Last modified by Mengting Qiu on 2025/03/08 11:33
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -62,32 +62,32 @@ 62 62 [[image:image-20230802112413-3.png]] 63 63 64 64 65 -= 2.65 +== 3.2 General MQTT Connection == 66 66 67 + 67 67 The NB-IoT Sensor can send packet to server use MQTT protocol. 68 68 69 -Below are the commands 70 +Below are the commands. 70 70 71 -AT Commands: 72 +**AT Commands:** 72 72 73 -* AT+PRO=3,0 ~/~/ Set to use MQTT protocol to uplink, Payload Type select Hex payload. 74 -* AT+SERVADDR=120.24.4.116,1883 ~/~/ Set MQTT server address and port 75 -* AT+CLIENT=CLIENT 76 -* AT+UNAME=UNAME 77 -* AT+PWD=PWD 78 -* AT+PUBTOPIC=NSE01_PUB 79 -* AT+SUBTOPIC=NSE01_SUB 74 +* **AT+PRO=3,0** ~/~/ Set to use MQTT protocol to uplink, Payload Type select Hex payload. 75 +* **AT+SERVADDR=120.24.4.116,1883** ~/~/ Set MQTT server address and port 76 +* **AT+CLIENT=CLIENT** ~/~/ Set up the CLIENT of MQTT 77 +* **AT+UNAME=UNAME** ~/~/ Set the username of MQTT 78 +* **AT+PWD=PWD** ~/~/ Set the password of MQTT 79 +* **AT+PUBTOPIC=NSE01_PUB** ~/~/ Set the sending topic of MQTT 80 +* **AT+SUBTOPIC=NSE01_SUB** ~/~/ Set the subscription topic of MQTT 80 80 81 81 [[image:image-20230802112413-4.png]] 82 82 83 83 [[image:image-20230802112413-5.png]] 84 84 85 -Notice: MQTT protocol has a much higher power consumption compare with UDP / CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval. 86 +**Notice: MQTT protocol has a much higher power consumption compare with UDP / CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval.** 86 86 87 87 89 +== 3.3 [[ThingSpeak>>url:https://thingspeak.com/]] (via MQTT) == 88 88 89 -= 3. [[ThingSpeak>>url:https://thingspeak.com/]] (via MQTT) = 90 - 91 91 == 1.1 Get MQTT Credentials == 92 92 93 93 [[ThingSpeak>>url:https://thingspeak.com/]] connection uses MQTT Connection. So we need to get MQTT Credentials first. You need to point MQTT Devices to ThingSpeak Channel as well.