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Last modified by Xiaoling on 2023/07/18 10:12
From version 176.1
edited by Bei Jinggeng
on 2022/06/23 11:43
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

Page properties
Author
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1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
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60 60  
61 61  
62 62  
63 -
64 64  == 1.3 Specification ==
65 65  
66 66  
... ... @@ -87,7 +87,6 @@
87 87  
88 88  
89 89  
90 -
91 91  = 2. Connect LHT65N to IoT Server =
92 92  
93 93  == 2.1 How does LHT65N work? ==
... ... @@ -269,8 +269,6 @@
269 269  * The 7th byte (EXT #): defines the external sensor model.
270 270  * The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.)
271 271  
272 -
273 -
274 274  === 2.4.1 Decoder in TTN V3 ===
275 275  
276 276  When the uplink payload arrives TTNv3, it shows HEX format and not friendly to read. We can add LHT65N decoder in TTNv3 for friendly reading.
... ... @@ -301,8 +301,6 @@
301 301  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
302 302  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
303 303  
304 -
305 -
306 306  === 2.4.3 Built-in Temperature ===
307 307  
308 308  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
... ... @@ -313,8 +313,6 @@
313 313  
314 314  * Temperature:  (0xF5C6-65536)/100=-26.18℃
315 315  
316 -
317 -
318 318  === 2.4.4 Built-in Humidity ===
319 319  
320 320  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
... ... @@ -321,8 +321,6 @@
321 321  
322 322  * Humidity:    0x025C/10=60.4%
323 323  
324 -
325 -
326 326  === 2.4.5 Ext # ===
327 327  
328 328  Bytes for External Sensor:
... ... @@ -475,8 +475,6 @@
475 475  * Sync time OK:  1: Set time ok，0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
476 476  * Unix Time Request:  1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this)
477 477  
478 -
479 -
480 480  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
481 481  
482 482  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -551,8 +551,6 @@
551 551  1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
552 552  1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover.
553 553  
554 -
555 -
556 556  === 2.6.2 Unix TimeStamp ===
557 557  
558 558  
... ... @@ -575,37 +575,20 @@
575 575  
576 576  === 2.6.3 Set Device Time ===
577 577  
578 -(((
579 579  There are two ways to set device's time:
580 -)))
581 581  
582 -(((
583 583  **~1. Through LoRaWAN MAC Command (Default settings)**
584 -)))
585 585  
586 -(((
587 587  User need to set SYNCMOD=1 to enable sync time via MAC command.
588 -)))
589 589  
590 -(((
591 591  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).
592 -)))
593 593  
594 -(((
595 595  (% 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.
596 -)))
597 597  
598 -(((
599 -
600 -)))
601 601  
602 -(((
603 603  **2. Manually Set Time**
604 -)))
605 605  
606 -(((
607 607  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
608 -)))
609 609  
610 610  
611 611  
... ... @@ -772,11 +772,9 @@
772 772  (% _mstvisible="2" %)
773 773  (((
774 774  (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
775 -(((
776 776  Poll Message Flag: 1: This message is a poll message reply.
777 777  )))
778 778  )))
779 -)))
780 780  
781 781  (% _mstvisible="1" %)
782 782  * (% _mstvisible="3" %)
... ... @@ -784,21 +784,17 @@
784 784  (% _mstvisible="4" %)
785 785  (((
786 786  (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
787 -(((
788 788  Poll Message Flag is set to 1.
789 789  )))
790 790  )))
791 -)))
792 792  * (% _mstvisible="3" %)
793 793  (((
794 794  (% _mstvisible="4" %)
795 795  (((
796 796  (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
797 -(((
798 798  Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
799 799  )))
800 800  )))
801 -)))
802 802  
803 803  (% _mstvisible="1" %)
804 804  (((
... ... @@ -805,16 +805,12 @@
805 805  (% _mstvisible="2" %)
806 806  (((
807 807  (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
808 -(((
809 809  
810 -)))
811 811  
812 812  (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
813 -(((
814 814  For example, in US915 band, the max payload for different DR is:
815 815  )))
816 816  )))
817 -)))
818 818  
819 819  (% _mstvisible="1" %)
820 820  (((
... ... @@ -821,11 +821,9 @@
821 821  (% _mstvisible="2" %)
822 822  (((
823 823  (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
824 -(((
825 825  a) DR0: max is 11 bytes so one entry of data
826 826  )))
827 827  )))
828 -)))
829 829  
830 830  (% _mstvisible="1" %)
831 831  (((
... ... @@ -832,11 +832,9 @@
832 832  (% _mstvisible="2" %)
833 833  (((
834 834  (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
835 -(((
836 836  b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
837 837  )))
838 838  )))
839 -)))
840 840  
841 841  (% _mstvisible="1" %)
842 842  (((
... ... @@ -843,11 +843,9 @@
843 843  (% _mstvisible="2" %)
844 844  (((
845 845  (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
846 -(((
847 847  c) DR2: total payload includes 11 entries of data
848 848  )))
849 849  )))
850 -)))
851 851  
852 852  (% _mstvisible="1" %)
853 853  (((
... ... @@ -854,11 +854,9 @@
854 854  (% _mstvisible="2" %)
855 855  (((
856 856  (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
857 -(((
858 858  d) DR3: total payload includes 22 entries of data.
859 859  )))
860 860  )))
861 -)))
862 862  
863 863  (% _mstvisible="1" %)
864 864  (((
... ... @@ -865,11 +865,9 @@
865 865  (% _mstvisible="2" %)
866 866  (((
867 867  (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
868 -(((
869 869  If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
870 870  )))
871 871  )))
872 -)))
873 873  
874 874  
875 875  (% _mstvisible="1" style="text-align: left;" %)
... ... @@ -915,86 +915,55 @@
915 915  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
916 916  
917 917  (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
918 -(((
919 919  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
920 -)))
921 921  
922 922  (% _msthash="315237" _msttexthash="1385839" %)
923 -(((
924 924  Where the first 11 bytes is for the first entry:
925 -)))
926 926  
927 927  (% _msthash="315238" _msttexthash="274846" %)
928 -(((
929 929  7FFF089801464160065F97
930 -)))
931 931  
932 932  (% _msthash="315239" _msttexthash="617435" %)
933 -(((
934 934  Ext sensor data=0x7FFF/100=327.67
935 -)))
936 936  
937 937  (% _msthash="315240" _msttexthash="270543" %)
938 -(((
939 939  Temp=0x0898/100=22.00
940 -)))
941 941  
942 942  (% _msthash="315241" _msttexthash="211783" %)
943 -(((
944 944  Hum=0x0146/10=32.6
945 -)))
946 946  
947 947  (% _msthash="315242" _msttexthash="1569776" %)
948 -(((
949 949  poll message flag & Ext=0x41,means reply data,Ext=1
950 -)))
951 951  
952 952  (% _msthash="315243" _msttexthash="1120509" %)
953 -(((
954 954  Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
955 -)))
956 956  
957 957  
958 958  
959 959  == 2.7 Alarm Mode ==
960 960  
961 -(((
962 962  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.
963 -)))
964 964  
965 -(((
966 966  (% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
967 -)))
968 968  
969 -(((
970 970  **AT COMMAND FOR ALARM MODE:**
971 -)))
972 972  
973 973  (% _mstvisible="1" class="box infomessage" %)
974 974  (((
975 -(((
976 976  **AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
977 -)))
978 978  
979 -(((
980 980  **AT+CITEMP=1**:  The interval between checking the alarm temperature. (In minutes)
981 -)))
982 982  
983 -(((
984 984  **AT+ARTEMP**:  Gets or sets the alarm range of the internal temperature sensor
985 -)))
986 986  
987 -(((
988 988  **AT+ARTEMP=？ **:  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
989 -)))
990 990  
991 -(((
992 992  **AT+ARTEMP=45,105**:  Set the internal temperature sensor alarm range from 45 to 105.
993 993  )))
994 -)))
995 995  
996 996  
997 997  
915 +
998 998  == 2.8 LED Indicator ==
999 999  
1000 1000  The LHT65 has a triple color LED which for easy showing different stage .
... ... @@ -1004,12 +1004,10 @@
1004 1004  In a normal working state:
1005 1005  
1006 1006  * For each uplink, the BLUE LED or RED LED will blink once.
1007 -BLUE LED when external sensor is connected.
925 + BLUE LED when external sensor is connected.
1008 1008  * RED LED when external sensor is not connected
1009 1009  * For each success downlink, the PURPLE LED will blink once
1010 1010  
1011 -
1012 -
1013 1013  == 2.9 installation ==
1014 1014  
1015 1015  (% _mstvisible="1" %)
... ... @@ -1044,52 +1044,28 @@
1044 1044  * Operating Range: -40 ~~ 125 °C
1045 1045  * Working voltage 2.35v ~~ 5v
1046 1046  
1047 -
1048 -
1049 1049  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1050 1050  
1051 -(((
1052 1052  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1053 -)))
1054 1054  
1055 -* (((
1056 -AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1057 -)))
967 +* AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1058 1058  
1059 -* (((
1060 -LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1061 -)))
969 +* LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1062 1062  
1063 -(((
1064 1064  There are two kinds of commands to configure LHT65N, they are:
1065 -)))
1066 1066  
1067 -* (((
1068 -(% style="color:#4f81bd" %)**General Commands**.
1069 -)))
973 +* (% style="color:#4f81bd" %)**General Commands**.
1070 1070  
1071 -(((
1072 1072  These commands are to configure:
1073 -)))
1074 1074  
1075 -1. (((
1076 -General system settings like: uplink interval.
1077 -)))
1078 -1. (((
1079 -LoRaWAN protocol & radio-related commands.
1080 -)))
977 +1. General system settings like: uplink interval.
978 +1. LoRaWAN protocol & radio-related commands.
1081 1081  
1082 -(((
1083 1083  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]]
1084 -)))
1085 1085  
1086 -* (((
1087 -(% style="color:#4f81bd" %)**Commands special design for LHT65N**
1088 -)))
982 +* (% style="color:#4f81bd" %)**Commands special design for LHT65N**
1089 1089  
1090 -(((
1091 1091  These commands are only valid for LHT65N, as below:
1092 -)))
1093 1093  
1094 1094  
1095 1095  == 4.1 Set Transmit Interval Time ==
... ... @@ -1111,8 +1111,6 @@
1111 1111  
1112 1112  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1113 1113  
1114 -
1115 -
1116 1116  == 4.2 Set External Sensor Mode ==
1117 1117  
1118 1118  Feature: Change External Sensor Mode.
... ... @@ -1134,8 +1134,6 @@
1134 1134  
1135 1135  * 0xA20702003c: Same as AT+SETCNT=60
1136 1136  
1137 -
1138 -
1139 1139  == 4.3 Enable/Disable uplink Temperature probe ID ==
1140 1140  
1141 1141  (((
... ... @@ -1163,8 +1163,6 @@
1163 1163  * **0xA800**  **~-~->** AT+PID=0
1164 1164  * **0xA801**     **~-~->** AT+PID=1
1165 1165  
1166 -
1167 -
1168 1168  == 4.4 Set Password ==
1169 1169  
1170 1170  Feature: Set device password, max 9 digits
... ... @@ -1211,8 +1211,6 @@
1211 1211  
1212 1212  * There is no downlink command to set to Sleep mode.
1213 1213  
1214 -
1215 -
1216 1216  == 4.7 Set system time ==
1217 1217  
1218 1218  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
... ... @@ -1309,8 +1309,6 @@
1309 1309  
1310 1310  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1311 1311  
1312 -
1313 -
1314 1314  == 4.13 Auto Send None-ACK messages ==
1315 1315  
1316 1316  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
... ... @@ -1329,8 +1329,6 @@
1329 1329  
1330 1330  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1331 1331  
1332 -
1333 -
1334 1334  = 5. Battery & How to replace =
1335 1335  
1336 1336  == 5.1 Battery Type ==
... ... @@ -1390,11 +1390,16 @@
1390 1390  
1391 1391  (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1392 1392  
1393 -* (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1394 -* (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1395 -* (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1396 -* (% 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(%%)**
1397 1397  
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 +
1398 1398  (((
1399 1399  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.
1400 1400  )))
... ... @@ -1703,59 +1703,7 @@
1703 1703  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1704 1704  
1705 1705  
1706 -== 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1707 1707  
1708 -[[image:image-20220623110706-1.png]]
1709 -
1710 -
1711 -[[image:image-20220623112117-4.png||height="459" width="343"]]
1712 -
1713 -(((
1714 -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.
1715 -)))
1716 -
1717 -
1718 -Input password and ATZ to activate LHT65N,As shown below:
1719 -
1720 -[[image:image-20220615154519-3.png||height="672" width="807"]]
1721 -
1722 -
1723 -== 6.6 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1724 -
1725 -[[image:image-20220623110706-1.png]]
1726 -
1727 -(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1728 -
1729 -[[image:image-20220615170542-5.png]]
1730 -
1731 -
1732 -(% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1733 -
1734 -(% _msthash="506146" _msttexthash="52173160" %)
1735 -First connect the four lines；
1736 -
1737 -(% _msthash="506146" _msttexthash="52173160" %)
1738 -[[image:image-20220623113959-5.png||height="528" width="397"]]
1739 -
1740 -(% _msthash="506146" _msttexthash="52173160" %)
1741 -Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1742 -
1743 -(% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1744 -
1745 -[[image:image-20220615171334-6.png]]
1746 -
1747 -
1748 -Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade.
1749 -
1750 -
1751 -When this interface appears, it indicates that the download has been completed.
1752 -
1753 -[[image:image-20220620160723-8.png]]
1754 -
1755 -
1756 -Finally,restart reset device again
1757 -
1758 -
1759 1759  = 7. Order Info =
1760 1760  
1761 1761  
... ... @@ -1783,8 +1783,6 @@
1783 1783  
1784 1784  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1785 1785  
1786 -
1787 -
1788 1788  = 8. Packing Info =
1789 1789  
1790 1790  
... ... @@ -1798,14 +1798,10 @@
1798 1798  * Device Size:  10 x 10 x 3.5 cm
1799 1799  * Device Weight: 120.5g
1800 1800  
1801 -
1802 -
1803 1803  = 9. Reference material =
1804 1804  
1805 1805  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1806 1806  
1807 -
1808 -
1809 1809  = 10. FCC Warning =
1810 1810  
1811 1811  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
image-20220623110706-1.png
Author
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1 -XWiki.Bei
Size
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Content
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