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1. Motor power supply problem: There are poor contact points in the circuit or related electrical appliances.
2. Motor problem: There is poor contact inside the motor or at the incoming line.
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Using the technology of producing polycrystalline silicon ingots, we can obtain the high quality of CZ-pulled single crystal silicon; we can produce something that originally cost 160 yuan with a cost...[Details]
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Digital multimeters have ohmmeters like pointer multimeters, but due to the different measurement principles, the ohmmeter of a digital multimeter cannot determine the positive and negative poles. Ho...[Details]
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Despite working hard to meet production targets, luxury electric car maker Lucid has been forced to recall its Air EV electric vehicles due to potential problems with the vehicle's wiring harness. Ac...[Details]
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The figure below is the power supply module circuit diagram (+V1 and -V1 power supply module). +V1 and -V1 provide +30V and -30V voltages for TDA7294 respectively.
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As we all know, due to the reduction in the production of Kirin 5G chips, Huawei's shipments in the high-end 5G mobile phone market are weak, but Huawei has never been absent. Recently, some netizens...[Details]
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Japan Display Inc. (JDI) reported a net loss of 83.2 billion yen (US$790 million) in its latest quarterly financial report, resulting in a significant deterioration in its financial situation. JDI's ...[Details]
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The system control coprocessor in the MIPS architecture is referred to as CP0. It provides the environment required for normal execution of instructions and performs operations such as exception/inter...[Details]
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At present, combined with the characteristics of various regions, the application scenarios of blockchain are constantly expanding, but it is still in a relatively early stage. The development of the...[Details]
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According to Cailianshe, Huawei has recently made a major breakthrough in the field of battery technology and announced a new patent titled "Doped sulfide materials and preparation methods, lithium...[Details]
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To operate OLED, connect to OLED through three lines (SCK, DO, CS). There is no DI here because 2440 will only transmit data to OLED without receiving data. gpio_spi.c implements gpio simulation spi ...[Details]
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Commvault, a recognized global leader in software that manages data for cloud and on-premises environments, today announced at Commvault GO 2019 that it is embracing change and building a stronger, w...[Details]
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This is the simplest program. Under the control of the timer, a 500 Hz square wave is emitted from the P1.0 pin.
Requirements: 6MHz crystal oscillator, P1.0 pin generates 500Hz square wave
The co...[Details]
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MCU (Micro Controller Unit), also known as Single Chip Microcomputer, or MCU for short, refers to a chip-level computer that integrates the computer's CPU, RAM, ROM, timer and multiple I/O interfac...[Details]
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The big model became popular, first sweeping the field of NLP, and then bringing about the vigorous development of AIGC. The next step is about to bring revolutionary changes to the autonomous drivin...[Details]
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