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  • timeseries-4.png

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503	503
504	504	Configure the **Time series chart** widget as follows:
505	505
506		-* **Datasource** - select S31B-NB device you provisioned.
507		-* **Series**:
	506	+* Datasource - select S31B-NB device you provisioned.
	507	+* Series:
508	508	** **temperature** - you can see this key by default.
509		-** **humidity** - Click **Add series** button. Then add the **humidity** for the key and then type **%** as its unit.
	509	+** **humidity** - Click **Add series** button to add the **humidity** and then type **%** as its unit.
510	510	* Click on the **Add** button.
511	511
	512	+
512	512	[[image:timeseries-1.png||height="491" width="700"]]
513	513
514		-
515		-The time-series chart will appear in edit mode. Resize it by clicking and dragging the lower-right corner.
516		-
517		-Click the **Save** button to add the widget to the dashboard.
518		-
519		-
520		-[[image:timeseries-3.png||height="347" width="700"]]
521		-
522		-
523		-Now send the following MQTT messages from the terminal to simulate the data.
524		-
525		-
526		-{{code language="none"}}
527		-mosquitto_pub -d -q 1 -h 011731f7928541588a6cdfbbedfc63f4.s1.eu.hivemq.cloud -p 8883 -t "tb/mqtt-integration-tutorial/sensors/S31B-NB/telemetry" -u "pradeeka" -P "Kalpani123@" -m '{"temperature":20, "humidity":70}'
528		-
529		-mosquitto_pub -d -q 1 -h 011731f7928541588a6cdfbbedfc63f4.s1.eu.hivemq.cloud -p 8883 -t "tb/mqtt-integration-tutorial/sensors/S31B-NB/telemetry" -u "pradeeka" -P "Kalpani123@" -m '{"temperature":22, "humidity":71}'
530		-
531		-mosquitto_pub -d -q 1 -h 011731f7928541588a6cdfbbedfc63f4.s1.eu.hivemq.cloud -p 8883 -t "tb/mqtt-integration-tutorial/sensors/S31B-NB/telemetry" -u "pradeeka" -P "Kalpani123@" -m '{"temperature":18, "humidity":79}'
532		-
533		-{{/code}}
534		-
535		-The chart will update with the values in realtime, as shown in the below image.
536		-
537		-
538		-[[image:timeseries-4.png||height="316" width="700"]]
539		-
540		-
541		-= 7. Configure NB-IoT Sensor =
542		-
543		-
544		-Now, let's experiment with sending data to ThingsBoard using a real NB-IoT device. For example, we will use the **S31B-NB**.
545		-
546		-First, configure the NB-IoT device with the necessary MQTT settings using AT commands. Below is a list of AT commands you can use.
547		-
548		-
549		-**AT Commands**
550		-
551		-* **AT+PRO=3,3    **~/~/ Use MQTT to connect to ThingsBoard. Payload Type set to 3.
552		-
553		-* **AT+SUBTOPIC=<device name>**  Eg.
554		-
555		-* **AT+PUBTOPIC=<device name>**
556		-
557		-* **AT+CLIENT=<device name> or User Defined**
558		-
559		-* **AT+UNAME=<device name> or User Defined**
560		-
561		-* **AT+PWD=<device name> or User Defined**
562		-
563		-Test Uplink by click the button for 1 second
	515	+

timeseries-3.png

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1		-XWiki.pradeeka

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timeseries-4.png

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