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Last modified by Xiaoling on 2025/06/10 09:17
From version 51.2
edited by Xiaoling
on 2024/04/07 10:15
Change comment: There is no comment for this version
To version 49.1
edited by Mengting Qiu
on 2024/01/17 14:59
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.ting
Content
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61 61  
62 62  * Resolution: 0.04 %RH
63 63  * Accuracy Tolerance : Typ ±3 %RH
64 -* Long Term Drift: < 0.25 RH/yr
64 +* Long Term Drift: < 0.02 °C/yr
65 65  * Operating Range: 0 ~~ 96 %RH
66 66  
67 67  (% style="color:#037691" %)**External PIR Sensor:**
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603 603  
604 604  In a normal working state:
605 605  
606 -* For each uplink, the (% style="color:red" %)**RED LED**(%%) will blink once.
607 -* For each success downlink, the (% style="color:purple" %)**PURPLE LED**(%%) will blink once.
606 +* For each uplink, the (% style="color:blue" %)**BLUE LED**(%%) or (% style="color:red" %)**RED LED**(%%) will blink once.
607 +(% style="color:blue" %)**BLUE LED**(%%) when external sensor is connected.
608 +* (% style="color:red" %)**RED LED**(%%) when external sensor is not connected
609 +* For each success downlink, the (% style="color:purple" %)**PURPLE LED**(%%) will blink once
608 608  
609 609  == 2.9 installation ==
610 610  
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817 817  
818 818  == 7.1 How to use AT Command? ==
819 819  
820 -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]].
821 821  
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 +
822 822  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.
823 823  
824 824  [[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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871 871  [[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"]]
872 872  
873 873  
874 -== 7.4 How to upgrade firmware? ==
884 +== 7.4 How to use TTL-USB to connect PC to upgrade firmware? ==
875 875  
876 -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]].
877 877  
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"]]
878 878  
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 +
879 879  = 8. Order Info =
880 880  
881 881  
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912 912  (1) This device may not cause harmful interference；
913 913  
914 914  (2) this device must accept any interference received, including interference that may cause undesired operation.
961 +
962 +