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The rising penetration of electric vehicles (EVs) has stimulated market demand for optimized design, reduced costs, and improved vehicle operating efficiency, and has raised new challenges for produc...[Details]
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In program writing and testing, debugging function is very important. Often we need to debug and observe step by step to find some deeply hidden bugs, so we need to have some understanding of the c...[Details]
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1 Introduction Emergency power supplies mostly use batteries to provide energy. In order to obtain a high enough voltage, multiple batteries are usually connected in series, such as 24, 32 or 48 lea...[Details]
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2.2.1 Determination of emitter E Set the multimeter to the R × 100 range or the R × 1k range, connect the black probe to the assumed emitter, and the red probe to the other two poles. When two low re...[Details]
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Serial interface structure of 8051 microcontroller
The 8051 serial interface is a programmable full-duplex serial communication interface. It can be used as an asynchronous communication method (UART...[Details]
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1. In order to achieve quasi-3-state, the P0 port of the 51 single-chip microcomputer adopts OC output, that is, collector floating output, also called totem pole output. This circuit structure has o...[Details]
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At the 2019 Chengdu Auto Show, new energy vehicles have clearly become the darling of the entire industry. Both new brands and traditional car companies are moving in this direction. However, among n...[Details]
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According to Sandalwood China e-commerce market full platform monitoring data, as of April 7, OPPO Find X6 Pro sales increased by 129% year-on-year compared with the same period of the previous gener...[Details]
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On the evening of March 20, according to the annual report released by Fudan Microelectronics, the company achieved operating income of 2.577 billion yuan in 2021, a year-on-year increase of 52.42%; ...[Details]
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China Energy Storage Network:
The reporter recently learned from State Grid Gansu Electric Power that the National Energy Administration issued a "Letter on Clarifying Gansu as the Sending-...[Details]
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Electromagnetic flowmeter has the advantages of high measurement accuracy, strong reliability, good stability, complete functions and long service life. It is developed based on a standardized manufa...[Details]
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ORG 0000H
LJMP START
ORG 000BH
LJMP TIMER0
ORG 0030H
START:MOV SP,#60H
MOV TMOD,#81H ...[Details]
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On June 3, the groundbreaking ceremony for the Harbin Longjiang Student Entrepreneurship Park (Phase I) and the electronic materials industrialization project was held. The project investment entity ...[Details]
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The voltage in the telephone line is 20V. When a call comes in, the voltage of the telephone line rises to 48V and the phone rings. When the phone is picked up to answer, the voltage of the telepho...[Details]
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The first step is to open the 6410 baseboard schematic:
You can see that OK6410 has six buttons:
You can see that the six keys of OK6410 correspond to the pins KEYINT1, KEYINT2, KEY...[Details]
stm32/stm8
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