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0 Introduction
SNMP (Simple Network Management Protocol) is widely used and powerful. As long as the management software has MIB (Management Information Base) and has appropriate permissi...[Details]
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Episode 8
Explain the code in "51 Single-Chip Microcomputer Review Notes 2" to implement the method of using shift and OR operations to realize the flowing lights.
Explains how to use functions to ...[Details]
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The NVIC supports a total of 1 to 240 external interrupt inputs (usually written as IRQs). The specific number is determined by the chip manufacturer when designing the chip. In addition, the NVIC al...[Details]
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For the 32-bit embedded applications that are now appearing in large numbers, in my opinion, the advantages of ARM processors are mainly in the following aspects. 1. High performance, low power cons...[Details]
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Complete electronic lottery project, based on AVR microcontroller ATMEG128, including schematics, source code and simulation The simulation schematic is as follows . The microcontroller source pro...[Details]
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According to the latest news from the supply chain, with the rapid growth of the HMS (Huawei Mobile Services) ecosystem and the increasing pressure from the external environment, Huawei is already co...[Details]
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On May 30, 2019, China's first autonomous driving simulation blue book "China Autonomous Driving Simulation Technology Research Report (2019)" was released at the 6th International Intelligent Con...[Details]
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In recent years, driven by policies, the semiconductor industry capital market has been extremely hot, and the recent Sino-US relations, supply chain security and the opening of the Science and Techn...[Details]
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#include enum State {Init, Press, Free}; //Define the enumeration type of the key state enum State Key_State; //Key state sbit Key1 = P2^4; sbit Key2 = P2^5; sbit Key3 = P2^6; sbit Key4 = P2^7; ...[Details]
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On August 29, Farasis Energy signed an investment cooperation agreement with the Management Committee of Wuhu Sanshan Economic Development Zone, Anhui Province. Farasis Energy plans to establis...[Details]
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The research on active power factor correction technology mainly focuses on circuit topology, control strategy and modeling analysis. In addition to the basic converter structure in power electroni...[Details]
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At present, voltage mode and current mode are
the two commonly used control types in
switching power supply
systems. Usually when discussing these two working modes, we are referring to ...[Details]
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At Xiaomi's new product launch on November 5, Xiaomi will bring us a number of products including the Xiaomi Mi Watch. This time, the Xiaomi Mi Watch is "coming with great momentum", and the official...[Details]
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TFN Handheld Cable Tester TFN handheld cable tester adopts pulse reflection method. The fault point and type are determined according to the reflected waveform. The waveform comparison function is ad...[Details]
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From the previous uboot code analysis, we know that the uboot startup has three steps: BL0, BL1, and BL2. Since BL0 is a fixed program provided by the manufacturer, it does not need to be considere...[Details]