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...	...	@@ -503,41 +503,15 @@
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	[[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		-
541	541	= 7. Configure NB-IoT Sensor =
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...	...	@@ -548,7 +548,7 @@
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549	549	**AT Commands**
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551		-* **AT+PRO=3,3    **~/~/ Use MQTT to connect to ThingsBoard. Payload Type set to 3.
	525	+* **AT+PRO=3,3  **~/~/ Use MQTT to connect to ThingsBoard. Payload Type set to 3.
552	552
553	553	* **AT+SUBTOPIC=<device name>**  Eg.
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...	...	@@ -561,3 +561,5 @@
561	561	* **AT+PWD=<device name> or User Defined**
562	562
563	563	Test Uplink by click the button for 1 second
	538	+
	539	+