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Zhengwei International Group is a high-tech industrial group dominated by a new generation of electronic information and a complete industrial chain of new materials. Last year, it ranked 111th in th...[Details]
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1. Function
Key prompt sound: When the user presses an independent key, the buzzer emits a prompt sound and the key value is displayed on the digital tube.
2 Schematic diagram
...[Details]
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The circuit is shown in the figure. Its core device IC1 is TOP221 , a three-terminal high-voltage switch integrated circuit, which integrates a voltage-type pulse width modulation oscillator, a ref...[Details]
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On September 5, 2019, the 22nd Chengdu International Auto Show opened. The theme of this auto show is "Intelligent Chengdu, Happy Driving". The auto show attracted more than 130 auto brands including...[Details]
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持续测量 AC-DC 和 DC-DC 转换器的性能可能是一项极具挑战性的任务。
随着设计师努力从硅基电源转换器过渡到碳化硅 (SiC) 和氮化镓 (GaN) 等宽禁带半导体，这些挑战变得尤为棘手。电机驱动器等三相系统的设计师面临更多复杂问题。
Fortunately, they can use the latest benchtop oscilloscop...[Details]
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Continue from the previous article "1. A simple nRF51822-driven Tianma 4-wire SPI-1.77-inch LCD color screen DEMO" We found that the speed of driving the 1.77-inch spi with the nRF51822 with a 16MHz...[Details]
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In recent years, LED electronic display screens have attracted increasing attention as a high-tech product. They can display text, graphics and image information in real time or in a loop. They have ...[Details]
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introduction: The front panel of many instruments is usually a mixed interface composed of many knobs and buttons. There are usually two types of knobs on the front panel of traditional instruments. ...[Details]
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By Majid Dadafshar, ON Semiconductor The automotive industry is going through one of the biggest periods of change in history as powertrains evolve from internal combustion engines (ICE) to...[Details]
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SBUF---Serial port data buffer register
The MCS-51 serial port has two physically independent serial data buffer registers SBUF, and these two buffer registers share an address 99H (they are both byt...[Details]
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Applied Materials Releases First Quarter Fiscal Year 2022 Financial Results
Record quarterly revenue of $6.27 billion, up 21% year-over-year
The quarterly GAAP oper...[Details]
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With the rapid development of power electronics technology, power ICs have been widely used. At present, power ICs are widely used in almost all electronic devices such as various terminal devices ...[Details]
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In the book "Zero to One", Silicon Valley venture capital godfather Peter Thiel believes that innovation is not from 1 to N, but from 0 to 1. Things that everyone knows how to do will only ch...[Details]
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Run the LED program on the mini2440 (S3C2440) board to make GPB5 output low level and light up the LED. Simulate code in ISRAM 1. The complete program of Led_on.s is as follows code: ------...[Details]
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ECU diagnosis and flashing solutions
ECU (Electronic Control Unit) is the core component of the automotive electronic control system, responsible for monitoring and controlling the o...[Details]
Analogue and Mixed Signal
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