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The main difference between variable frequency and non-variable frequency motors lies in the control method and power efficiency. Under variable frequency control, the motor's operating frequency a...[Details]
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About the author: Zhu Yulong is a senior engineer of electric vehicle three-electric system and automotive electronics. He is currently engaged in the electronics of new energy vehicles. He has more ...[Details]
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How to use LCR tester 1. Prepare the LCR tester. The white button is the switch. 2. The commonly used buttons are ZLCR to change the main measurement function, and DQe to change the auxilia...[Details]
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There is such a paragraph in linux-2.6.24.4/arch/arm/kernel/head.S.
* swapper_pg_dir is the virtual address of the initial page table.
* We place the page tables 16K below KERNEL_RAM_VADDR. There...[Details]
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Electronic components are the basis of electronic products. Understanding the types, structures, and performance of commonly used electronic components and being able to choose them correctly is the ...[Details]
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The classic way to implement a voltage divider by two is to use two resistors of equal value. If you use resistors with a precision of 1%, the output voltage of the voltage divider by two will be acc...[Details]
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Recently, Professor Liu Jie's research group at the School of Electrical and Information Engineering of Hunan University independently developed a "storage-computing-in-one" non-von Neumann brain-lik...[Details]
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Code is the program code part RO-data represents the constant const temp defined by the program; RW-data indicates initialized global variables ZI-data represents an uninitialized global variab...[Details]
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Require: 1. When the red light and green light switch to each other, the yellow light flashes three times (6 seconds); 2. It takes 30 seconds to drive on the main road, 20 seconds to drive on the...[Details]
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For a large number of system manufacturers such as automobiles, communications, and test and measurement equipment, the development of technology has brought about a significant improvement in termin...[Details]
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On June 10, 2021, Huizhou Yiwei Lithium Energy Co., Ltd. (hereinafter referred to as the "Company") and Jingmen High-tech Industrial Development Zone Management Committee (hereinafter referred ...[Details]
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In recent years, car company bosses have often exchanged blows with each other. This time, the target is AEB technology (automatic emergency braking system technology). Those involved in the "wa...[Details]
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The servo motor speed control and torque control are both controlled by analog quantity, and the position control is controlled by sending pulses. The specific control method should be selected acc...[Details]
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6. Belt rigidity
In a belt-based transmission, a servo coupling connects the output pulley to the rotating load. The weight of the load is supported by a toroidal bearing. The belt-to-pulley r...[Details]
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8051 MCU drives ADS7846/ADS7843 chip
ADS7846/7843 chip is suitable for 4-wire touch screen. It communicates with CPU through standard SPI protocol. It is simple to operate and has high precision. ...[Details]
Analogue and Mixed Signal
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