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基于AVR单片机的无线环境监测系统毕业设计

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本科学生毕业论文 论文题目: 学 年 专 姓 学 院: 级: 业: 名: 号: 2009 级 电子信息工程 基于 AVR 单片机的无线环境监测系统 指导教师: 年 月 日 摘要 本设计采用高速度低功耗单片机ATMEGA16L作为主芯片,无线收发芯片采用nRF24L01, 温度采集芯片采用SHT10,LCD12864作为显示器,利用SPI口实现双向通信实现无线温湿度收 发显示,SPI支持高速数据传输,从而满足了射频带宽的要求。该系统集数据采集、无线数据 通信、串行通信于一体,可以很方便地实现点对点的无线数据通信,由于采用较完善的软硬 件设计和抗干扰措施,保证了系统工作的安全性和可靠性。nRF24L01提供了强大的跳频机制 以及大量的频道支持,功率小,功能简单,携带方便,开发简单快速,数据传输速率快,抗 干扰能力强,可以用在许多特殊的场合,具有广泛的市场应用价值。 关键词 ATMEGA16L;nRF24L01;SHT10;LCD12864;无线通信 Abstract This design USES the high speed, low power consumption ATMEGA16L as the main chip microcontroller, wireless transceiver chip adopt nRF24L01, temperature gathering chip adopt SHT10, LCD12864 as monitor and use SPI realize two-way communication wireless mouth humidity transceiver shows that SPI support high-speed data transmission, and satisfy the rf bandwidth needs. This system incorporates data acquisition, wireless data communication, serial communication at an organic whole, can be easily realized point-to-point wireless data communication, because use the software and hardware design and more perfect anti-disturbance measures, to ensure the security and reliability of the system works. NRF24L01 provides a powerful fh mechanism and a lot of channel support, power small, the function is simple, easy to carry, developing simple, fast, data transmission speed, strong anti-jamming capability, can be used in many special occasions, a broad market application value. keywords ATMEGA16L; NRF24L01; SHT10; LCD12864; Wireless communication 目录 摘要……………………………………………………………………………………………………………………………………………….错 误!未定义书签。 Abstract ..................... …………………………………………………………………………………………….III 第一章 前言..................... ……………………………………………………………………………………….1 1.1 课题研究的背景 .................................................................................................................. 1 1.2 开发的意义............................................................................................................................ 2 第二章 系统设计 ………………………………….…………………………………………………………………………………..3 2.1 系统的总方框设计................................................................................................................ 3 2.2 系统的硬件选择.................................................................................................................. 3 2.2.1 单片机的选择.......................................................................................................... 3 2.2.2 无线收发芯片的选择 ...................................................................................



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