Home >Backend Development >PHP Tutorial >串口通信-使用php_dio.dll通过串口连接gsm模块发短信,电信的手机号收不到短信

串口通信-使用php_dio.dll通过串口连接gsm模块发短信,电信的手机号收不到短信

WBOY
WBOYOriginal
2016-06-02 11:33:511081browse

串口通信php串口gsm模块

存在问题如下
1、设备连接好之后,必须要使用串口助手之类的软件打开串口,再关闭软件,才能使用php发送读串口的at指令,否则就假死,为什么?
2、电信手机号收不到短信,不知为什么?

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn