范文编号:TX073 范文字数:17795,页数:45 摘 要 关键字: 无线会议系统, 无线收发模块, AVR This paper introduces a wirelsee conference system with the wireless transceiver module SRWF-501 based on the AVR(command of RISC microprocessors Jimmy chip which is designed by ATMEL Norwegian branch of the A and V). The system has the low-cost, low-power, reconfigurable, mobile features. By puting the voice collect and voice said circuit through the corresponding filtering and clicking circuit access to the module ,and designe the corresponding procedures on the VB language environment,the realization of the general system requirements can be implemented.Use an interface to link the module with RS232 serial port on the PC and control the conference process . Users of the system can use headphones or loudspeakers to audible venue,the system’s communication range can be 100 meters,the site coverage area can be approximately 4,000 square meters,controlling 65,536 secondry terminals .This system implements the function of voting,and has the 40 bits high security and multilingual simultaneous interpretation features. KEY WORDS:wireless conference system, wireless transceiver module, AVR
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