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With the improvement of computer performance and the increase of communication volume, traditional LAN has been increasingly overloaded. Switched Ethernet technology has emerged, greatly improving ...[Details]
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Apple said that by 2025, all batteries it designs will use 100% recycled cobalt, all magnets in its devices will use only recycled rare earth elements, and all circuit boards will use 100% recycled ti...[Details]
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1 Introduction With the development of society, electricity consumption has increased. In order to improve electricity efficiency and improve the imbalance of electricity consumption, power d...[Details]
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When the third generation of Ryzen was first released, our PConline evaluation room was the first to get the high-end Ryzen 9 3900X and Ryzen 7 3700X processors and conducted the first test. Than...[Details]
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A few days ago, because I needed to perform FFT on the collected audio signal on the STM32F103 series processor, I spent some time studying how to implement FFT on the STM32F103 series processor ef...[Details]
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Siemens S7-200 smart and S7-1200 are two PLC product series launched by Siemens for industrial automation control systems. Although they both belong to Siemens' S7 series, there are some difference...[Details]
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1. Display principle The working principle diagram of the deflection system is shown in Figure 1: Figure 1 Working principle diagram of deflection system 2. The basic block diagram of the oscillosc...[Details]
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With the expansion of social electricity consumption, it is urgent to develop electricity detection and distribution in the direction of high precision, multi-function and intelligence by timely detec...[Details]
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With the popularization of new energy concepts, the application of photovoltaic power generation is becoming more and more extensive. Photovoltaic inverters are an important part of photovoltaic p...[Details]
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The portable headphone amplifier circuit is very easy to build as it uses only 3 transistors. The portable headphone amplifier can be directly connected to a CD player or a record player.
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There are many types of coffee machines on the market today, and they are divided into two types: semi-automatic and fully automatic according to the operation mode. No matter what type of coffee mac...[Details]
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There are many forms of feedback sine wave oscillation circuits, but they are all composed of two parts: frequency selection amplifier and feedback circuit. The structural diagram is shown in Figur...[Details]
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On the evening of December 18, the U.S. Department of Commerce officially announced that it would add SMIC to the Entity List. The Bureau of Industry and Security (BIS) of the U.S. Department of Comm...[Details]
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Cortex-M3 supports 256 interrupts, including 16 core interrupts and 240 external interrupts. STM32 has only 84 interrupts, including 16 core interrupts and 68 maskable interrupts. STM32F103 has o...[Details]
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The function of the serial port is to receive and send data. In the previous section, we have learned about the pin signals of the serial port. However, the sending and receiving of data requires c...[Details]
Microcontroller MCU
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