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400V and 800V electric vehicles coexist. How to coordinate these two different architectures? It’s no secret that the race to electrify vehicles is already underway, whether spurred by government r...[Details]
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Problem description:
The buzzer driving circuit is as above. When PB5 outputs a high level, the transistor is cut off; when PB5 outputs a low level, the transistor is turned on.
The...[Details]
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Before CES Asia opened, I suggested to my colleagues that the theme of the coverage be changed to "return." That’s because from the list of manufacturers and technologies revealed before the opening,...[Details]
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In high-voltage inverters, in order to solve the problems of strong and weak electrical isolation between the main control system and the power units in the unit-series multi-level high-voltage inv...[Details]
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1 Introduction
Since the 1980s, power electronics technology has developed rapidly. The application of various frequency converters, converters, switching power supplies and reactors has increa...[Details]
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This is a 51 microcontroller CO2 detection and display program data. The T (TXD) of the carbon dioxide sensor MH-Z19 module is connected to the RXD of the microcontroller, R (RXD) is connected to the...[Details]
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1. Sound measurement method The use of acoustic measurement method is a common method for cable fault location from the past to the present, and it is also an effective method. However, the instr...[Details]
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Recently, Xiaomi CEO Lei Jun reviewed Xiaomi MIX 2S, and many netizens thought that the official announcement of MIX 4 is coming soon. At the same time, foreign enthusiasts have summarized the curren...[Details]
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Overview of the ARM microprocessor instruction set The ARM instruction set is of load/store type, which means that the instruction set can only process data in registers, and the processing results m...[Details]
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In the application of single-chip microcomputer, it is often necessary to save the running data when the power is off (including manual shutdown and accidental external power failure). At present, th...[Details]
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After writing a lot of lab tutorials on the PIC16F series of microcontrollers, I thought of continuing on to the enhanced range of the PIC18F series of PIC microcontrollers, the PIC18F. Although the ...[Details]
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High
-power
LED lighting
is currently facing many technical challenges.
In order to solve the problems in this field, the
LED
industry has developed many different methods...[Details]
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On August 7, according to reports from Bloomberg Law and Reuters, Harvard University filed a lawsuit with the U.S. District Court for the Eastern District of Texas on Monday, accusing Samsung Elect...[Details]
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At noon today, DXOMARK announced that the overall audio score of Apple HomePod mini was 98, ranking last in the advanced version of DXOMARK speaker review. IT Home learned that DXOMARK's spea...[Details]
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Gas chromatograph is the main tool for gas chromatography analysis. To achieve the purpose of fast and accurate analysis, the operator must have good operating skills. Based on my experience of usin...[Details]
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