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Last modified by Xiaoling on 2023/07/18 10:12
From version 185.3
edited by Xiaoling
on 2022/06/29 13:58
Change comment: There is no comment for this version
To version 170.28
edited by Xiaoling
on 2022/06/22 11:17
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -58,6 +58,8 @@
58 58  * Tri-color LED to indicate working status
59 59  * Datalog feature
60 60  
61 +
62 +
61 61  == 1.3 Specification ==
62 62  
63 63  
... ... @@ -82,6 +82,8 @@
82 82  * ±2°C accuracy from -55°C to +125°C
83 83  * Operating Range: -55 °C ~~ 125 °C
84 84  
87 +
88 +
85 85  = 2. Connect LHT65N to IoT Server =
86 86  
87 87  == 2.1 How does LHT65N work? ==
... ... @@ -471,42 +471,8 @@
471 471  
472 472  AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
473 473  
474 -For example:
475 475  
476 -AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
477 477  
478 -
479 -Or use **downlink command A2** to set the same.
480 -
481 -The measuring range of the node is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
482 -
483 -When the measured output voltage of the sensor is not within the range of 0.1V and 1.1V, the output voltage terminal of the sensor shall be divided The example in the following figure is to reduce the output voltage of the sensor by three times If it is necessary to reduce more times, calculate according to the formula in the figure and connect the corresponding resistance in series.
484 -
485 -[[image:image-20220628150112-1.png||height="241" width="285"]]
486 -
487 -
488 -When ADC_IN1 pin is connected to GND or suspended, ADC value is 0
489 -
490 -[[image:image-20220628150714-4.png]]
491 -
492 -
493 -When the voltage collected by ADC_IN1 is less than the minimum range, the minimum range will be used as the output; Similarly, when the collected voltage is greater than the maximum range, the maximum range will be used as the output.
494 -
495 -1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
496 -
497 -[[image:image-20220628151005-5.png]]
498 -
499 -
500 -2) The maximum range is about 1.1V. Each chip has internal calibration, so this value is close to 1.1v
501 -
502 -[[image:image-20220628151056-6.png]]
503 -
504 -
505 -3) Within range
506 -
507 -[[image:image-20220628151143-7.png]]
508 -
509 -
510 510  == 2.5 Show data on Datacake ==
511 511  
512 512  (((
... ... @@ -591,37 +591,20 @@
591 591  
592 592  === 2.6.3 Set Device Time ===
593 593  
594 -(((
595 595  There are two ways to set device's time:
596 -)))
597 597  
598 -(((
599 599  **~1. Through LoRaWAN MAC Command (Default settings)**
600 -)))
601 601  
602 -(((
603 603  User need to set SYNCMOD=1 to enable sync time via MAC command.
604 -)))
605 605  
606 -(((
607 607  Once LHT65N Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to LHT65N. If LHT65N fails to get the time from the server, LHT65N will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
608 -)))
609 609  
610 -(((
611 611  (% style="color:red" %)Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn’t support. If server doesn’t support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.
612 -)))
613 613  
614 -(((
615 -
616 -)))
617 617  
618 -(((
619 619  **2. Manually Set Time**
620 -)))
621 621  
622 -(((
623 623  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
624 -)))
625 625  
626 626  
627 627  
... ... @@ -788,11 +788,9 @@
788 788  (% _mstvisible="2" %)
789 789  (((
790 790  (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
791 -(((
792 792  Poll Message Flag: 1: This message is a poll message reply.
793 793  )))
794 794  )))
795 -)))
796 796  
797 797  (% _mstvisible="1" %)
798 798  * (% _mstvisible="3" %)
... ... @@ -800,21 +800,17 @@
800 800  (% _mstvisible="4" %)
801 801  (((
802 802  (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
803 -(((
804 804  Poll Message Flag is set to 1.
805 805  )))
806 806  )))
807 -)))
808 808  * (% _mstvisible="3" %)
809 809  (((
810 810  (% _mstvisible="4" %)
811 811  (((
812 812  (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
813 -(((
814 814  Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
815 815  )))
816 816  )))
817 -)))
818 818  
819 819  (% _mstvisible="1" %)
820 820  (((
... ... @@ -821,16 +821,12 @@
821 821  (% _mstvisible="2" %)
822 822  (((
823 823  (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
824 -(((
825 825  
826 -)))
827 827  
828 828  (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
829 -(((
830 830  For example, in US915 band, the max payload for different DR is:
831 831  )))
832 832  )))
833 -)))
834 834  
835 835  (% _mstvisible="1" %)
836 836  (((
... ... @@ -837,11 +837,9 @@
837 837  (% _mstvisible="2" %)
838 838  (((
839 839  (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
840 -(((
841 841  a) DR0: max is 11 bytes so one entry of data
842 842  )))
843 843  )))
844 -)))
845 845  
846 846  (% _mstvisible="1" %)
847 847  (((
... ... @@ -848,11 +848,9 @@
848 848  (% _mstvisible="2" %)
849 849  (((
850 850  (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
851 -(((
852 852  b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
853 853  )))
854 854  )))
855 -)))
856 856  
857 857  (% _mstvisible="1" %)
858 858  (((
... ... @@ -859,11 +859,9 @@
859 859  (% _mstvisible="2" %)
860 860  (((
861 861  (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
862 -(((
863 863  c) DR2: total payload includes 11 entries of data
864 864  )))
865 865  )))
866 -)))
867 867  
868 868  (% _mstvisible="1" %)
869 869  (((
... ... @@ -870,11 +870,9 @@
870 870  (% _mstvisible="2" %)
871 871  (((
872 872  (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
873 -(((
874 874  d) DR3: total payload includes 22 entries of data.
875 875  )))
876 876  )))
877 -)))
878 878  
879 879  (% _mstvisible="1" %)
880 880  (((
... ... @@ -881,11 +881,9 @@
881 881  (% _mstvisible="2" %)
882 882  (((
883 883  (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
884 -(((
885 885  If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
886 886  )))
887 887  )))
888 -)))
889 889  
890 890  
891 891  (% _mstvisible="1" style="text-align: left;" %)
... ... @@ -931,86 +931,55 @@
931 931  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
932 932  
933 933  (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
934 -(((
935 935  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
936 -)))
937 937  
938 938  (% _msthash="315237" _msttexthash="1385839" %)
939 -(((
940 940  Where the first 11 bytes is for the first entry:
941 -)))
942 942  
943 943  (% _msthash="315238" _msttexthash="274846" %)
944 -(((
945 945  7FFF089801464160065F97
946 -)))
947 947  
948 948  (% _msthash="315239" _msttexthash="617435" %)
949 -(((
950 950  Ext sensor data=0x7FFF/100=327.67
951 -)))
952 952  
953 953  (% _msthash="315240" _msttexthash="270543" %)
954 -(((
955 955  Temp=0x0898/100=22.00
956 -)))
957 957  
958 958  (% _msthash="315241" _msttexthash="211783" %)
959 -(((
960 960  Hum=0x0146/10=32.6
961 -)))
962 962  
963 963  (% _msthash="315242" _msttexthash="1569776" %)
964 -(((
965 965  poll message flag & Ext=0x41,means reply data,Ext=1
966 -)))
967 967  
968 968  (% _msthash="315243" _msttexthash="1120509" %)
969 -(((
970 970  Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
971 -)))
972 972  
973 973  
974 974  
975 975  == 2.7 Alarm Mode ==
976 976  
977 -(((
978 978  when the device is in alarm mode, it checks the built-in sensor temperature for a short time. if the temperature exceeds the preconfigured range, it sends an uplink immediately.
979 -)))
980 980  
981 -(((
982 982  (% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
983 -)))
984 984  
985 -(((
986 986  **AT COMMAND FOR ALARM MODE:**
987 -)))
988 988  
989 989  (% _mstvisible="1" class="box infomessage" %)
990 990  (((
991 -(((
992 992  **AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
993 -)))
994 994  
995 -(((
996 996  **AT+CITEMP=1**:  The interval between checking the alarm temperature. (In minutes)
997 -)))
998 998  
999 -(((
1000 1000  **AT+ARTEMP**:  Gets or sets the alarm range of the internal temperature sensor
1001 -)))
1002 1002  
1003 -(((
1004 1004  **AT+ARTEMP=？ **:  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1005 -)))
1006 1006  
1007 -(((
1008 1008  **AT+ARTEMP=45,105**:  Set the internal temperature sensor alarm range from 45 to 105.
1009 1009  )))
1010 -)))
1011 1011  
1012 1012  
1013 1013  
915 +
1014 1014  == 2.8 LED Indicator ==
1015 1015  
1016 1016  The LHT65 has a triple color LED which for easy showing different stage .
... ... @@ -1020,7 +1020,7 @@
1020 1020  In a normal working state:
1021 1021  
1022 1022  * For each uplink, the BLUE LED or RED LED will blink once.
1023 -BLUE LED when external sensor is connected.
925 + BLUE LED when external sensor is connected.
1024 1024  * RED LED when external sensor is not connected
1025 1025  * For each success downlink, the PURPLE LED will blink once
1026 1026  
... ... @@ -1037,24 +1037,8 @@
1037 1037  
1038 1038  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1039 1039  
1040 -**1m long breakout cable for LHT65N. Features:**
942 +1m long breakout cable for LHT65N
1041 1041  
1042 -* (((
1043 -Use for AT Command， works for both LHT52/LHT65N
1044 -)))
1045 -* (((
1046 -Update firmware for LHT65N, works for both LHT52/LHT65N
1047 -)))
1048 -* (((
1049 -Supports ADC mode to monitor external ADC
1050 -)))
1051 -* (((
1052 -Supports Interrupt mode
1053 -)))
1054 -* (((
1055 -Exposed All pins from the LHT65N Type-C connector.
1056 -)))
1057 -
1058 1058  [[image:image-20220619092421-3.png||height="371" width="529"]]
1059 1059  
1060 1060  
... ... @@ -1076,48 +1076,26 @@
1076 1076  
1077 1077  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1078 1078  
1079 -(((
1080 1080  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1081 -)))
1082 1082  
1083 -* (((
1084 -AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1085 -)))
967 +* AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1086 1086  
1087 -* (((
1088 -LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1089 -)))
969 +* LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1090 1090  
1091 -(((
1092 1092  There are two kinds of commands to configure LHT65N, they are:
1093 -)))
1094 1094  
1095 -* (((
1096 -(% style="color:#4f81bd" %)**General Commands**.
1097 -)))
973 +* (% style="color:#4f81bd" %)**General Commands**.
1098 1098  
1099 -(((
1100 1100  These commands are to configure:
1101 -)))
1102 1102  
1103 -1. (((
1104 -General system settings like: uplink interval.
1105 -)))
1106 -1. (((
1107 -LoRaWAN protocol & radio-related commands.
1108 -)))
977 +1. General system settings like: uplink interval.
978 +1. LoRaWAN protocol & radio-related commands.
1109 1109  
1110 -(((
1111 1111  They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki: [[End Device Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
1112 -)))
1113 1113  
1114 -* (((
1115 -(% style="color:#4f81bd" %)**Commands special design for LHT65N**
1116 -)))
982 +* (% style="color:#4f81bd" %)**Commands special design for LHT65N**
1117 1117  
1118 -(((
1119 1119  These commands are only valid for LHT65N, as below:
1120 -)))
1121 1121  
1122 1122  
1123 1123  == 4.1 Set Transmit Interval Time ==
... ... @@ -1406,11 +1406,16 @@
1406 1406  
1407 1407  (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1408 1408  
1409 -* (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1410 -* (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1411 -* (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1412 -* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1273 +(% _msthash="506062" _msttexthash="1187732" %)
1274 +**✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1413 1413  
1276 +(% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1277 +
1278 +(% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1279 +
1280 +(% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1281 +
1282 +
1414 1414  (((
1415 1415  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. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**) (%%)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.
1416 1416  )))
... ... @@ -1719,59 +1719,7 @@
1719 1719  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1720 1720  
1721 1721  
1722 -== 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1723 1723  
1724 -[[image:image-20220623110706-1.png]]
1725 -
1726 -
1727 -[[image:image-20220623112117-4.png||height="459" width="343"]]
1728 -
1729 -(((
1730 -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. 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.
1731 -)))
1732 -
1733 -
1734 -Input password and ATZ to activate LHT65N,As shown below:
1735 -
1736 -[[image:image-20220615154519-3.png||height="672" width="807"]]
1737 -
1738 -
1739 -== 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1740 -
1741 -[[image:image-20220623110706-1.png]]
1742 -
1743 -(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1744 -
1745 -[[image:image-20220615170542-5.png]]
1746 -
1747 -
1748 -(% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1749 -
1750 -(% _msthash="506146" _msttexthash="52173160" %)
1751 -First connect the four lines；
1752 -
1753 -(% _msthash="506146" _msttexthash="52173160" %)
1754 -[[image:image-20220623113959-5.png||height="528" width="397"]]
1755 -
1756 -(% _msthash="506146" _msttexthash="52173160" %)
1757 -Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1758 -
1759 -(% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1760 -
1761 -[[image:image-20220615171334-6.png]]
1762 -
1763 -
1764 -Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade.
1765 -
1766 -
1767 -When this interface appears, it indicates that the download has been completed.
1768 -
1769 -[[image:image-20220620160723-8.png]]
1770 -
1771 -
1772 -Finally,restart reset device again
1773 -
1774 -
1775 1775  = 7. Order Info =
1776 1776  
1777 1777  
... ... @@ -1799,10 +1799,6 @@
1799 1799  
1800 1800  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1801 1801  
1802 -
1803 -
1804 -
1805 -
1806 1806  = 8. Packing Info =
1807 1807  
1808 1808  
... ... @@ -1816,18 +1816,10 @@
1816 1816  * Device Size:  10 x 10 x 3.5 cm
1817 1817  * Device Weight: 120.5g
1818 1818  
1819 -
1820 -
1821 -
1822 -
1823 1823  = 9. Reference material =
1824 1824  
1825 1825  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1826 1826  
1827 -
1828 -
1829 -
1830 -
1831 1831  = 10. FCC Warning =
1832 1832  
1833 1833  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
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