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Domestic operating systems begin to gain momentum In 2023, domestic manufacturers such as Huawei , Banma, Xiaomi, and NIO will all work hard in the operating system market, launch operating system ...[Details]
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High frequency VCO circuit with frequency of 3~30MHZ
Function of the circuit
This is a voltage controlled oscillator that can be used at 3M~30MHZ frequency. It can be used with PLL circuit in ...[Details]
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Why does the crystal oscillator of 51 microcontroller generally use 11.0592?
The reason for using 11.0592 crystal is due to the timer of 51 single chip microcomputer. When using the timer...[Details]
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The research on flicker-free is most intuitive from the perspective of power supply. In fact, it is a question of "frequency". The human eye and CCD probe will not feel ultra-high frequency, but the...[Details]
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In the wave of automobile electrification, NIO's battery swap technology is like a unique and shining star, triggering everyone's endless imagination: Will this become the mainstream trend in the f...[Details]
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As personal computers (PCs) are increasingly used, their energy consumption is also increasing. For desktop computers, ATX power supplies are usually used. In the past, typical ATX power supplies hav...[Details]
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Affected by the COVID-19 epidemic, automakers such as SAIC Volkswagen, Tesla, and NIO have announced production suspensions. Many people on social media said that if Shanghai continues to be "locked ...[Details]
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The hardware I2C of STM32 is not very easy to use, and many people are troubled by it, including me. So I just go all out and use simulated I2C. Although the speed is not as fast as hardware I2C, it ...[Details]
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The charge and discharge capacity of small-capacity capacitors is small, and it is difficult to use a multimeter to judge whether they are good or bad. The method of judging the quality of the capac...[Details]
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Last Friday, the semiconductor sector plummeted due to the bearish outlook of foreign banks on DRAM. In addition, TrendForce predicts that PC DRAM prices will fall by 0-5% in Q4, which has exacerbate...[Details]
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The United States and Poland recently signed the so-called "5G Security Statement", emphasizing that they will strictly control 5G network equipment suppliers. Chinese Foreign Ministry spokesman Geng...[Details]
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Serial data transmission is completed in three bytes:
The first byte: serial port control - format 11111ABC
A is data transmission direction control: H indicates data from LCD to MCU, ...[Details]
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TSMC, a wafer foundry, announced that it had filed multiple lawsuits against GlobalFoundries in the United States, Germany, and Singapore on September 30, 2019, accusing GlobalFoundries of infringing...[Details]
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Voice collection technology directly collects and processes various vocabularies required by the application system to form a vocabulary subset, which is stored in an EPROM chip. When the system is...[Details]
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In some production processes, the temperature needs to be raised or lowered quickly or slowly or kept constant according to the process requirements. If manual control is used, it is not only time-con...[Details]