智能温室大棚的设计(6)

3.1 数据处理及传输模块电路设计 ···························································· 9

3.2 数据采集电路设计 ··········································································· 11

3.2.1 温湿度测量电路设计 ···································································· 12

3.2.2 光照强度测量电路设计 ································································· 13

3.2.3 二氧化碳浓度测量电路设计 ··························································· 15

3.2.4 土壤水分测量电路设计 ································································· 16

3.3 串口通信电路设计 ··········································································· 17

3.4 开关量驱动控制电路设计 ································································· 18

3.5 本章小结 ························································································· 18

4 系统程序设计 ······················································································· 20

4.1 ZigBee组网程序设计 ········································································ 20

4.1.1 ZigBee网络层 ············································································· 20

4.1.2 Z-Stack协议栈 ·······················································