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1. Experimental Purpose STM32 communicates with the host computer through the serial port. After receiving the string sent by the host computer, STM32 returns it to the host computer intact. 2. ...[Details]
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1. 8051 MCU internal parallel interface
2. Internal resources of MCS-51
3. MCS-51 chip pins
Figure 1-8 MCS-51 pin diagram
4. How does the microcontroller work?
The working modes o...[Details]
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After ARM enters the exception mode, it accesses the registers of each mode. The access between modes (excluding user mode) is done by modifying CPSR and entering another mode. The CPY SET between ...[Details]
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According to customs statistics on June 7, in the first five months of 2024, the total value of my country's import and export of goods trade (hereinafter referred to as "import and export") was 17...[Details]
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1 Introduction
Normally, the routine aging of equipment is to connect the equipment to a simulated load for simulated work. Of course, energy is consumed on the simulated load, and this consum...[Details]
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#include "stm32f10x.h" #include #define SCL_H (GPIOB- BSRR = GPIO_Pin_6) #define SCL_L (GPIOB- BRR = GPIO_Pin_6) #define SDA_H (GPIOB- BSRR = GPIO_Pin_7) #define SDA_L (GPIOB- BRR = GPIO_Pin_7)...[Details]
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The frequency converter is an electric power control device that uses frequency conversion technology and microelectronics technology to control AC motors by changing the frequency of the motor's w...[Details]
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1 Introduction
At present, high-frequency switching power supplies have been widely used in electronic equipment such as computers, communications, and radio and television. The main trans...[Details]
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Samsung's ARM11 CPU uses the ARM core version ARM1176JZF-S, based on the ARM V6 architecture. ARM11 includes CP14 and CP15 coprocessors. For a detailed introduction to ARM11's coprocessors CP14 and ...[Details]
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Maxim's MAX921 is an input unidirectional 49Ω current-sense amplifier (CSA) with an input range from 0V to 70V and a common-mode range as low as 42V and as high as +80V. With low input current protec...[Details]
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According to techweb, Phil Kendall, an analyst at research and consulting firm Strategy Analytics, said on Twitter that relevant data showed that by December last year, a total of 4.67 million 5G dev...[Details]
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Introduction The AIS system is a collision avoidance system that uses TDMA technology to exchange data in the maritime mobile VHF band. It is one of the equipment that every ship must be instal...[Details]
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#include
#include
void delay(unsigned int);
void main(void){
P1=0xaa;
while(1){
P1=_crol_(P1,1);
delay(500);
}
}
void delay(unsigned int xms){
unsigned int i,j;
for(i=x...[Details]
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Linear motor control method
The control methods of linear motors can generally be divided into the following categories:
Open-loop control: The position and speed of the linear motor can ...[Details]
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X-rays are generated by high-energy electrons moving at a reduced speed in matter or by the transition of electrons in the inner orbit of atoms, so they have strong penetrability and are widely used ...[Details]
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