无线温湿度采集系统设计

无线温湿度采集系统设计作者：陈诚指导老师：马宾安徽农业大学工学院06级电子信息工程LOGO系统总体方案本系统由传感器和发射、接收芯片，以及显示芯片组成。无线发射、接收功能是由nRF905完成。采集模块硬件电路设计本系统采用数字式温湿度传感器SHT10测量温湿度，使用nRF905发送数据。采集模块硬件电路设计123456ABCD654321DCBA标题图号修订尺寸B日期:11-Jun-2010第张共张文件:C:\DocumentsandSettings\Administrator\桌面\无线温度湿度数据采集CC.ddb制图人:VCCP1.6P1.7R114.7KVCCGND3DATA4SCK1VCC2U4SHT10123456ABCD654321DCBA标题图号修订尺寸B日期:11-Jun-2010第张共张文件:C:\DocumentsandSettings\Administrator\桌面\无线温度湿度数据采集CC.ddb制图人:Y112MHZC630PC730PVCCS1SW-PB+C510uFR210KP1.0P1.1P1.2P1.3P1.4P1.5P1.6P1.7P1.01P1.12P1.23P1.34P1.45P1.56P1.67P1.78RESET9P3.010P3.111P3.212P3.313P3.414P3.515P3.616P3.717XTAL118XTAL219GND20P2.021P2.122P2.223P2.324P2.425P2.526P2.627P2.728PSEN29ALE/PROG30EA/Vpp31P0.732P0.633P0.534P0.435P0.336P0.237P0.138P0.039Vcc40U6AT89S52P0.0P0.1P0.2P0.3P0.4P0.5P0.6P0.7P2.6P2.5P2.4P2.3P2.2P2.1P2.0P3.0P3.1P3.2P3.3P3.4P3.5P3.6P3.7VCCR31KR41KR51KR61KR101KR71KR81KR91KP2.7VCC温湿度传感器单片机最小系统nRF9051234ABCD4321DCBA标题图号修订尺寸A4日期:12-Jun-2010第张共张文件:C:\DocumentsandSettings\Administrator\桌面\无线温度湿度数据采集CC.ddb制图人:TRX_CE1PWR_UP2uPCLK3VDD4VSS5CD6AM7DR8VSS9MISO10MOSI11SCK12CSN13XC114XC215VSS16VDD17VSS18VDD_PA19ANT120ANT221VSS22IREF23VSS24VDD25VSS26VSS27VSS28VSS29VSS30DVDD_1V231TXEN32NRF905E?C?22PFC?22PFY?16MHZR?1MVDDR?22KC?3.3NFC?C?4.7nFC?33PFVDDC?10.7nFTX_ENTRX_CEPWR_UPuPCLKCDAMDRMISOMOSISCKCSNC?33pF+C?10uFVCC12345678910111213J?CON13VDDTX_ENTRX_CEPWR_UPuPCLKCDAMDRMISOMOSISCKCSN123LoopantennaconnectionnRF905的接口1、模式控制接口：该接口由PWR、TRX_CE、TX_EN组成控制由nRF905组成的高频头的四种工作模式：掉电和SPI编程模式；待机和SPI编程模式；发射模式；接收模式。2、SPI接口：SPI接口由CSN、SCK、MOSI以及MISO组成。在配置模式下单片机通过SPI接口配置高频头的工作参数；在发射/接收模式下单片机SPI接口发送和接收数据。3、状态输出接口：提供载波检测输出CD，地址匹配输出AM，数据就绪输出DR。接收模块硬件电路设计接收模块主要是由nRF905接收数据，再将温湿度数据由LCD1602显示出来。LCD液晶显示在第3脚加一个10K的电位器，用来调整背光。VL为液晶显示器对比度调整端，接正电源时对比度最弱，接地时对比度最高，对比度过高时会产生“鬼影”。软件设计发送流程nRF905nRF905接收流程液晶显示流程图123456ABCD654321DCBA标题图号修订尺寸B日期:11-Jun-2010第张共张文件:C:\DocumentsandSettings\Administrator\桌面\无线温度湿度数据采集CC.ddb制图人:VCCP1.6P1.7R114.7KVCCGND1Vout2Vin3U2AMS1117VCC3.3VY112MHZC630PC730PVCCS1SW-PB+C510uFR210KP1.0P1.1P1.2P1.3P1.4P1.5P1.6P1.7P1.01P1.12P1.23P1.34P1.45P1.56P1.67P1.78RESET9P3.010P3.111P3.212P3.313P3.414P3.515P3.616P3.717XTAL118XTAL219GND20P2.021P2.122P2.223P2.324P2.425P2.526P2.627P2.728PSEN29ALE/PROG30EA/Vpp31P0.732P0.633P0.534P0.435P0.336P0.237P0.138P0.039Vcc40U6AT89S52P0.0P0.1P0.2P0.3P0.4P0.5P0.6P0.7P2.6P2.5P2.4P2.3P2.2P2.1P2.0P3.0P3.1P3.2P3.3P3.4P3.5P3.6P3.7VCCR31KR41KR51KR61KR101KR71KR81KR91KP2.7P0.0P0.1P0.2P0.3P0.4P0.5P0.6P0.7LCD1602GND1VCC2V03RS4R/W5E6D07D18D29D310D411D512D613D714BLA15BLK16U7LCD1602VCCVCCP1.0P1.1P1.2R1210KGND3DATA4SCK1VCC2U4SHT10VCCD1BRIDGEVin1+5V3GND2U1LM7805C1470uFC3104FC2104FC410uFVD110uFR13KVCCT?TRANS1~220V9VC847uFC910uF电源模块温湿度检测电压转换模块无线发射模块单片机最小系统液晶显示模块3.3VP2.6P2.5P2.4P3.5P3.2P3.3P2.0P2.1P2.2P2.3P3.4VCC1TX_EN2PWE_UP4uCLK5CD6AM7DR8MISO9MOSI10SCK11CSN12GND13GND14TRX_CE3U5NRF905模块发射模块电路图接收模块电路图123456ABCD654321DCBA标题图号修订尺寸B日期:11-Jun-2010第张共张文件:C:\DocumentsandSettings\Administrator\桌面\无线温度湿度数据采集CC.ddb制图人:Y112MHZC630PC730PVCCS1SW-PB+C510uFR210KP1.0P1.1P1.2P1.3P1.4P1.5P1.6P1.7P1.01P1.12P1.23P1.34P1.45P1.56P1.67P1.78RESET9P3.010P3.111P3.212P3.313P3.414P3.515P3.616P3.717XTAL118XTAL219GND20P2.021P2.122P2.223P2.324P2.425P2.526P2.627P2.728PSEN29ALE/PROG30EA/Vpp31P0.732P0.633P0.534P0.435P0.336P0.237P0.138P0.039Vcc40U4AT89S52GND1Vout2Vin3U2AMS1117VCC3.3VP0.0P0.1P0.2P0.3P0.4P0.5P0.6P0.7P2.6P2.5P2.4P2.3P2.2P2.1P2.0D1BRIDGEVin1+5V3GND2U1LM7805C1470uFC3104FC2104FC410uFVD110uFR13KVCCP3.0P3.1P3.2P3.3P3.4P3.5P3.6P3.7VCCR31KR41KR51KR61KR101KR71KR81KR91KP2.7P0.0P0.1P0.2P0.3P0.4P0.5P0.6P0.7LCD1602GND1VCC2V03RS4R/W5E6D07D18D29D310D411D512D613D714BLA15BLK16U5LCD1602VCCVCCP1.0P1.1P1.2R1110KVCCT?TRANS1~220V9V单片机最小系统C847uFC910uF3.3VP2.6P2.5P2.4P3.5P3.2P3.3P2.0P2.1P2.2P2.3P3.4液晶显示模块无线接收模块电压转换模块电源模块VCC1TX_EN2PWE_UP4uCLK5CD6AM7DR8MISO9MOSI10SCK11CSN12GND13GND14TRX_CE3U3NRF905模块LOGO感谢各位老师参加我的论文答辩！