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Startup file head.S source code: @****************************************************** ************************ @File:head.S @ Function: Set up SDRAM, copy the program to SDRAM, and then jump to SD...[Details]
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#include reg52.h #define KEYPORT P1 #include "./delay/delay.h" sbit seg_select = P2^0; //segment selection sbit bit_select = P2^1; //bit selection #define SEGPORT P0 unsigned char segdata ...[Details]
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In recent years, many hotels have been exposed to have installed micro cameras to secretly film guests. In this environment, personal privacy is not guaranteed. To this end, the ColorOS team ...[Details]
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LED fill light uses LED light emitting diodes to fill light for the subject. LED lights are generally used in camera phones or digital cameras due to their low energy consumption and high brigh...[Details]
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People familiar with the matter told Bloomberg that Arm Ltd., a semiconductor design company owned by SoftBank Group, has now attracted acquisition interest from Nvidia. Nvidia has held talks i...[Details]
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As shown in the figure, J1 is the No. 1 and No. 2 terminals of the instrument. VD3, C7, C9, etc. rectify and filter the AC voltage output by the low-voltage winding of transformer T1, and then outp...[Details]
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Introduction
With the continuous application of contactless logic encryption cards, the shortcomings of its technology are increasingly exposed, and it is difficult to meet the needs of higher ...[Details]
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This paper mainly describes the design of the pulsating vacuum sterilizer control system with STC89C52 single-chip microcomputer as the core, and gives the implementation principle, hardware comp...[Details]
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0 Introduction
Acoustic emission (AE) refers to the phenomenon that a material emits transient elastic waves due to the rapid release of energy locally, also known as elastic wave emission...[Details]
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1. ADC related function configuration /*Function name: Init_ADC *Function: Initialize ADC *Entry parameters: None *Function returns: None *ADC1_CONVERSIONMODE_CONTINUOUS: continuous conversion ...[Details]
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Preface
With the development of communication technology, standardized baseband-RF interface has attracted more and more attention from manufacturers. In recent years, CPRI, OBSAI, and TDRI interface...[Details]
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Common digital multimeters are equipped with buzzers for checking continuity. We lead out the buzzer signal in the meter and turn it into a signal generator. Since this signal generator has rich vibra...[Details]
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Factors affecting basic iron loss
To analyze the problem, we first need to know some basic theories, which will help us understand. First, we need to know two concepts. One is alternating magn...[Details]
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WPG Launches 6.6kW Electric Vehicle On-Board Charger Solution Based on Onsemi Products
On May 5, 2022, WPG Holdings, a leading semiconductor component distributor dedicated to the As...[Details]
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On October 24, OPPO, the world's leading smart terminal manufacturer,
released its latest flagship mobile phone Find X8/X8 pro, which features a thin and light straight screen and imaging flags...[Details]
MicroPython Open Source section
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