Program design of IC card reading based on AVR single chip microcomputer

AVR MCU IC card program #include #include #defineucharunsignedchar #defineuintunsignedint //**********Define global variables*******************// //Refer to table 0123456789efpoff [14]=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x79,0x71,0x73,0x00] Uchariccode [4]; / / defines the 4-byte code read out during IC card reset; Uchariccontent [14]; / / define the valid information of IC card; Ucharmoney [5]; / / define the amount in IC card; ucharEEE-65339565341;={0x79-0x79-0x79-0x79-0x79}; ucharFFFFF Ucharic_flag; […]

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Lenovo personal cloud storage opens the guard journey of data storage

We all know the value and importance of data at present, but if we haven’t experienced the inconvenience and trouble brought by data loss, it’s difficult to have a deep understanding. With the continuous progress of technology, the wide spread of mobile Internet, coupled with the coming 5g, the amount of personal data will also […]

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Characteristics of intelligent metal tube rotameter

Intelligent metal tube rotameter is a kind of variable area flow measurement instrument commonly used in industrial automation process control. It has the characteristics of small volume, large detection range and convenient use. It can be used to measure the flow of liquid, gas and steam, especially suitable for the measurement of low flow rate […]

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From FPGA to ACAP, Xilinx realizes technical innovation again

Sarinx is the inventor of FPGA. A practical case provided by Shenjian technology shows that Xilinx has achieved remarkable results in supporting a wide range of AI applications, including machine learning and inference. Compared with CPU, the performance of high-efficiency FPGA accelerated speech recognition engine is 43 times of the latter, and the unit power […]

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How wireless Internet of things sensors provide value

This paper outlines the working principle of wireless sensors, network layout and how they work in the application of the Internet of things. The Internet of things is changing our world in amazing ways. Wireless communication between objects can realize the automation of data exchange and greatly improve the efficiency, thus having a positive impact […]

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What is the application prospect of Linux embedded operating system

Embedded Linux is a new member of embedded operating system. Its biggest feature is that the source code is open and follows the GPL protocol. In recent years, it has become a research hotspot. At present, nearly 50% of the projects in the developing embedded system choose Linux as the embedded operating system. I. Linux […]

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The future development of China’s analog IC design industry

“Analog circuits are more like an art.” This is what Professor Tong Shibai, the author of transistor circuit, the first semiconductor circuit textbook in China, told the students. But in China, this art is facing the dilemma of “growing cold”. Some experts mentioned that in 2012, the number of analog circuit R & D enterprises […]

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Should 6700k be upgraded to 9900k

How long hasn’t your computer been upgraded? On the issue of upgrading, some people insist on the new three years and the old three years, while some local players can change every year, and most of them upgrade almost once in three years. According to this interval, players starting with the first generation of 14nm […]

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Program design of IC card reading based on AVR single chip microcomputer

AVR MCU IC card program #include #include #defineucharunsignedchar #defineuintunsignedint //**********Define global variables*******************// //Refer to table 0123456789efpoff [14]=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x79,0x71,0x73,0x00] Uchariccode [4]; / / defines the 4-byte code read out during IC card reset; Uchariccontent [14]; / / define the valid information of IC card; Ucharmoney [5]; / / define the amount in IC card; ucharEEE-65339565341;={0x79-0x79-0x79-0x79-0x79}; ucharFFFFF Ucharic_flag; […]

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