Last modified by Xiaoling on 2023/07/18 10:12

From version 170.34
edited by Xiaoling
on 2022/06/22 11:29
Change comment: There is no comment for this version
To version 170.25
edited by Xiaoling
on 2022/06/22 11:16
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -59,6 +59,8 @@
59 59  * Datalog feature
60 60  
61 61  
62 +
63 +
62 62  == 1.3 Specification ==
63 63  
64 64  
... ... @@ -83,36 +83,23 @@
83 83  * ±2°C accuracy from -55°C to +125°C
84 84  * Operating Range: -55 °C ~~ 125 °C
85 85  
86 -
87 87  = 2. Connect LHT65N to IoT Server =
88 88  
89 89  == 2.1 How does LHT65N work? ==
90 90  
91 -(((
92 92  LHT65N is configured as LoRaWAN OTAA Class A mode by default. Each LHT65N is shipped with a worldwide unique set of OTAA keys. To use LHT65N in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N.
93 -)))
94 94  
95 -(((
96 96  If LHT65N is under the coverage of this LoRaWAN network. LHT65N can join the LoRaWAN network automatically. After successfully joining, LHT65N will start to measure environment temperature and humidity, and start to transmit sensor data to the LoRaWAN server. The default period for each uplink is 20 minutes.
97 -)))
98 98  
99 99  
100 100  == 2.2 How to Activate LHT65N? ==
101 101  
102 -(((
103 103  The LHT65N has two working modes:
104 -)))
105 105  
106 -* (((
107 -(% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
108 -)))
109 -* (((
110 -(% style="color:blue" %)**Working Mode**(%%):  In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65N will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
111 -)))
101 +* (% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
102 +* (% style="color:blue" %)**Working Mode**(%%):  In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65N will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
112 112  
113 -(((
114 114  The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
115 -)))
116 116  
117 117  
118 118  [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
... ... @@ -267,8 +267,6 @@
267 267  
268 268  
269 269  
270 -
271 -
272 272  === 2.4.1 Decoder in TTN V3 ===
273 273  
274 274  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.
... ... @@ -300,9 +300,6 @@
300 300  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
301 301  
302 302  
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"]]
... ... @@ -313,10 +313,6 @@
313 313  
314 314  * Temperature:  (0xF5C6-65536)/100=-26.18℃
315 315  
316 -
317 -
318 -
319 -
320 320  === 2.4.4 Built-in Humidity ===
321 321  
322 322  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
... ... @@ -323,10 +323,6 @@
323 323  
324 324  * Humidity:    0x025C/10=60.4%
325 325  
326 -
327 -
328 -
329 -
330 330  === 2.4.5 Ext # ===
331 331  
332 332  Bytes for External Sensor:
... ... @@ -480,9 +480,6 @@
480 480  * 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)
481 481  
482 482  
483 -
484 -
485 -
486 486  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
487 487  
488 488  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -559,8 +559,6 @@
559 559  
560 560  
561 561  
562 -
563 -
564 564  === 2.6.2 Unix TimeStamp ===
565 565  
566 566  
... ... @@ -583,37 +583,20 @@
583 583  
584 584  === 2.6.3 Set Device Time ===
585 585  
586 -(((
587 587  There are two ways to set device's time:
588 -)))
589 589  
590 -(((
591 591  **~1. Through LoRaWAN MAC Command (Default settings)**
592 -)))
593 593  
594 -(((
595 595  User need to set SYNCMOD=1 to enable sync time via MAC command.
596 -)))
597 597  
598 -(((
599 599  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).
600 -)))
601 601  
602 -(((
603 603  (% 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.
604 -)))
605 605  
606 -(((
607 -
608 -)))
609 609  
610 -(((
611 611  **2. Manually Set Time**
612 -)))
613 613  
614 -(((
615 615  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
616 -)))
617 617  
618 618  
619 619  
... ... @@ -780,11 +780,9 @@
780 780  (% _mstvisible="2" %)
781 781  (((
782 782  (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
783 -(((
784 784  Poll Message Flag: 1: This message is a poll message reply.
785 785  )))
786 786  )))
787 -)))
788 788  
789 789  (% _mstvisible="1" %)
790 790  * (% _mstvisible="3" %)
... ... @@ -792,21 +792,17 @@
792 792  (% _mstvisible="4" %)
793 793  (((
794 794  (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
795 -(((
796 796  Poll Message Flag is set to 1.
797 797  )))
798 798  )))
799 -)))
800 800  * (% _mstvisible="3" %)
801 801  (((
802 802  (% _mstvisible="4" %)
803 803  (((
804 804  (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
805 -(((
806 806  Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
807 807  )))
808 808  )))
809 -)))
810 810  
811 811  (% _mstvisible="1" %)
812 812  (((
... ... @@ -813,16 +813,12 @@
813 813  (% _mstvisible="2" %)
814 814  (((
815 815  (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
816 -(((
817 817  
818 -)))
819 819  
820 820  (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
821 -(((
822 822  For example, in US915 band, the max payload for different DR is:
823 823  )))
824 824  )))
825 -)))
826 826  
827 827  (% _mstvisible="1" %)
828 828  (((
... ... @@ -829,11 +829,9 @@
829 829  (% _mstvisible="2" %)
830 830  (((
831 831  (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
832 -(((
833 833  a) DR0: max is 11 bytes so one entry of data
834 834  )))
835 835  )))
836 -)))
837 837  
838 838  (% _mstvisible="1" %)
839 839  (((
... ... @@ -840,11 +840,9 @@
840 840  (% _mstvisible="2" %)
841 841  (((
842 842  (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
843 -(((
844 844  b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
845 845  )))
846 846  )))
847 -)))
848 848  
849 849  (% _mstvisible="1" %)
850 850  (((
... ... @@ -851,11 +851,9 @@
851 851  (% _mstvisible="2" %)
852 852  (((
853 853  (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
854 -(((
855 855  c) DR2: total payload includes 11 entries of data
856 856  )))
857 857  )))
858 -)))
859 859  
860 860  (% _mstvisible="1" %)
861 861  (((
... ... @@ -862,11 +862,9 @@
862 862  (% _mstvisible="2" %)
863 863  (((
864 864  (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
865 -(((
866 866  d) DR3: total payload includes 22 entries of data.
867 867  )))
868 868  )))
869 -)))
870 870  
871 871  (% _mstvisible="1" %)
872 872  (((
... ... @@ -873,11 +873,9 @@
873 873  (% _mstvisible="2" %)
874 874  (((
875 875  (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
876 -(((
877 877  If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
878 878  )))
879 879  )))
880 -)))
881 881  
882 882  
883 883  (% _mstvisible="1" style="text-align: left;" %)
... ... @@ -923,86 +923,55 @@
923 923  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
924 924  
925 925  (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
926 -(((
927 927  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
928 -)))
929 929  
930 930  (% _msthash="315237" _msttexthash="1385839" %)
931 -(((
932 932  Where the first 11 bytes is for the first entry:
933 -)))
934 934  
935 935  (% _msthash="315238" _msttexthash="274846" %)
936 -(((
937 937  7FFF089801464160065F97
938 -)))
939 939  
940 940  (% _msthash="315239" _msttexthash="617435" %)
941 -(((
942 942  Ext sensor data=0x7FFF/100=327.67
943 -)))
944 944  
945 945  (% _msthash="315240" _msttexthash="270543" %)
946 -(((
947 947  Temp=0x0898/100=22.00
948 -)))
949 949  
950 950  (% _msthash="315241" _msttexthash="211783" %)
951 -(((
952 952  Hum=0x0146/10=32.6
953 -)))
954 954  
955 955  (% _msthash="315242" _msttexthash="1569776" %)
956 -(((
957 957  poll message flag & Ext=0x41,means reply data,Ext=1
958 -)))
959 959  
960 960  (% _msthash="315243" _msttexthash="1120509" %)
961 -(((
962 962  Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
963 -)))
964 964  
965 965  
966 966  
967 967  == 2.7 Alarm Mode ==
968 968  
969 -(((
970 970  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.
971 -)))
972 972  
973 -(((
974 974  (% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
975 -)))
976 976  
977 -(((
978 978  **AT COMMAND FOR ALARM MODE:**
979 -)))
980 980  
981 981  (% _mstvisible="1" class="box infomessage" %)
982 982  (((
983 -(((
984 984  **AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
985 -)))
986 986  
987 -(((
988 988  **AT+CITEMP=1**:  The interval between checking the alarm temperature. (In minutes)
989 -)))
990 990  
991 -(((
992 992  **AT+ARTEMP**:  Gets or sets the alarm range of the internal temperature sensor
993 -)))
994 994  
995 -(((
996 996  **AT+ARTEMP=? **:  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
997 -)))
998 998  
999 -(((
1000 1000  **AT+ARTEMP=45,105**:  Set the internal temperature sensor alarm range from 45 to 105.
1001 1001  )))
1002 -)))
1003 1003  
1004 1004  
1005 1005  
908 +
1006 1006  == 2.8 LED Indicator ==
1007 1007  
1008 1008  The LHT65 has a triple color LED which for easy showing different stage .
... ... @@ -1012,14 +1012,12 @@
1012 1012  In a normal working state:
1013 1013  
1014 1014  * For each uplink, the BLUE LED or RED LED will blink once.
1015 -BLUE LED when external sensor is connected.
918 + BLUE LED when external sensor is connected.
1016 1016  * RED LED when external sensor is not connected
1017 1017  * For each success downlink, the PURPLE LED will blink once
1018 1018  
1019 1019  
1020 1020  
1021 -
1022 -
1023 1023  == 2.9 installation ==
1024 1024  
1025 1025  (% _mstvisible="1" %)
... ... @@ -1056,52 +1056,28 @@
1056 1056  
1057 1057  
1058 1058  
1059 -
1060 -
1061 1061  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1062 1062  
1063 -(((
1064 1064  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1065 -)))
1066 1066  
1067 -* (((
1068 -AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1069 -)))
964 +* AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1070 1070  
1071 -* (((
1072 -LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1073 -)))
966 +* LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1074 1074  
1075 -(((
1076 1076  There are two kinds of commands to configure LHT65N, they are:
1077 -)))
1078 1078  
1079 -* (((
1080 -(% style="color:#4f81bd" %)**General Commands**.
1081 -)))
970 +* (% style="color:#4f81bd" %)**General Commands**.
1082 1082  
1083 -(((
1084 1084  These commands are to configure:
1085 -)))
1086 1086  
1087 -1. (((
1088 -General system settings like: uplink interval.
1089 -)))
1090 -1. (((
1091 -LoRaWAN protocol & radio-related commands.
1092 -)))
974 +1. General system settings like: uplink interval.
975 +1. LoRaWAN protocol & radio-related commands.
1093 1093  
1094 -(((
1095 1095  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]]
1096 -)))
1097 1097  
1098 -* (((
1099 -(% style="color:#4f81bd" %)**Commands special design for LHT65N**
1100 -)))
979 +* (% style="color:#4f81bd" %)**Commands special design for LHT65N**
1101 1101  
1102 -(((
1103 1103  These commands are only valid for LHT65N, as below:
1104 -)))
1105 1105  
1106 1106  
1107 1107  == 4.1 Set Transmit Interval Time ==
... ... @@ -1123,10 +1123,6 @@
1123 1123  
1124 1124  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1125 1125  
1126 -
1127 -
1128 -
1129 -
1130 1130  == 4.2 Set External Sensor Mode ==
1131 1131  
1132 1132  Feature: Change External Sensor Mode.
... ... @@ -1149,9 +1149,6 @@
1149 1149  * 0xA20702003c: Same as AT+SETCNT=60
1150 1150  
1151 1151  
1152 -
1153 -
1154 -
1155 1155  == 4.3 Enable/Disable uplink Temperature probe ID ==
1156 1156  
1157 1157  (((
... ... @@ -1180,9 +1180,6 @@
1180 1180  * **0xA801**     **~-~->** AT+PID=1
1181 1181  
1182 1182  
1183 -
1184 -
1185 -
1186 1186  == 4.4 Set Password ==
1187 1187  
1188 1188  Feature: Set device password, max 9 digits
... ... @@ -1231,8 +1231,6 @@
1231 1231  
1232 1232  
1233 1233  
1234 -
1235 -
1236 1236  == 4.7 Set system time ==
1237 1237  
1238 1238  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
... ... @@ -1331,8 +1331,6 @@
1331 1331  
1332 1332  
1333 1333  
1334 -
1335 -
1336 1336  == 4.13 Auto Send None-ACK messages ==
1337 1337  
1338 1338  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
... ... @@ -1352,9 +1352,6 @@
1352 1352  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1353 1353  
1354 1354  
1355 -
1356 -
1357 -
1358 1358  = 5. Battery & How to replace =
1359 1359  
1360 1360  == 5.1 Battery Type ==
... ... @@ -1414,12 +1414,16 @@
1414 1414  
1415 1415  (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1416 1416  
1417 -* (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1418 -* (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1419 -* (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1420 -* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1277 +(% _msthash="506062" _msttexthash="1187732" %)
1278 +**✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1421 1421  
1280 +(% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1422 1422  
1282 +(% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1283 +
1284 +(% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1285 +
1286 +
1423 1423  (((
1424 1424  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.
1425 1425  )))
... ... @@ -1758,8 +1758,6 @@
1758 1758  
1759 1759  
1760 1760  
1761 -
1762 -
1763 1763  = 8. Packing Info =
1764 1764  
1765 1765  
... ... @@ -1774,17 +1774,10 @@
1774 1774  * Device Weight: 120.5g
1775 1775  
1776 1776  
1777 -
1778 -
1779 -
1780 1780  = 9. Reference material =
1781 1781  
1782 1782  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1783 1783  
1784 -
1785 -
1786 -
1787 -
1788 1788  = 10. FCC Warning =
1789 1789  
1790 1790  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions: