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开发板板载介绍 一.示意图 1.单片机:STM32CBT6 2.Wi-Fi模块:ESP8266 3.GSM模块:Air202 / Air30 ...
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先来体验一下MQTT通信 这是我制作的一个上位机MQTT调试助手,提供了源码. 注:需要打开两个,默认连接提供的服务器测试.第一个配置如下 ...