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Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
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introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
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I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
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As a type of iron battery, lithium iron phosphate battery (hereinafter referred to as lithium iron battery) has always been widely concerned by industry friends (some people say that lithium iron b...[Details]
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illustrate]
This method has
the characteristics of small
ROM
occupation
and fast operation speed, with a range of
2000
ßà
2099
,
a total of
...[Details]
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Electrolyte is one of the core materials that constitute the capacity of lithium secondary batteries and lithium primary batteries that are the energy sources of mobile phones, notebooks, video rec...[Details]
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1 Introduction
Fieldbus technology is one of the hot spots in the development of automation today, and is an important technology for realizing industrial control networking. Many automation c...[Details]
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With the development of military equipment, its functions are becoming more and more powerful, the equipment is becoming more and more complex, and the requirements for test systems are becoming highe...[Details]
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1. Disposable battery: thrown away after use and cannot be reused.
Carbon zinc batteries, alkaline batteries, paste zinc manganese batteries, cardboard zinc manganese batteries, al...[Details]
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Infrared technology has been widely used in speed measurement systems, and many products have used infrared technology to achieve vehicle speed measurement, detection and other research. When infra...[Details]
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At present, IIC and other serial output real-time clocks are mostly used, but most MCUs do not have hardware IIC
and
can only be simulated through IO. If the MCU is read once per second, it wil...[Details]
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Angle sensors are often used in measurement and control systems to collect various angle parameters or measure the speed of rotating mechanisms. At present, some angle sensors with mature technolog...[Details]
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Beijing time, June 28 evening news, Qualcomm (Weibo) CEO Paul Jacobs said on Wednesday that he would not rule out the possibility of building a chip factory or using the company's cash to ensure the s...[Details]
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Compared with other air conditioning systems, ground source heat pump systems have outstanding advantages. Since the temperature deep in the ground remains unchanged all year round, it is much higher ...[Details]
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Lithium-ion batteries, which have the advantages of high voltage, high capacity, long cycle life and good safety performance, have broad application prospects in portable electronic devices, electr...[Details]