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Nickel-cadmium batteries are newly developed secondary batteries in recent years. They are small in size and have large discharge current. Generally, nickel-cadmium batteries can be recharged more th...[Details]
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1. Inspection and maintenance of bistable refrigerator solenoid valve (1) Use a multimeter to check the solenoid valve coil resistance, which is about 2K or above (the resistance value varies acc...[Details]
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Half Adder 1
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
ENTITY halfadder IS
PORT (A,B:IN STD_LOGIC;
Co: out STD_LOGIC;
S: out STD_LOGIC);
end halfadder...[Details]
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The traffic light program in assembly language uses a 51 single-chip microcomputer, which basically completes the control of two sets of traffic lights to light up alternately. Each intersection...[Details]
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According to official news from Meizu, the Flyme 8 trial version was updated today, adding new functions such as smart WeChat picture selection and volume adjustment, and making the alarm settings mo...[Details]
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introduction
With the improvement of people's living standards, buses, cars and other means of transportation are becoming more and more popular as people's means of transportation. The demand fo...[Details]
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At present, most of the trolley speakers are powered by 12V lead-acid batteries. Due to the limitation of power supply voltage, it is difficult to substantially increase the output power of the spe...[Details]
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In STM32, when using any peripheral, the corresponding clock must be turned on, so I started with the STM32 clock. RCC Clock There are 5 clock sources in STM32: ①. HSI is a high-speed internal clo...[Details]
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With the continuous updating and development of speech recognition and speech synthesis technology, the application of speech recognition technology in embedded products has been widely used. S...[Details]
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LED is recognized as the "green lighting" of the 21st century, and its significance is particularly prominent in functional lighting applications such as road lighting, tunnel lighting, and public...[Details]
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introduction
This paper proposes a network broadcast design scheme for embedded systems based on ARM and PoE. The scheme uses the ARM926EJ-S processor and its peripheral modules as the har...[Details]
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Due to the characteristics of LED light sources such as high luminous efficiency, low power consumption, long service life, strong safety and reliability, and environmental protection, they have be...[Details]
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As one of the most common control systems in our lives, Zhishi Classroom has explained the application, characteristics and classification of stepper motors. Friends must be curious about how stepp...[Details]
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1. Introduction
The problem with traditional solar street light drivers is that the battery life is short, and the boost converter does not have any protection device to prevent short circui...[Details]
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#include linux/module.h
#include linux/kernel.h
#include linux/errno.h
#include linux/string.h
#include linux/mm.h
#include linux/slab.h
#include linux/vmalloc.h...[Details]
PCB Design
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