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Sina Digital News reported on the morning of February 4 that investment bank JP Morgan Chase (JP Morgan) analyzed that the rumored Apple virtual reality (VR) device may be released in the first...[Details]
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The new parallel port circuit of the microcomputer is mainly composed of status register, control register, address register, data register, etc. When working in the enhanced parallel port EPP mode ...[Details]
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It is used to measure insulation resistance, commonly known as a megger. There is a generator inside, the commonly used ones are 250v, 500v, 1000v, and 2500v. It is used to measure AC and DC voltag...[Details]
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In view of the influence of temperature/humidity on ammunition storage and the drawbacks of the traditional ammunition depot temperature and humidity monitoring system, an intelligent monitoring sys...[Details]
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LCD liquid crystal display meets the increasing requirements of embedded systems, especially in the fields of industrial control and consumer electronics. It has the advantages of stability...[Details]
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Google is planning to buy a cashless payments company for 20 billion to 30 billion yen ($180 million to $270 million) to enter Japan's financial services market. According to Nikkei News, Google is i...[Details]
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1. Overview of Network Analyzer The correct characterization of electronic circuits operating at high frequencies presents some unique requirements. At high frequencies, the operating wavelength...[Details]
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Process control in industrial production is a major field of flow measurement and instrumentation applications. Flow, temperature, pressure and level are collectively referred to as the four major pa...[Details]
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1. Clock source In STM32, there are 5 clock sources, namely HSI, HSE, LSI, LSE, and PLL. ①HSI is a high-speed internal clock, RC oscillator, with a frequency of 8MHz; ②HSE is a high-speed ext...[Details]
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At the beginning of last month, Samsung Mobile Business President Roh Tae-moon revealed that the company is planning to build a new processor chip to meet the demand for Galaxy series devices. At p...[Details]
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When the MOSFET is turned off, a high voltage spike will appear on its drain. This is caused by the resonance between the leakage inductance of the main transformer and the output capacitance of th...[Details]
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The development of my country's instrumentation industry shows signs of entering a new track. The transformation and upgrading of the instrumentation industry is constantly advancing, and more emergi...[Details]
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With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
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According to Nikkei Asia, Apple plans to produce 96 million iPhones in the first half of 2021, a year-on-year increase of nearly 30%. Apple has asked suppliers to manufacture about 95 million to 96 m...[Details]
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On September 2, 2022, the first technology science variety show "BOE Worry-solving Lab" produced by BOE (BOE Oriental) was fully launched on major video platforms. As the first variety show of a dome...[Details]