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What is the function of the three-valve group of the differential pressure flowmeter? The throttling device and the differential pressure transmitter are connected by positive and negative pressure c...[Details]
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Electromagnetic flowmeter is a velocity meter designed and manufactured based on Faraday's electromagnetic induction principle to measure the volume flow of conductive media. Usually, the inner cavit...[Details]
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STM32 has three low power modes: sleep mode, stop mode and standby mode. In sleep mode, the core stops running, but the peripherals are still working, and the clocks of all peripherals will not be ...[Details]
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Recently, Tesla announced its delivery volume in the first quarter of 2019. From January to March 2019, Tesla delivered a total of 63,000 vehicles, an increase of 110% over the same period last year,...[Details]
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Recently, there was news that TCL Huaxing plans to build an 8.5-generation LCD production line in Guangzhou. In fact, it is not an 8.5-generation line. Jiwei.com reporters have just received news tha...[Details]
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Frequency stability is an important technical indicator of the oscillation circuit. In general LC oscillation circuits, despite various frequency stabilization measures, the frequency stability can...[Details]
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Commercial lighting has become a key area of lighting design and lighting application research because of its wide range of service objects and application purposes. Such articles have long been...[Details]
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On the evening of August 18, Han's Laser released more than 20 announcements in succession, mainly announcing the 2019 semi-annual report, supplementing the construction status of the European R&D an...[Details]
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On December 6, Microsoft's stock price reached $151, and its market value exceeded $1.1 trillion. The gap in market value between Microsoft and Apple, the world's most valuable company, is now less t...[Details]
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1. Use of interrupt EXTI_SetExtIntSensitivity External Interrupt Control Register 1 (EXTI_CR1) void EXTI_SetExtIntSensitivity(EXTI_Port_TypeDef Port, EXTI_Sensitivity_TypeDef SensitivityValue) { ...[Details]
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Abstract: Taking the MCS51 series of single-chip microcomputers as an example, this paper introduces a high-speed control scheme for large-screen LED display screens using single-chip microcomputer...[Details]
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As shown in the circuit, the dual triode ECC82 (equivalent to E802C, E82CC, North American 12AU7, and domestic 6N10) is used as an amplifier. This type of tube has excellent indicators and long s...[Details]
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1. Unified program structure
OB1: main program;
OB100: Initialization program (no need to call the main program);
OB35: 100ms (modifiable) interrupt (no need to call the main program...[Details]
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UPD78F0485 gas meter features:
1. LCD display
2. Prepayment function
3. Insufficient gas supply cut-off function
4. Insufficient gas supply and abnormal alarm function
5. Strong magnetic interfer...[Details]
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In the rapid development of the semiconductor industry, silicon carbide (SiC), as a new type of wide bandgap semiconductor material, is gradually becoming an important development direction of the ...[Details]
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