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DC stands for "direct current", which is a unidirectional current flowing through a conductor from point A to point B in a circuit. The most basic definition of DC-DC conversion is to convert a DC ...[Details]
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According to foreign media GSMArena, the full specifications and pictures of the Motorola Defy 2021 mobile phone have been leaked recently. The phone will be equipped with a Snapdragon 662 chip...[Details]
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SIM900A driver test based on Nuvoton M0's M0516LAN
During the New Year's Day holiday, I was eager to finish a small project, so I did a test of M0516LAN driving SIM900A. It was my first time using SI...[Details]
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Nexperia launches a range of A-selection Zener diodes that provide high-precision reference voltages with the industry’s lowest ±1% tolerance
Comprehensive product range covers vario...[Details]
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Do you know the testing principle and process of Keithley source meters? Antai Instrument Repair Center engineers share some experiences in using Keithley source meters: Keithley SourceMeter Test P...[Details]
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trigger The trigger of the Hongke real-time spectrum analyzer HK-R5550 provides a method to limit the storage of captured time-domain IQ data based on external, periodic or frequency-domain events. T...[Details]
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On November 1, the State Tobacco Monopoly Administration and the State Administration for Market Regulation issued the "Notice on Further Protecting Minors from Electronic Cigarette Harm", pointing o...[Details]
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Safety testers are used for withstand voltage measurement tests of high voltage components (using AC and DC withstand voltage testers). They are mainly special instruments used to detect whether the ...[Details]
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The growing popularity of brushless DC (BLDC) motors is due to the use of electronic commutation. This replaces the traditional mechanism of brushes rubbing against a commutator to energize the win...[Details]
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Startup file crt0.S source code: //************************************************ ****************************** // File: crt0.S // Function: transfer to C program through it //********************...[Details]
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1. Introduction
When using portable electronic products, it is hoped that the remaining battery power and the working time can be known at any time, and relevant applications can be adjust...[Details]
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There is no absolute moat in the processor world. The PC and server fields, which are considered to be the most stable rear of the X86 camp, are slowly being infiltrated by ARM cores. First, Apple an...[Details]
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Recently, Samsung officially pushed the official version of OneUI 4.0 system to the Galaxy S21 series of mobile phones. The underlying system is based on Android 12. The Beta of OneUI 4.0 sta...[Details]
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According to foreign media reports, Peng Bai's laboratory at Washington University in St. Louis has developed an efficient and stable negative electrode-free sodium-ion battery. Peng Bai is an assist...[Details]
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In recent years, the sales of new energy vehicles in China have exceeded expectations. In October this year, the retail sales of narrow passenger cars reached 2.261 million units, of which new ener...[Details]
MEMS sensors
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