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When SM2..0 is 001, the SLEEP instruction will put the MCU into noise suppression mode. In this mode, the CPU stops running, while the ADC, external interrupts, two-wire interface address configurati...[Details]
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A high voltage relay is an electrical device used to control a high voltage circuit. Its function is to switch or protect various devices or components in a high voltage circuit by controlling the ...[Details]
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(1) When measuring current or voltage, there is no indication at one or several levels, but the other levels indicate normal. The reason is that the clamp meter's fastening switch screws are loose, o...[Details]
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Silicon germanium (SiGe) has become a popular semiconductor material since the 1990s, and its production has skyrocketed. But this semiconductor was not an overnight success. In fact, SiGe, a mixture...[Details]
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According to the Nikkei Asian Review, benefiting from the Sino-US trade war environment, Taiwan's four major semiconductor manufacturers, including TSMC, UMC, MediaTek, and ASE Technology Holding, ha...[Details]
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1. What is a handheld spectrum analyzer: With the development of modern technology, people have more and more demands for electronic products. Among many electronic products, mobile phones and lapt...[Details]
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An oscilloscope is a very common electronic measuring instrument that can convert electronic signals that are invisible to the human eye into visible images. The oscilloscope probe is particularly im...[Details]
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China Energy Storage Network News
: In September 2015, President Xi Jinping proposed to explore the construction of a global energy internet at the United Nations Development Summit to promot...[Details]
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Abstract:
This paper describes in detail the implementation method of the graphical interface display system based on the uClinux embedded operating system, and specifically discusses the wri...[Details]
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Key circuit: Commonly used non-encoded keyboards, each key is a normally open switch circuit.
Key debounce :
The switch used for the common keys is a mechanical elastic switch. When the mech...[Details]
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1. Create a new project and select the chip model. Note here - to prevent some pins from being undefined when inserting the header file reg You can try switching to the AT89C52 chip and inserting t...[Details]
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CCTV's National Defense Military Channel "National Defense Science and Industry" once reported the story of Li Shifeng, a sheet metal worker at Xi'an Aircraft Corporation, who knocked out hundreds ...[Details]
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In 2009, the application of C3 train control system in passenger dedicated lines such as Wuhan-Guangzhou and Zhengzhou-Xi'an put forward higher requirements for high-speed railway train positioning...[Details]
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iWatt's two LED dimming controllers (iW3602, iW3612) can perform primary-side regulation, leading and trailing phase dimming, AC/DC digital PWM, and are aimed at the 100V/230V AC offline LED lighti...[Details]
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STC microcontroller uses serial port ISP, which does not require a programmer. As long as there is a serial port, it can be downloaded, which is very convenient. However, from a large number of actua...[Details]
Test/Measurement
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