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Last modified by Xiaoling on 2025/06/10 09:17
From version 49.1
edited by Mengting Qiu
on 2024/01/17 14:59
Change comment: There is no comment for this version
To version 50.1
edited by Edwin Chen
on 2024/01/28 20:01
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.ting
1 +XWiki.Edwin
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]].
822 822  
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 -
832 832  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.
833 833  
834 834  [[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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881 881  [[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"]]
882 882  
883 883  
884 -== 7.4 How to use TTL-USB to connect PC to upgrade firmware? ==
876 +== 7.4 How to upgrade firmware? ==
885 885  
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]].
886 886  
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"]]
888 888  
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 -
925 925  = 8. Order Info =
926 926  
927 927  
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958 958  (1) This device may not cause harmful interference；
959 959  
960 960  (2) this device must accept any interference received, including interference that may cause undesired operation.
961 -
962 -