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1. Working principle of air conditioning system
In the steam compression refrigeration system, the compressor, condenser, throttling device and evaporator are four essential components.
...[Details]
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1. The serial port part introduced has the following advantages and disadvantages: Advantages: Simple, suitable for small amounts of data transmission. (This is the only advantage required. In fact, ...[Details]
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We have already set the interrupt vector table and the processor mode. The next step is to turn off the watchdog. Watchdog is a very common thing in embedded systems. It is a pre-made hardw...[Details]
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Today, global lighting electricity consumption accounts for about 18% of the total annual electricity consumption. The conflict in the Russia-Ukraine war in 2022 caused energy costs to rise. The de...[Details]
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#include
#define uchar unsigned char
#define uint unsigned int
uchar Table ={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
uchar Send_Da ta...[Details]
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For really heavy equipment: Rutronik offers the Vishay 981 HE precision potentiometer product series
Reliable and accurate even in harsh environments: Vishay's 981 HE series precisio...[Details]
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1. Introduction
In many literatures , although it is pointed out that the interrupt priority of the MCS-96 series microcontroller can be changed by software, no in-depth explanation is given. I...[Details]
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When all system initialization work is completed, it is necessary to transfer the program flow to the main application, that is, call the main application. The simplest case is:
IMPORT main ...[Details]
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【Power supply circuit】
Hardware circuit, about
The output voltage range of LM117 is 1.25-37v continuously adjustable, the maximum current is 1.5A, and it is a three-terminal adjustable ...[Details]
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The memory structure of the AT89S52 microcontroller is divided into four parts: on-chip program memory, off-chip program memory, on-chip data memory, and off-chip data memory.
1. Program memory
...[Details]
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Editor's note: On December 16, the AutoHeart "2022 Smart Car Technology and Business Innovation Forum" was successfully held. With the theme of "New Technology and New Business", it focused on car in...[Details]
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The MAX9888 is a complete audio codec that combines high performance with low power consumption for portable applications.
The Class D speaker amplifier provides efficient amplification of two spea...[Details]
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Eyes provides advanced and affordable 2.5D vision that adds depth perception and part recognition capabilities to all leading robot arms, offering seamless integration, single-image calibration, intu...[Details]
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0 Introduction
Massage equipment can be divided into many categories according to their functions, such as massage belts, massage beds, massage chairs, and massage cushions . In actual use, du...[Details]
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In our previous blog notes, we have explained how improving the efficiency of electric vehicle powertrains can increase their range (Note I) and how better software controlling inverters and electr...[Details]
Analog electronics
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