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Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
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Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
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Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
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Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
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Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]
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DigRF
is
poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices:
analog
signaling, and proprietary digital signaling (paralle...[Details]
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1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
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Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]
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The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
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1. Design topic:
Design a simple electronic keyboard that can produce seven notes: 1, 2, 3, 4, 5, 6, and 7.
Components used: AT89C51, LM324, speakers, buttons, etc.
2. Design Pur...[Details]
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3. Driving circuit design
The power driver uses a field effect tube, which is a field-controlled device with a capacitance effect between the gate and source, so it has high requirements for t...[Details]
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introduction
As the application of single-chip microcomputers in various fields becomes more and more extensive, the requirements for their reliability are also getting higher and higher. The ...[Details]
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Traditional UPS uses analog circuit control. For manufacturers and users, analog control has many limitations, whether it is phase control technology or SPWM technology. With the development of inf...[Details]
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With the development of modern science and technology, the demand for information is constantly increasing. Satellite navigation and positioning systems have received much attention, and their applica...[Details]
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introduction:
In today's society, the use of cars, especially private cars, has become very popular. The car access control system plays a vital role in protecting the safety of personal p...[Details]
Analog electronics
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