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When charging piles were included in the seven major projects of new infrastructure in 2020, people seemed to see that a trillion-yuan market was about to be tapped, and more than 26 provinces and ci...[Details]
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1. Introduction In actual radio and television transmission work, the entry test of new transmitters and the daily indicator test of transmitters all involve audio testing. The audio spectrum analyze...[Details]
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Introduction LED street lights are semiconductor lighting lamps that use light-emitting diodes as light sources. Because they are a solid-state cold light source, they are environmentally friendly,...[Details]
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Over the years, several innovative power factor correction (PFC) technologies have been introduced. One of the first was active power factor correction using a boost topology. Active power factor c...[Details]
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0 Introduction
Temperature is an important thermal parameter, and it is required to realize real-time automatic monitoring and control of temperature in many occasions in industrial production...[Details]
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To study the writing of bare metal programs, a "completely naked" environment is necessary. The friendly superboot can provide the ability to execute user-defined programs, but in fact, the program...[Details]
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1. Serial communication concept 1. The role of serial communication Serial communication is mainly used for communication between the microcontroller and external devices. The 51 microcontroller itse...[Details]
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Switch Mode Power Supply (SMPS), also known as switching power supply or switching converter, is a high-frequency power conversion device and a type of power supply. Its function is to convert a volt...[Details]
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DDR Memory History
DDR memory has become increasingly important and widely used as RAM (Random Access Memory) is required in almost all applications that require fast processing of large...[Details]
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Metros are urban rail transit systems with complex internal environments and concentrated passenger flow all over the world. In addition to the hard work of the subway staff, the normal and orderly...[Details]
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XMOS demonstrated its fourth-generation xcore platform, using a RISC-V compatible architecture. The collaboration provides the flexibility to define the entire system in software, enabling RISC-V pro...[Details]
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introduction
At present, data acquisition systems based on PCI boards and ISA boards are still used in industry and many other occasions. They are expensive and inconvenient to connect. US...[Details]
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0 Introduction
At present, most ultrasonic therapeutic devices (physical therapy type) at home and abroad generally work in the form of continuous sine wave (1-3 MHz) or pulsed sine wave (low freque...[Details]
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The commonly referred to JTAG can be roughly divided into two categories:
one is used to test the electrical characteristics of the chip and detect whether the chip has problems;
the other is used f...[Details]
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On October 24, Bloomberg reported yesterday that Arm plans to cancel the license that allows its long-term partner Qualcomm to use Arm intellectual property to design chips.
Today, analy...[Details]
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