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Radar level meter is a measuring instrument based on the time travel principle. Radar waves run at the speed of light, and the running time can be converted into a level signal through electronic com...[Details]
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For the upcoming iOS 14, ordinary users are very concerned about this new system, and of course they are also concerned about whether their devices are on the upgrade list. According to forei...[Details]
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Currently, full-screen mobile phones come in a variety of forms, from notch screens, water drop screens to punch-hole screens. There are corresponding products for each screen form factor. Recently, ...[Details]
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The ARM instruction set can be divided into data processing instructions, jump instructions, Load/Store instructions, program status register transfer instructions, coprocessor instructions, and exce...[Details]
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0Introduction
With the development and popularization of radio technology, "frequency" has become a physical quantity familiar to the general public. The emergence of single-chip microcomputer...[Details]
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1 Introduction
At present, embedded systems have been widely infiltrated into people's work and life. From household appliances, information terminals, handheld communication devices to in...[Details]
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With the continuous development of high-tech, various devices have entered the high-end stage. As a reserve force, power circuits have also made significant progress. Specifically, taking a ty...[Details]
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Sina Technology News Beijing time, December 21 morning news, according to foreign media reports, Motorola has postponed the launch of its foldable Razr smartphone in North America, saying that d...[Details]
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Light waves are generated by electrons moving inside atoms. Since the movement of electrons inside atoms of each substance is different, the light waves they emit are also different. Studying the e...[Details]
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The reasons for the MCU program crashing and running away can be found from the following aspects:
1. Unexpected interrupt. Is an interrupt turned on, but there is no response and no clearing ...[Details]
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The previous article shared a 0-10V sensor signal acquisition circuit. In order to expand the thinking of solving problems in circuit design, this article will introduce you to a 0-10V acquisition ci...[Details]
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STM32 has 43 channels of settable interrupt sources; AIRC (Application Interrupt and Reset Register) register has
4 bits for specifying priority.
/* Preemption Priority Group -----------------------...[Details]
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The infrared remote control transmitter chip adopts PPM encoding. When the transmitter button is pressed, a set of 108ms encoding pulses will be emitted. The remote control encoding pulse consists ...[Details]
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introduction
For a long time to come, my country's power grid will continue to be short of power, with large voltage fluctuations and serious interference. The rapid development of various ind...[Details]
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Automotive relays are an important electronic component, commonly used for switch control in automotive circuits, such as lights, horns, electric windows, etc. This article will introduce the princ...[Details]
Power technology
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