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At present, lithium-ion batteries mainly include square lithium batteries , cylindrical lithium batteries , and soft-pack lithium batteries . The outer shells of square and cylindrical batteries are ...[Details]
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1. Circuit Design This circuit consists of AT89C51 minimum system, 74HC595 shift register, 8*8 dot matrix LED screen and buttons. 74HC595 displacement register 74HC595 is an 8-bit serial input and ...[Details]
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In LED lighting applications, non-isolated BUCK switching power supplies are favored by many customers due to their high efficiency, and they occupy a part of the market share. Represented by SN3910...[Details]
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For many people who want to buy electric cars, battery life has always been a worrying issue. Battery technology may not be developed to the point where electric cars have the same mileage as fuel ca...[Details]
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Running Tests
Performing the tests in the order in which they appear in the Basic Programming Guide is a viable approach to testing a dual inflator airbag module. As mentioned previously, the shunt...[Details]
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With the development of global intelligent transportation technology (ITS), like many technologies, the piezoelectric sensors developed and produced by MSI Sensors in the United States have made g...[Details]
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#include
#define uint unsigned int
#define uchar unsigned char
sbit DQ=P2^0;//P2^0
uchar code tab ={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};//without decimal point
uchar code tab1 ={0...[Details]
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DMS (Driver Monitor System) is the abbreviation of driver monitoring system, which refers to the information technology system that monitors the driver's fatigue state and dangerous driving behavior ...[Details]
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Abstract: This paper introduces the design of a communication module of USB bus and CAN bus based on DSP CAN controller and USB chip, and proposes a scheme to connect CAN bus network with computer ...[Details]
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The inductor regulation volume design method is based on the regulation requirement. The main formula is as follows (derivation omitted):
Effective magnetic permeability
Where P
...[Details]
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According to South Korean media reports, LG Energy has developed the NCMA quaternary lithium battery , which will be delivered in large quantities to Tesla cars in 2021 . LG Energy said the batter...[Details]
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Ultrasonic ranging module parameters
Internal circuit diagram of ultrasonic ranging module
Ultrasonic distance measurement module and 51 single chip microcomputer connectio...[Details]
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The global wave of digitalization is unstoppable, and competition among companies in the semiconductor field is becoming increasingly fierce. In yesterday's Intel earnings call, Intel CEO Pat Gelsi...[Details]
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As an intuitive liquid level measurement system, the side-mounted magnetic flap level gauge uses mechanical and magnetic coupling effects to measure the instrument. In addition, it is very convenient...[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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