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First, why should LED be protected?
White LED has many advantages and is increasingly entering people's daily lives. Its usage is now very large. It is a new device with its own chara...[Details]
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By using the sleep mode of the stm32 microcontroller, the microcontroller can be put into sleep intermittently to achieve low power consumption. It often fails to wake up after entering sleep mode, r...[Details]
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introduction
For radio management, spurious emission is an important cause of interference. In the detection of radio transmission equipment, spurious emission is an important test item. So, how to m...[Details]
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hardware design The digital tube is used as a display, and the buttons are used to set the temperature control range. When the ambient temperature is lower than the minimum value, the fan is turned o...[Details]
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Software-defined RF test system architectures have become mainstream over the past few decades. Today, nearly all commercial off-the-shelf (COTS) automated RF test systems use application soft...[Details]
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The Xperia 1 II was one of two flagship models Sony launched last year, the other being the Xperia 5 II. Now, new leaks have given us our first look at the upcoming Xperia 1 III, and it looks like So...[Details]
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Infineon Technologies AG, the global semiconductor leader in power systems and the Internet of Things, and Wolfspeed, the global leader in silicon carbide technology, recently announced expansion An...[Details]
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The Origin of the Oscilloscope Nobel Prize winner, German physicist KF Braun (Figure 1) invented the CRT oscilloscope in 1897 out of curiosity about physical phenomena. He applied an oscillating sign...[Details]
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As we all know, in China (mainland), there are not many people who work as hardware engineers, and not many companies (especially small companies) specifically recruit a hardware engineer. But there a...[Details]
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Abstract: This paper introduces the small-long chart paperless recorder developed on the basis of maintaining commonality with the medium-long chart paperless recorder. The recorder can display ...[Details]
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In terms of high-power products, LED landscape lighting and LED street lights are still the hot spots of the market. At present, the penetration rate of LED landscape lighting products is gradual...[Details]
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Why is the impact of technology so huge? Technology is the only factor in human civilization that can achieve incremental progress. Behind these creations and achievements are developers, who hold th...[Details]
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Library function study notes related functions: void CLK_DeInit(void); void CLK_HSECmd(FunctionalState NewState); void CLK_HSICmd(FunctionalState NewState); void CLK_LSICmd(FunctionalState NewState);...[Details]
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Instrument Features ★ 1-6 channels are optional, saving costs ★ High measurement accuracy and fast response speed ★ Automatic calibration can be performed regularly, requiring little maintenance ★ Co...[Details]
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The last line after startup prompts can't access tty, job control turned off, which means that the console cannot be entered. The reason is that there is a problem in the /etc/inittab file
Sol...[Details]
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