该书中的源代码以及电路图。该书中的源代码以及电路图，GPRS野外温湿度遥测系统等程序-The source code in the book as well as the circuit diagram. Source code in the book as well as circuit diagrams, GPRS wild temperature humidity telemetry systems and other procedures

433MHZ（AN7108) 无线数据发射/接收系统 MASTER为433MHZ无线数据接收 + GPRS DTU发射 SUB为433MHZ无线数据发射 源代码 电路图 PCB图-AN7108 GPRS