Chen Xiang-guang

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In order to transmit the field data to the monitoring center and monitor the production process in real time, the characteristics of field instruments signal are analyzed, a all-purpose wireless transmission device for field data is designed, which is developed based on MSP430 Microcontroller. For the sake of acquiring the field data and not disturbing(More)
In order to improve reliability and speediness of access control system, in hardware design, the shortcomings of access controller with a CPU is analyzed in this paper. The core module of the hardware system is designed based on two microcontrollers. In software design, main program and subprogram are programmed according to coordinate and independent mode.(More)
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