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Preliminary knowledge 1. First, let’s clarify two concepts: Steady-state thermal resistance: The temperature difference between two measuring points is △T. The energy passing through the heat dissipa...[Details]
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Toyota's second-generation hybrid system (THS-Ⅱ) is unique in the world for its exquisite mechanical structure and rigorous control strategy. Its core competitiveness lies in the power distribution...[Details]
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On the evening of April 14, Apple announced today that its global suppliers more than doubled their use of clean energy last year. Currently, more than 10 GW of the nearly 16 GW of clean energy...[Details]
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product description: The 8009 resistivity test box is a protected test fixture used to measure volume resistivity and surface resistivity (sheet resistance). It has excellent electrostatic shielding ...[Details]
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Introduction: This paper designs a simple virtual oscilloscope using the LabVIEW virtual experiment software platform, which uses the ATmega16 microcontroller for data acquisition and transmits data ...[Details]
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The motor has burned out, but the thermal relay has not yet operated. This is generally caused by the following reasons:
1. The rated current value of the thermal relay does not match the rate...[Details]
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/* Independent keyboard scanning + buzzer + digital tube written by myself Mistake: unsigned is written as unsigner and it keeps saying that a and b cannot be found PORTD0=1; No, you have to write...[Details]
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On Monday, Lexus officially announced that it will launch a new pure electric vehicle in 2021, and will equip the next-generation electrified products with a new generation of electric drive system -...[Details]
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Musk has repeatedly referred to the vehicle as the "Cybertruck." Musk said it looks like an "armored personnel carrier from the future" and has the cool style of the futuristic pickup truck in the sc...[Details]
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There are two methods for sorting LEDs: one is chip-based test sorting, and the other is test sorting of packaged LEDs.
(1) Chip testing and sorting
LED chip sorting is very difficult, ma...[Details]
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When the V-cone flowmeter is used for on-site measurement, some objective factors often lead to large measurement errors. The following are the main measures to ensure the measurement accuracy of the ...[Details]
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U.S. Commerce Secretary Gina Raimondo recently expressed full confidence in the prospects of the U.S. semiconductor manufacturing industry. Gina Raimondo told CNBC on Tuesday that the global chip sh...[Details]
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If the microcontroller program crashes or runs away, the reasons can be found in the following aspects: 1. Unexpected interruption. Is an interruption enabled, but no response or clearing of the in...[Details]
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The parallel bus of STM32 supports NOR, SRAM, PSRAM, and NAND interfaces. This article uses PSRAM as an example to implement synchronous non-multiplexing, asynchronous multiplexing, and asynch...[Details]
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In the face of new changes in the energy supply and demand structure and new trends in international energy development, how can energy storage play a key supporting role in accelerating the construct...[Details]