mqtt的C语言客户端，本压缩包文件可以做到订阅话题、并在接收到消息之后驱动相应LED灯开闭、呼吸等。已经在树莓派上面测试通过-mqtt C language clients can do this compressed file subscr iption topic, and after receiving the message-driven opening and closing the corresponding LED lights, breathing. Raspberry Pi

MQTT 客户端源码 一个不错的MQTT客户端测试程序，简单的界面。测试MQTT服务器用。(MQTT Client A good MQTT client test program, a simple interface. Test MQTT server for use)