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1. Analysis of the reasons for the failure of assembly software assembly:
Here we use the macro assembler A51 in the Keil C51 software package as the compiler. When writing the assembly langua...[Details]
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Abstract: The general characteristics of CMOS image sensors are explained, the performance and usage characteristics of CMOS black and white image sensing chip OV5017 are introduced in detail, a...[Details]
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The physical picture produced is as follows: The schematic diagram and PCB diagram drawn by Altium Designer are as follows: The microcontroller source program is as follows: /*****************...[Details]
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According to data released by the China Passenger Car Association, the global penetration rate of new energy vehicles has shown a rapid upward trend, reaching 14% in the first half of 2023. The gro...[Details]
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The capacitor is connected to a high level at the top, the resistor is connected to the ground at the bottom, and the middle is RST. The working principle of this reset circuit is: when the power is ...[Details]
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On February 1, Mantianxin reported that amid the current global chip shortage, Samsung Electronics expressed its intention to acquire an automotive semiconductor company. According to Korean media ...[Details]
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introduction
In the power grid system, the circuit breaker is one of the core components. To ensure performance, the mechanical characteristics of the circuit breaker must be kept within a cer...[Details]
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// Calculate the day of the week for any day between 2000 and 2099
// year : 00-99
// month: 01-12
// day : 01-31
unsigned char GetWeekFromDay(unsigned char year,unsigned char month,unsigned char day...[Details]
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#define GLOBAL_CLK 1 #include "def.h" #include "option.h" #include "2440addr.h" #include "profile.h" #define LCD_WIDTH 320 //Screen width #define LCD_HEIGHT 240 //Screen height #define CLKVAL 4 /...[Details]
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Recently, the China Electricity Council announced the results of the 2019 Electric Power Innovation Award. The project "Resistant Measurement Processing and Online Safety Analysis Technology and Ap...[Details]
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1. The casing must be grounded For safety reasons, the oscilloscope housing must be grounded. Before powering on, check whether the power cord is worn, broken, or has exposed wires to avoid electric ...[Details]
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Today, Amazon Web Services (AWS) announced new Amazon EC2 instances powered by custom 4th generation Intel® Xeon® Scalable processors . This announcement is the latest in a growing number of instance...[Details]
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LED
的应用面很广，然而芯片本身价格过高和发
光效
率有待提升的问题，始终困扰着
LED照明
技术的推广普及。发光效率要提升，就要有效增加取出效率。而LED的发光顏色和发光效率与制作LED的材料和工艺有关，制造LED的材料不同，可以产生具有不同能量的
光子
，藉此可以控制LED所发出光的波长，也就是光谱或顏色。
1. Transpar...[Details]
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The test indicators of amplifiers can be divided into two categories: linear indicator test and nonlinear indicator test. The test of linear indicators is based on the measurement of S parameters and...[Details]
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On November 5, the Ningxia Autonomous Region Development and Reform Commission issued a notice on promoting the healthy development of energy storage.
The document proposes to strictly impleme...[Details]
RF/Wirelessly
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