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Figure 1 shows the principle circuit block diagram and working waveform of the CRM Boost PFC converter. The product Z of the output X of the voltage error amplifier and the rectified input voltage ...[Details]
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Recently, the Dutch technology blog LetsGoDigital exposed a folding screen smartwatch patent of OPPO, which features the ability to easily double the display area and use it as a smartphone. In fac...[Details]
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Introduction
The front panel of the current set-top box is generally controlled by the main CPU, or the main CPU plus keyboard and LED scanning integrated chip. In this way, the main CPU ...[Details]
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Introduction: Raspberry Pi releases 8G version From the first generation of Raspberry Pi released in 2012 to the launch of Raspberry Pi 4B in 2019, it still cannot be called a "PC replacement." Of c...[Details]
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With the coming of summer, thunderstorms are becoming more and more frequent. As a high-precision electronic digital instrument, the intelligent electromagnetic flowmeter needs to pay close attention ...[Details]
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Methods for testing differential pair transistors
The differential pair is a semiconductor device that packages two transistors with the same performance into one. It can...[Details]
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Gartner's latest report shows that by 2023, the net increase in the number of autonomous vehicles worldwide will reach 745,705, up from 332,932 in 2019 and 137,129 in 2018. These figures do not repre...[Details]
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Stethoscope Earring Elasticity Tester GB11237-TL Stethoscope Earring Elasticity Tester adopts 7-inch (120×90) single-color LCD touch screen with Chinese menu display. Nominal specifications, classifi...[Details]
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After burning the kernel and the secure file system, in U-Boot, enter run safemode to enter the secure system. In the secure system, burn the user file system. Burning the user file system actually...[Details]
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The U.S. Department of Energy (DOE) has announced three funding opportunities worth more than $28 million to support research and development projects that will advance and preserve...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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This paper adopts the low-power 16-bit single-chip MSP430F449 as the main processor, and the integrated circuits HS3282 and HS3182 as the main communication chips, and designs a radar navigator mea...[Details]
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The USB interface of the microcontroller is usually used. 1) HID is the abbreviation of Human Interface Device. From its name, we can understand that HID devices are devices that interact directly wi...[Details]
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Anhui Development and Reform Energy No. 577
To the Development and Reform Commission, Economic and Information Commission, Finance Bureau, Housing and Urban-Rural Development Comm...[Details]
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introduction
Servo motors are commonly used in the field of industrial automation, with the characteristics of high precision, high response speed and high stability. As an important...[Details]
Microcontroller MCU
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