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lt p gt lt iframe name ifd src https: mnifdv.cn resource cnblogs Learn NB IOT Air ForLua frameborder scrolling auto width height gt lt iframe gt lt p gt 说明 测试服务器如下: IP地址: . . . 端口号: MQTT用户名:yang MQTT ...
2021-03-11 23:03 0 515 推荐指数:
<p><iframe name="ifd" src="https://mnifdv.cn/resource/cnblogs/Learn-NB-IOT-Air302-ForLua" frameborder="0" scrolling="auto" width="100 ...
"></iframe></p> 说明 这节说明一下STM32+Air3 ...
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本文基于BC28模块 波特率9600 NB-IOT 连接自己搭建的MQTT服务器步骤: 注:每次发送命令都要先回车换行再发送 1.ATI —查看当前模块版本(连接mqtt,模块要A07版本以上) 2.AT+CIMI —检查SIM卡是否读卡成功 3.AT+CSQ —检查卡信号 ...
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