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● Waterproof, dustproof, explosion-proof, shockproof, intrinsically safe circuit design, anti-static, anti-electromagnetic interference, Passed national standard test and CMC measuring instrument pro...[Details]
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introduction
For a long time, soil temperature and moisture have been the focus of agricultural research. As the two basic properties of soil, slight changes in soil temperature and moisture wi...[Details]
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POS machines can be divided into handheld POS machines, desktop POS machines, and mobile phone POS machines according to the model. Handheld POS machines, also known as mobile points of sale, are s...[Details]
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Corning Incorporated announced that Corning® Astra™ Glass has won the Gold Panel Award for Display Component Product Technology at Touch Taiwan 2019. Corning will showcase Astra Glass and other indus...[Details]
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Most of the major solar industry companies' performance in the first half of 2016 was not very good, but the German solar inverter giant SMA Solar's profit performance in the first half of the year...[Details]
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There are still many USBasp or USBisp 51/AVR programmers on Taobao, which use open source USBasp hardware, PROGISP software or other download software. In fact, we can easily change them to STK502 ...[Details]
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RFC circuit design and analysis
The new multiplexed folded cascode operational amplifier is improved on the basis of the folded cascode operational amplifier in the literature. As shown in the...[Details]
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In January 1954, the first 220 kV ultra-high voltage transmission line designed and constructed by New China, the 220 kV Song (Fengman) Dong (Dongling) Li (Lishizhai) transmission line, was complet...[Details]
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#include
#define uchar unsigned char
#define uint unsigned int
unsigned char code tab ={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0xFF,0xBF};
sbit P32=P3^2;
sbit P25=P2^5;
sbit P26=P2...[Details]
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MCS-51 uses Harvard structure, its program space and data space are separately addressed, that is, each has its own address space, and they do not overlap. So even if the address is the same, because...[Details]
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1 Introduction
Software radio has developed rapidly with the development of computer technology and high-speed digital signal processing technology. Its basic idea is to place broadband A/D an...[Details]
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According to the "Science and Technology Innovation Board Daily" on September 1, at the 2022 World Artificial Intelligence Conference Chip Theme Forum, Chen Tianshi, Chairman of Cambricon Technologie...[Details]
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There are many types of current probes . Of course, the probes that can only measure AC (strictly speaking: medium and high frequency current) should be based on the principle of AC transformers....[Details]
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In wireless systems, interference in the radio channel can cause many problems for users, reducing the reception rate of the intended signal. Interference can come from intentional, unintentional or...[Details]
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On May 24, the 13th China International Energy Storage Conference, hosted by the China Chemical and Physical Power Sources Association, was held in Hangzhou. With the theme of "Promoting the constr...[Details]