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How to deal with STM32 external 12MHz crystal oscillator http://www.amobbs.com/thread-4478412-1-1.html (Source: amoBBS Amo Electronics Forum) Since the STM32F10x library officially uses the default e...[Details]
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Each cascade inverter unit of a traditional cascade inverter is generally exactly the same, which limits the number of output levels. This paper obtains more output levels by changing the transform...[Details]
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Following is a 4 x 25W Quad Audio Amplifier circuit (an amplifier with four inputs and four outputs) based on TDA7381. This amplifier is designed for car audio systems but you can also use this cir...[Details]
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The grid is balanced for power supply, three-phase symmetry, and the power factor is close to 100%; (2) Due to the use of three-phase star input wiring, under the same power output conditions, the pr...[Details]
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Today I want to introduce the startup code of STM32. I am using the medium-capacity STM32f103c8t6 here. The corresponding startup file is startup_stm32f10x_md.s. My startup file version is V3.6.2 W...[Details]
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1 Introduction In actual radio and television transmission work, the entry test of new transmitters and the daily indicator test of transmitters all involve audio testing. The audio spectrum anal...[Details]
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After an afternoon and evening of work, I finally figured out that if DMA is not used, the ADC must be enabled every time data is collected, otherwise the data will not be converted.
C++...[Details]
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On October 26, Slake announced that the company achieved operating income of 1.208 billion yuan in the first three quarters of 2022, a year-on-year increase of 92.15%; and realized net profit attribut...[Details]
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Radio frequency identification (RFID) technology is an automatic identification technology that has gradually matured since the 1980s. RFID is the abbreviation of radio identification, that is, identi...[Details]
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The general idea of the program is as follows: two timers are configured in encoder mode, which are used to count the encoder pulses of the two wheels of the car. The overflow of the counter up or ...[Details]
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Three-phase AC circuits are divided into three-phase three-wire and three-phase four-wire systems according to the different connection methods of power supply and load, and each system has differen...[Details]
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In recent years, the third generation mobile communication system based on WCDMA technology has been developed vigorously and widely used in Europe, Japan and North America. Among them, Europe, Nor...[Details]
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Recently, Zhichedepai learned from the Internet that the experimental research group of Professor Wu Changzheng from the School of Chemistry and Materials Science of the University of Science and Tec...[Details]
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New Product Release | MEMSIC Semiconductor releases new AMR geomagnetic sensor MMC5616WA, a new upgrade to meet a variety of application scenarios
On February 18, 2023, MEMSIC Semico...[Details]
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A car inverter is a convenient car power converter that can convert 12V DC power into 220V AC power, the same as the mains power, for use in general electrical appliances.
In terms of ou...[Details]
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