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This paper proposes a design scheme of LED dot matrix handwriting screen based on PIC microcontroller. This scheme uses PIC 16F877A microcontroller as the main core control component and designs a 32...[Details]
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If you were to take a self-driving car on the road without a safety officer , and it was driving at high speed, what would you be most concerned about? Worried that the car would get lost? Drive too ...[Details]
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Due to the limited understanding of the working principles of switching devices and main circuit structures and the lack of detection methods, the reliability of the switching devices of high-power i...[Details]
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The first part of the parallel port transmission displays Chinese and English The main functions are as follows: First: write an LCD_write function to send data to the LCD. According to the timing di...[Details]
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Most semiconductor manufacturers often overlook the integration of the secondary side of AC/DC redundant power supplies, resulting in numerous discrete components such as operational amplifiers, tr...[Details]
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The speed and complexity of high-speed buses are constantly increasing, and the speed of increase is tending to be faster and faster. In order to increase the communication rate, multiple high-spee...[Details]
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In the factory production process, the barcode comparison and error prevention management process is a key link to ensure product quality and production efficiency. With the continuous expansion of...[Details]
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1. Instrument Model Keysight N9020A Spectrum Analyzer 2. Fault phenomenon: The fault reported by the customer was out of tolerance. 3. Detailed explanation of the testing process As a rule, the f...[Details]
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In October 2019, Microsoft released the Surface Pro 7, Amazon released the Kindle Fire HD 10, and Sony also announced its latest Play Station 5; these three devices belong to PC, tablet and game cons...[Details]
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The rapid development of digital signal processing technology and large-scale integrated circuit technology has provided us with new ideas and methods for designing digital circuits. The current di...[Details]
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Yang Xudong from the Ministry of Industry and Information Technology: my country's integrated circuit industry development has entered the fast lane, with an annual compound growth rate of more than ...[Details]
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As shown in Figure 2, the parallel port P1 of AT89S51 is connected to a 4×4 matrix keyboard, with P1.0-P1.3 as input lines and P1.4-P1.7 as output lines; the "0-F" serial number of each key is disp...[Details]
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Huawei announced today that it will hold a full-scenario smart life launch conference on July 30 (Thursday), launching four new products including MateBook D 15 2020 Ryzen Edition, MatePad 10....[Details]
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The new Intel A380 graphics card delivers next-generation technology for mainstream gamers and content creators. Intel announced the launch of the first A3 series graphics card for desktops, the In...[Details]
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The vehicle control system and battery management system of a pure electric vehicle are two crucial systems in the vehicle, each of which has different functions.
1. Battery Management S...[Details]
Real-time operating system RTOS
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