intrins.h typedef unsigned int uint; typedef unsign...[Details]
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Thyristor medium frequency induction heating power source uses thyristor to transform three-phase industrial frequency AC power into single-phase AC power of several hundred or several thousand Hz....[Details]
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New breakthrough successfully restored "bionic walking". Image source: Nature Medicine
A paper published in Nature Medicine on the 1st reported the latest breakthrough in neural pros...[Details]
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In the past two years, RISC-V has set off a wave of enthusiasm in China, and is seen as an opportunity for the development of "independent and controllable" domestic chips. In 2018, the China RISC-V ...[Details]
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Electric Era says it has cracked the code for fast and reliable electric vehicle charging stations that can be delivered wherever they are needed. The startup, founded by former SpaceX engineers, just...[Details]
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1. What is PWM?
PWM (Pulse Width Modulation) is simply a frequency conversion technology that controls the output voltage by changing the pulse width and controls the output frequency by changing ...[Details]
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Biometric payment cards with integrated fingerprint sensors make contactless payments more convenient, secure and hygienic. The contactless payment card remains in the cardholder's hand throughout th...[Details]
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In vehicles and other battery-powered
electronic
devices, module power supplies with an input
voltage
range of 9V-18V or 9V-30V, an output power of 200W-400W, an output volt...[Details]
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The I2C bus is a very common bus in electronic products. Its advantage is that it only needs two lines to connect many ICs in parallel for control. However, due to the multi-device and open drain a...[Details]
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1 Introduction
In traditional computer systems, serial ports (such as RS232) and parallel ports are often used to connect peripheral devices. However, both serial ports and parallel ports have ...[Details]
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1.1 Industry Background
In recent years, with the large-scale promotion and application of new energy vehicles, the development and testing technology of new energy vehicle control systems and...[Details]
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