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Recently, the Qingdao Municipal People's Government announced the list of Qingdao's key projects in 2023. Among them, there are 363 key construction projects, 157 key preparation projects, and 13 h...[Details]
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The radio remote control transmitter T630 is a miniature transmitter with built-in open-wire signal. Its transmission frequency is 265MHz. When powered by 12V power supply, the remote control dista...[Details]
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How to control and improve the reliability and quality of vacuum environment operations in the future, and avoid the problem of equipment not working due to high vacuum environment? Modern factorie...[Details]
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If there is a global event that is full of big names, technology, and great anticipation, what would it be? That's right, the 4th China International Import Expo opened grandly yesterday! Internati...[Details]
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The photoelectric encoder is a digital sensor that integrates optical, mechanical and electrical technologies. It can measure the rotation angle or linear displacement of the object being measured ...[Details]
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According to DigiTimes, the first version of Apple's self-developed 5G modem (also known as baseband) does not support millimeter wave technology. This means that Apple may continue to rely on its ...[Details]
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China Energy Storage Network News:
On June 17, Beijing time, the International Seminar on New Energy Development and Technology, co-hosted by State Grid Corporation of China and the Internati...[Details]
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At present, the campus broadcasting system is developing towards digitalization, networking and intelligence. According to market demand and prospect forecast, the production of campus teaching wir...[Details]
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The magnetic column level gauge is also called the magnetic flap level gauge. Its structure is mainly designed and produced based on the principles of buoyancy and magnetism. The position of the floa...[Details]
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Integrated voltage stabilizers can be roughly divided into three-terminal fixed type, three-terminal adjustable type, multi-terminal adjustable type and single-chip switching type according to ...[Details]
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Light-emitting diodes ( LEDs
),
which are gradually replacing traditional incandescent bulbs and fluorescent lamps
, have advantages such as low pollution, low power consumption, high ...[Details]
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If the engine is compared to the heart of a fuel vehicle, then the battery is the core of life for new energy vehicles. In other words, whoever breaks through the key technologies of new energy vehic...[Details]
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Thin-film solar cells are usually made of solid glass, which greatly limits the development of portable solar cells. Although flexible versions exist, they require very professional manufacturing p...[Details]
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This is a program controlled by two C51 chips. The first one is the alarm timer:
Code:
#include at89x51.h
unsigned char a ={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
unsigned cha...[Details]
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Potentiometer is a variable resistor. It is usually composed of a resistor and a rotating or sliding system, that is, a moving contact moves on the resistor to obtain a partial voltage output. Accord...[Details]
ST - Low Power RF
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