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Experimental requirements: Connect 8 LEDs to P1.0~P1.8 of P1 port respectively. Write a program to simulate a timing control device. After power on, L4 and L5 light up in the first second, L3 and L6 l...[Details]
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Jiwei.com reported on April 27 that according to a digital blogger, Huawei's HarmonyOS 2.0 public beta version has begun to be pushed. The new version mainly includes UI design fine-tuning and transi...[Details]
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How to choose constant current application of LED lighting? Undoubtedly, Buck type structure is the most cost-effective choice. This article briefly introduces the principles and applications of some...[Details]
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In order to reduce labor costs, HP decided to readjust its corporate structure, cutting 7,000 to 9,000 employees through layoffs or voluntary early retirement, and estimated that it would save the co...[Details]
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Cleer officially released its new true wireless noise-cancelling earphones in the Ally Plus series, the Cleer Ally Plus II. The Cleer Ally Plus II true wireless noise-cancelling earphones use Qualcom...[Details]
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Notice: Before the kernel starts, uboot can do some hardware initialization work, such as initializing the serial port. At the same time, uboot supports different machine IDs. When uboot starts, you ...[Details]
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WPG World Peace Group launches small industrial power supply solution based on ON Semiconductor products On June 16, 2021, WPG Holdings, a leading semiconductor component distributor dedicated to t...[Details]
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A desktop accessory shown in Figure 1 can be installed between an adjustable voltage experimental power supply and a breadboard or UUT (device under test) to protect the device from accidental over...[Details]
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The MCS51 series single-chip microcomputer At89S51 is used as the main controller, and the peripheral circuit devices include digital tube driver, independent keyboard, square wave pulse output an...[Details]
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On July 29, the vanadium battery electrolyte technology route and standardized production seminar hosted by the National Vanadium Titanium Industry Alliance Vanadium Battery Expert Committee was held ...[Details]
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On January 17, 2022, the administrator of Tsinghua Unigroup Co., Ltd. received the Civil Ruling No. (2021) Jing01 Bankruptcy 128-2 delivered by the Beijing No. 1 Intermediate People's Court. Accordin...[Details]
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3.6 Matrix Keyboard 3.6.1 Schematic diagram of matrix keyboard To use the matrix keyboard, you need to connect JP4 to JP8 (P1) and disconnect the JP165 jumper cap (otherwise the rightmost row of the ...[Details]
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Three provinces and five cities issued special policies in two months, and 5G "new infrastructure" set off a small climax "New infrastructure" has become a hot word in China's economy in 2020. April...[Details]
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In the system architecture of the Internet of Things, the network layer is the bridge for realizing perception transmission and application instruction issuance, as shown in Figure 1. The vast ma...[Details]
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The electronics for automotive infotainment TFT-LCD displays must be minimal to limit PCB size and cost. After reviewing the drawbacks of typical low-integration solutions, we introduce a new appro...[Details]
Analog electronics
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