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The market-oriented development of new energy vehicles has entered a new stage, with sales and penetration rates accelerating in 2021. Data from the China Association of Automobile Manufacturers ...[Details]
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A new report from Flurry Analytics says that 9 out of every 10 smartphones activated in the United States on Christmas Day 2020 were iPhones. According to the data, iPhone 11 was the most activated...[Details]
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Manual image measuring instruments are a type of measuring equipment that is gradually being phased out. Due to manual operation, uncontrollable errors, and the development of the instrument industry,...[Details]
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IC Insights will release its new 2021 McClean Report - "Global Semiconductor Industry Comprehensive Analysis and Forecast" later this month. Part of the new report will study chapters divided by regi...[Details]
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introduction In recent years, we advocate "constant voltage first, then constant current", which will be the mainstream of LED lighting market. After two years of development, it is strictly defined ...[Details]
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1 Basic Methods
Figure 1(a) shows the traditional embedded debugging method: the host PC is connected to the slave embedded system through the serial port, receives debugging information from the e...[Details]
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Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
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Abstract: According to the characteristics of CPLD serial communication between PC as host computer and slave computer, this article introduces the writing of VB program for the host computer; d...[Details]
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According to a report released by IDC, in the second quarter of 2020, the market size of wearable devices increased by 14.1% year-on-year. During the epidemic, consumers' demand for audio wearable de...[Details]
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ZigBee is a low-speed wireless personal area network (LR-WPAN) technical specification specified by the ZigBee Alliance based on the physical layer (PHY) and media access control layer (MAC) define...[Details]
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iOS系统以封闭著称，但2017年创办的安全公司Corellium却达成创举，可以在台式PC上仿真虚拟这套操作系统。 In 2018, Apple tried to acquire Corellium, but the deal failed, and the former sued for copyright infringement. However, a court rul...[Details]
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IT Home reported on November 29 that the latest data released by market research firm CINNO Research showed that among the top five brands in the Chinese smartphone market in October this year, ...[Details]
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Active power: In an AC circuit, the part of power that is consumed by the resistor and cannot be reversibly converted (such as converted into heat, light, or mechanical energy) is called active power;...[Details]
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#include
#include intrins.h
#include math.h
#define uchar unsigned char
uchar co de tab1 ={0xfe,0xfd,0xfb,0xf7,0x7e,0x7d,0x7b,0x77,0xbe,0xbd,0xbb,0xb7,0xde,0xdd,0xdb,0xd7};
uchar keyscane();
vo...[Details]
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DELIXI inverter is a speed control device widely used in the field of industrial automation. Its main function is to achieve precise control of motor speed by changing the power supply frequency of...[Details]
Microcontroller MCU
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