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This small switchboard is controlled by PIC microcontroller, which is easy to use. Extensions can make internal calls to each other. The biggest advantage is that when the power supply is cut off, ...[Details]
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1. Introduction
With the advancement and development of technology in recent years, a new type of product has emerged in the power switching system - automatic transfer switching equipment (ATS...[Details]
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1 Introduction
The brushless DC motor uses an electronic commutation device to replace the mechanical commutation device of the traditional DC motor, and has similar mechanical characteris...[Details]
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Direct Digital Frequency Synthesis (DDFS, generally referred to as DDS) is a new frequency synthesis technology that directly synthesizes the required waveform based on the phase concept. It has fa...[Details]
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The unveiling ceremony of the center was held at Inner Mongolia University.
The Inner Mong...[Details]
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According to Juheng.com, the public acquisition of Siltronic AG's outstanding shares by silicon wafer giant GlobalWafers was approved by Taiwan's Fair Trade Commission today, and the merger is not pr...[Details]
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IT Home reported on April 7 that in July last year, realme officially announced the realme 125W smart flash charging technology, which can quickly charge a 4000mAh battery to 33% in just 3 min...[Details]
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This is a new type of half-bridge soft switching inverter technology, which can make the inverter switch device work under soft turn-on and soft turn-off conditions. Its switch voltage stress and cur...[Details]
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When a base station supports multiple radio access technologies, the 3GPP Release 9 standard contains a series of documents on MSR (3GPP TS37 Release 9) and puts forward requirements for base station ...[Details]
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1. Composition of the double-fed speed control system
For wound-rotor asynchronous motors, the stator is connected to an industrial power supply with a fixed frequency (50Hz), and the rotor s...[Details]
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Sanan Optoelectronics issued an announcement regarding internal adjustments to shareholders' shareholding structure and changes in equity. The announcement shows that on December 2, 2019, Sanan Opt...[Details]
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In the second half of 2022, "Urban NOA" will emerge in the field of autonomous driving and become a key area of competition for OEMs. Functionally speaking, urban NOA can realize point-to-point "...[Details]
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0 Introduction
The functions of the gearbox, such as speed change, energy storage, and torque increase, make it one of the most widely used general components in power machinery. Whether it work...[Details]
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I won't post the circuit diagram for the typical connection of 16×16 LED dot matrix. Here is a complete assembly program example of AT89S51 microcontroller driving LED dot matrix to display Chine...[Details]
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At the Chery Global Innovation Conference that just ended, Chery, which has always been low-key, announced its strategic layout and put forward the goal of "being smart and becoming the industry le...[Details]
PCB Design
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