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The working principle of ultrasonic level meter is that the ultrasonic transducer (probe) emits high-frequency pulse sound waves, which are reflected and folded back when encountering the surf...[Details]
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In order to support audio customers' product iteration and chip selection and speed up product development, Xinfei Electronics has designed a digital audio processing solution with modular amplifie...[Details]
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51 MCU Common Development Tools Hardware tools: soldering iron, multimeter, dual-trace oscilloscope, logic analyzer, DC regulated power supply, etc. software tools: Keil: It is best to choose v...[Details]
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The calibrated on-chip RC oscillator provides a fixed 8.0 MHz clock. This is the nominal value at 3V, 25°C. The CKDIV8 fuse is programmed when the device is shipped from the factory. See P31 "System ...[Details]
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The world's first manned intelligent split flying car Recently, Beijing Institute of Technology and a number of units jointly released the world's first manned two-seater intelligent split flying ...[Details]
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#include stc90.h #define uchar unsigned char uchar code shuzi ={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xc0};//0 1 2 3 4 5 6 7 8 9 0 uchar code shuza ={0xc0,0xf9,0xa4,0xb0,0x99,0x92,...[Details]
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0Introduction
There are many methods for measuring frequency and pulse width. Usually, the signal parameter measurement based on MCU has a low accuracy because the MCU has a low operating freq...[Details]
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With the overall progress of technology in the field of automotive electronics and electrical appliances, electronic truck scales have been widely and deeply popularized and applied in various indu...[Details]
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First of all, I2C and SMBus are compatible. I have personally tested that communication is possible by changing the initialization to SMBus or I2C. These days, the teacher insisted ...[Details]
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On the afternoon of November 10, 2022, Chen Jiashu, founder and CEO of Catland Microelectronics, attended the 2023 China Automotive Supply Chain Summit and brought to the summit sharing about the thr...[Details]
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Q: The pipeline is old and the inner wall of the pipeline is seriously scaled. The ultrasonic flowmeter cannot receive the signal or the signal is too weak when measuring. How to solve it?
A: Che...[Details]
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The full name of the equalizer is room equalizer. It is widely used in audio systems, but in most cases, it does not play its due role. It is an electronic device that can adjust the amplification ...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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Zos Automotive Research Institute released the "2024 Beijing Auto Show New Four Trends Analysis Report", which summarizes and analyzes from three dimensions: OEM, intelligent driving &
sensor
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DC-AC power supply (10kv) conversion circuit
As shown in the figure, LM555, R6~R9 and C1 form a multivibrator to generate a square wave pulse of about 15kHz. R7 and R9 are adjustable res...[Details]