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1. Basic knowledge The serial port is one of the most basic functions of various chips. After the serial port is configured, the program can print various information through the serial port, which i...[Details]
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Triode no steady-state circuit
When the power is turned on, the two light-emitting diodes are alternately on and off. That is to say, one of the two triodes is saturated and the other is cut off...[Details]
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A 1~399KHZ PLL synthesized oscillator circuit with stable frequency equivalent to a quartz crystal oscillator
Function of the circuit
If the oscillation frequency is accura...[Details]
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Analog Devices ADMV8818 Now Available at Mouser for Aerospace, Defense, and Medical Applications August 5, 2021 – Mouser Electronics, the leading New Product Introduction (NPI) and largest online d...[Details]
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Due to the high sensitivity of the digital AC voltage block, even weak voltage signals can be reflected on the display. Therefore, it can be used to determine the location of the broken core of the w...[Details]
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On January 18, a seminar on lithium battery coding standards and lithium battery traceability systems was held in Beijing. Yang Xudong, deputy director of the Electronic Information Department of the...[Details]
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On March 11, Dunhuang Huantai Green Vanadium Technology Co., Ltd., a subsidiary of Huantai Energy Storage, obtained a mining license issued by the Department of Natural Resources of Gansu Province....[Details]
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Principle and Implementation of Medium Wave Q Meter
Principle: R4 outputs an ultra-low impedance signal voltage source, which is connected in series in the LC resonant circuit. When th...[Details]
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Recently, one of China's most profitable gas stations has become a hot topic on the Internet. Its daily sales can reach an astonishing 4 million yuan, and its annual income is nearly 1.5 billion yuan...[Details]
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The frequency modulated current source is a current source with variable frequency. ARM controls DDS to output a sinusoidal voltage signal with adjustable frequency and amplitude. The DDS output si...[Details]
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Yesterday (29), Jiwei.com reported that GUI Global Products filed a lawsuit, accusing Apple's AirPods and Powerbeats Pro series of products of infringing the magnetic headphone box patent of its bran...[Details]
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It is the end of another year. Looking back at 2019, the new and old forces confronted each other head-on, technological innovation accelerated the reconstruction of the pattern, and the business eco...[Details]
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One of HMD's strengths with its Nokia phone range is that it has phones for just about every price and spec range, and at IFA 2019 the company announced the latest iterations of its mid-range phones:...[Details]
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A netizen revealed that he tried to ask OPPO's voice assistant Breeno when ColorOS 12 will be released. Unexpectedly, Breeno actually answered and gave a specific time: 3 pm on September 13th...[Details]
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FAN9612 uses Fairchild Semiconductor's Sync-Lock technology to accurately maintain a 180° phase difference between the two phases, and can immediately synchronize and lock the frequency of the other...[Details]