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According to foreign media reports, starting around 2010, a large number of new commercial drone companies have flooded into the market, with abundant venture capital and a dazzling vision of drones ...[Details]
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1 Introduction CAN, the full name of which is "Controller Area Network", is an international standard, cost-effective fieldbus that plays an important role in the field of automatic control. CA...[Details]
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1 System Architecture
1.1 System Requirements and Overall Scheme Design
The system has various types of electric energy meters such as single-phase, three-phase, mechanical and electronic. ...[Details]
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一、Basic knowledge： Radiated emission - referred to as RE , detects the radiation interference emitted by the product. The international standard refers to CISPR25, and the national standard refer...[Details]
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1. Internal Principle of Relay
The interior of a relay consists of two parts: a coil and contacts.
When the coil is de-energized, the common is connected to the normally closed contact (N...[Details]
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High performance infrared remote control switch circuit
The transmitter uses 555 connected as a multivibrator, the oscillator frequency is 35KHZ, driving the infrared transmittin...[Details]
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introduction
In 2002, David Berson and others from Brown University in the United States discovered a third type of photoreceptor cell on the retina of mammals, which mainly plays a role i...[Details]
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Abstract: Several types of synchronous rectification technologies are introduced, and they are analyzed and compared. It is pointed out that the synchronous rectification technology using resonance an...[Details]
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Recently, NVIDIA held an offline media communication meeting to explain in detail the new changes, new technologies, integrated software and hardware stacks of the two products NVIDIA Omniverse and N...[Details]
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This chapter focuses on the io port operation of avr microcontroller. Many friends have gone from 51 microcontroller to embedded system, and experienced some conversions such as 51->430 51->pic 51->av...[Details]
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Texas Instruments today released its second quarter financial report for fiscal year 2020. The report shows that Texas Instruments' second quarter revenue was $3.239 billion, down 12% from $3.668 bil...[Details]
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On March 1, the State Council Information Office held a press conference, at which Minister of Industry and Information Technology Xiao Yaqing introduced the development of industry and information t...[Details]
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On the afternoon of April 11, 2021, the "AI Excitement·Hardware Leap 2021 Tablet Industry Empowering Education Innovation Summit" co-organized by Core Intelligence and Core Bake was successfully ...[Details]
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On October 13, the People's Government of Baicheng City issued the "Work Plan for Vigorously Implementing the "One, Three, Three, Four" High-Quality Development Strategy to Accelerate the Developme...[Details]
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From the previous uboot code analysis, we know that the uboot startup has three steps: BL0, BL1, and BL2. Since BL0 is a fixed program provided by the manufacturer, it does not need to be considere...[Details]
RF/Wirelessly
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