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Recently, there have been many good news in the field of quantum communication . The team led by Jin Xianmin from Shanghai Jiao Tong University has successfully realized the first seawater quantum ...[Details]
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At present, leakage protectors are widely used as a new type of low-voltage protection electrical appliance, both in cities and in rural areas. The reliability of their work directly affects personal ...[Details]
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Watchdog circuit diagram
As shown in the figure above: When the circuit is working, as long as the CD4060 reset pulse is given regularly, Q1 can be guaranteed to be in the cut-off state, so that th...[Details]
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First, let's explain how the buttons are connected to the S3C2440 chip: KEY1 ---- EINT8 ---- GPG0 KEY2 ---- EINT11 ---- GPG3 KEY3 ---- EINT13 ---- GPG5 KEY4 ---- EINT14 ---- GPG6 KEY5 ---- EINT15 ---...[Details]
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Bandwidth is the first parameter most engineers consider when choosing an oscilloscope. This article will provide you with some useful tips on how to choose the right oscilloscope bandwidth for you...[Details]
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Over time, we become somewhat familiar with the accuracy level of each device and know how much to trust the number it reports, such as 10% remaining. In higher power multi-cell applications, the sit...[Details]
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Ultrasonic ranging sensors are widely used in industrial field ranging, mobile robot navigation and positioning due to their high measurement accuracy, fast response and low price. The commonly used ...[Details]
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Entering the 21st century, energy consumption has increasingly become the focus of the entire human society. Due to the basic demand for lighting, how to more effectively use various energy sources...[Details]
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In servo systems, AC permanent magnet synchronous motors have become the mainstream choice for servo systems because they have excellent low-speed performance, can achieve weak magnetic high-speed ...[Details]
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Brushless motors and brushed motors each have their own advantages and disadvantages. The choice of which motor should be based on comprehensive considerations of specific applications and needs.
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Japanese chemical supplier Showa Denko expects to raise prices further and cut unprofitable product lines to cope with a host of economic challenges facing the $550 billion semiconductor industry. Th...[Details]
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The I2C of F0 is different from that of F103. The Slave I2C interface protocol adopts the format of register access. (1) I2C initialization void IIC_Slavemode_Init(u8 debug, u8 addr) { GPIO_I...[Details]
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On June 18, the Bureau of Industry and Security (BIS) of the U.S. Department of Commerce published a new interim final rule in the Federal Register, which amended the Export Administration Regulation...[Details]
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At present, the academic circle still uses "ranking" to score autonomous driving algorithms. The so-called "ranking" is to use its training data set on a certain data set to test the pros and cons ...[Details]
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The practical circuit composed of UC3842 is shown in Figure 4. Its working principle
Figure UC3842 practical circuit diagram
The width becomes narrower to achieve the purpose of voltage stabil...[Details]
Programming Basics
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