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1		-XWiki.Edwin
	1	+XWiki.ting

Content

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819	819
820	820	== 7.1 How to use AT Command? ==
821	821
822		-Refer this link for [[UART Hardware Connection>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H6.1HowtoconnecttoLHT65NUARTinterface3F]].
823	823
	823	+LHT65N-PIR supports AT Command set.User can use a USB to TTL adapter plus the Program Cable to connect to LHT65 for using AT command, as below.
	824	+
	825	+
	826	+[[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615153355-1.png||_mstalt="430222"]]
	827	+
	828	+
	829	+[[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@1655802313617-381.png||_mstalt="293917"]]
	830	+
	831	+
824	824	In PC, User needs to set serial tool(such as [[**putty**>>https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600** (%%)to access to access serial console for LHT65N-PIR. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**(% style="color:red" %))(%%) to active it. Timeout to input AT Command is 5 min, after 5-minute, user need to input password again. User can use AT+DISAT command to disable AT command before timeout.
825	825
826	826	[[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615154519-3.png||_mstalt="431925" height="672" width="807"]]
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873	873	[[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615154519-3.png||_mstalt="431925" height="672" width="807"]]
874	874
875	875
876		-== 7.4 How to upgrade firmware? ==
	884	+== 7.4 How to use TTL-USB to connect PC to upgrade firmware? ==
877	877
878		-Please check [[update instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H6.5Howtoupgradefirmware3F]].
879	879
	887	+[[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615153355-1.png||_mstalt="430222"]]
880	880
	889	+
	890	+(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
	891	+
	892	+[[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615170542-5.png||_mstalt="430638"]]
	893	+
	894	+
	895	+(% _mstmutation="1" style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
	896	+
	897	+First connect the four lines；(% style="display:none" %)
	898	+
	899	+[[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220621170938-1.png||_mstalt="431340" height="413" width="419"]]，(% style="display:none" %)
	900	+
	901	+
	902	+Then use DuPont cable to short circuit port3 and port1, and then release them, so that the device enters bootlaod mode.
	903	+
	904	+[[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220621170938-2.png||_mstalt="431704"]]
	905	+
	906	+
	907	+(% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
	908	+
	909	+[[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615171334-6.png||_mstalt="431028"]]
	910	+
	911	+
	912	+Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade.
	913	+
	914	+
	915	+When this interface appears, it indicates that the download has been completed.
	916	+
	917	+[[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220620160723-8.png||_mstalt="430703"]]
	918	+
	919	+
	920	+Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
	921	+
	922	+[[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615154519-3.png||_mstalt="431925" height="672" width="807"]]
	923	+
	924	+
881	881	= 8. Order Info =
882	882
883	883
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914	914	(1) This device may not cause harmful interference；
915	915
916	916	(2) this device must accept any interference received, including interference that may cause undesired operation.
	961	+
	962	+