mqtt install

Ref :  http://www.slideshare.net/EllingtonSu/mqtt-61900840

Ref : http://rocksaying.tw/archives/2016/MQTT-3-Python-clients.html


Ref : https://makerpro_taiwan.gitbooks.io/lass-7688-duo-pm2-5-remote-controller/content/cong_linux_duan_qu_de_mqtt_zi_liao_fen_feng_chuan_.html

default port : 1883/ 8883 (TLS)



先確定有沒有pip

easy_install pip

opkg install python-openssl

pip install paho-mqtt

===============================================

pub

================================================

中間的server 是 Broker...

device 自己可以當 Publusher (類似Tx)...  也可以當  Subscriber(類似Rx)