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Gprs
- 代码基于sim900a,通过at指令实现联通gprs服务-Code is based on sim900a, through at Instructions Unicom gprs service
SIM900ATinstruction
- SIM900A AT指令使用说明,介绍如何测试SIM900A,简单的发送短信。-SIM900A AT instruction manual, this paper introduces how to test SIM900A, simple text messaging.
SIM900A-GSM
- STM32F407 控制SIM900A模块通信及AT控制程序例程-STM32F407 control SIM900A module communications and ATC control routine
ATCommand
- AT command list FOR the SIM900A
103-ucos-send531
- 采用ucosiii操作系统,不让单片机裸奔。利用串口发送AT指令到sim900a,再使用tcp协议将采集到的数据上传至onenet云平台。(Using ucosiii operating system, do not let single chip streaking. Use the serial port to send AT instructions to the sim900a, and then use the TCP protocol to collect the data uplo
SIM900A AT命令手册
- sim900A芯片的AT指令开发手册,使用这款芯片做物联网方面开发时必备的资料(the development guidance of SIM900A chip)