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...	...	@@ -503,15 +503,41 @@
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 to add the **humidity** and then type **%** as its unit.
	509	+** **humidity** - Click **Add series** button. Then add the **humidity** for the key and then type **%** as its unit.
510	510	* Click on the **Add** button.
511	511
512	512	[[image:timeseries-1.png||height="491" width="700"]]
513	513
514	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	+
515	515	= 7. Configure NB-IoT Sensor =
516	516
517	517
...	...	@@ -522,7 +522,7 @@
522	522
523	523	**AT Commands**
524	524
525		-* **AT+PRO=3,3  **~/~/ Use MQTT to connect to ThingsBoard. Payload Type set to 3.
	551	+* **AT+PRO=3,3    **~/~/ Use MQTT to connect to ThingsBoard. Payload Type set to 3.
526	526
527	527	* **AT+SUBTOPIC=<device name>**  Eg.
528	528
...	...	@@ -535,5 +535,3 @@
535	535	* **AT+PWD=<device name> or User Defined**
536	536
537	537	Test Uplink by click the button for 1 second
538		-
539		-