樹莓派 - RasberryPi推送數據到cloudMQTT

創建用戶

在https://www.cloudmqtt.com/上創建一個帳戶
轉到右上角的控制面板
點擊“創建”按鈕

安裝lib

sudo pip install paho-mqtt

注：不加·sudo可會有如下一些錯誤

Exception:
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 215, in main
    status = self.run(options, args)
  File "/usr/lib/python2.7/dist-packages/pip/commands/install.py", line 353, in run
    wb.build(autobuilding=True)

運行python腳本

在樹莓派上運行如下代碼：

import paho.mqtt.client as mqtt
import time


data="Hello from Raspberry Pi!"
while True:
    print data
    try:
        client=mqtt.Client()
        #修改下一行中的用戶名和密碼
        client.username_pw_set("dspwoncw","3s9YYyRmL2l0")
        #修改下一行中的client_id
        client.connect("m11.cloudmqtt.com",16868,60)
        client.publish("pi",data) 
        time.sleep(1)
    except KeyboardInterrupt:
        print("end")
        client.disconnect()

在代理上接收數據

在websocket UI 觀察到

Reference

https://pypi.org/project/paho-mqtt/#connect-reconnect-disconnect

http://www.52pi.net/archives/1020