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DS12C887 The DS12C887 clock chip can output time information such as century, year, month, day, hour, minute, and second. Integrated battery, time will not be lost when external power is off. There a...[Details]
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Many manufacturers are working hard to eliminate lithium batteries, and Samsung is one of them. According to well-known whistleblower @evleaks, Samsung is expected to launch a revolutionary m...[Details]
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From October 15 to 16, 2021, the "2021 China Automotive Supply Chain Conference" co-organized by the China Association of Automobile Manufacturers and the Chongqing Liangjiang New Area Management Com...[Details]
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To detect the quality of remote control, the radio is often used for testing, but the radio can only receive the high-order harmonics of the remote control signal, the signal is weak, and the detec...[Details]
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Myth 1: Using a frequency converter can save electricity
Some literature claims that variable frequency speed regulators are power-saving control products, giving people the impression that as...[Details]
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When talking about Las Vegas, we can think of a long list of related symbols: casinos, hangovers, GTA, decadence and extravagance... But now Las Vegas will add a new important symbol - the first city...[Details]
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Program source code #include "ioCC2530.h" #include "stdio.h" #define LED1 P1_0 // P1_0 is defined as P1_0 #define LED2 P1_1 // P1_0 is defined as P1_1 #define SW1 P1_2 //SW1 port macro definition ...[Details]
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The protection circuit for the reverse polarity of the power supply voltage of the op amp is shown in Figures (a) and (b). Figure (a) is
the protection circuit
for a single-stage amplifie...[Details]
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Examination scope: Optional reading book after-class exercises Main question: Pure programming: In the first four experiments, multiplication is not tested. Interrupt, timer T1: square wave book...[Details]
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Keil C51 Library Functions Keil C51 Library Function Reference One of the important manifestations of C51's powerful functions and high efficiency is its rich library functions that can be called dir...[Details]
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Types of soldering irons
1. Types of soldering irons
1. External heating soldering iron
It consists of a soldering iron tip, a soldering iron core, a shell, a wooden handle, a power lead, a plu...[Details]
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On August 3, Zhao Bo, Secretary of the Leshan Municipal Party Committee, and his delegation visited Desheng Vanadium Titanium for research. Song Dean, Chairman of the Board of Directors of Desheng ...[Details]
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Functional Description
NS4159 is a 5W high-efficiency mono audio amplifier with switchable AB/D working modes, anti-distortion function, ultra-low EMI, no filter required. The AB/D working mod...[Details]
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After experiencing rapid growth in scale, the Chinese motion control market has now entered a stage of technological upgrading. On the one hand, with the advent of the industrial Internet of Things e...[Details]
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Recently, at a busy energy storage power station construction site, the 2.5MW liquid-cooled energy storage inverter innovatively launched by Kehua Digital Energy is being installed in an orderly ma...[Details]
PCB Design
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