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The three major A-share indices closed higher today, with the Shanghai Composite Index up 0.52% to 3484.39 points, the Shenzhen Component Index up 1.02% to 14122.61 points, and the ChiNext Index up 1...[Details]
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This article introduces a new type of LCD display system for displaying measurement results in the power grid quality detection system. It is mainly composed of PIC18F458 and LCD display module MGLS1...[Details]
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1 Introduction to U-Boot
U-Boot, the full name of Universal Boot Loader, is an open source project that complies with the terms of the GPL. It has evolved from FADSROM, 8xxROM, and PPCBOOT. Its...[Details]
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This article introduces a battery automatic constant current charging circuit based on discrete components , focusing on the circuit composition, structural characteristics, working principle and cir...[Details]
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When you test a sine wave with a spectrum analyzer, theory tells you that you should get a line. But in fact, the curve displayed by the spectrum analyzer is not a line, but an envelope. This is be...[Details]
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Mass flow meter is a commonly used flow measurement instrument, which is widely used in many industries. Mass flow meter is also widely used in liquid chlorine filling, which is a very complicated pro...[Details]
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Apple is working on technology to make physical buttons like the iPhone power button or the keys on a keyboard thinner, while also adding options for different tactile feedback. Apple's U.S. P...[Details]
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A city itself is not only a city, it can also be a business. In 2019, as technologies such as 5G, AI, and cloud computing continue to redefine the concept of cities, this unpopular business has ...[Details]
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Annual shipments of Bluetooth devices are expected to reach 7.6 billion units in 2027 Beijing, April 27, 2023 - The Bluetooth Special Interest Group (SIG) released the annual report "Bluetooth Mark...[Details]
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Abstract:
As an artistic water feature with high ornamental value, music fountain has been used more and more widely. This paper discusses a small mobile music fountain control system suitable fo...[Details]
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After two consecutive years of "crazy price increases and shortages", the continued escalation of the Sino-US trade war has poured cold water on the prosperous electronics industry. MLCC prices have ...[Details]
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As an engineer, do you know how fast consumer electronic devices operate and how many tasks they can perform per second? The high speed of these devices brings a lot of fun, enabling intuitive ...[Details]
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Just two days ago, ZTE launched a new 5G mid-range model Axon 11 SE, equipped with MediaTek Dimensity 800 processor. Recently, some media discovered that ZTE has launched a new Axon phone on...[Details]
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Many manufacturers and individuals often encounter problems of one kind or another when using gas detection alarms. Vanandi has summarized the problems encountered by customers - a guide to common tr...[Details]
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The intelligent soft start cabinet is a device used for starting and controlling motors. It controls the starting current of the motor, reduces the impact during starting, and prolongs the service ...[Details]
PCB Design
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