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

From version 170.33
edited by Xiaoling
on 2022/06/22 11:28
Change comment: There is no comment for this version
To version 170.20
edited by Xiaoling
on 2022/06/22 11:01
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -18,30 +18,17 @@
18 18  
19 19  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
20 20  
21 -
22 -(((
23 23  The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% style="color:#4f81bd" %)**Temperature Sensor.**
24 -)))
25 25  
26 -(((
27 27  The LHT65N allows users to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
28 -)))
29 29  
30 -(((
31 31  LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
32 -)))
33 33  
34 -(((
35 35  LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
36 -)))
37 37  
38 -(((
39 39  LHT65N supports (% style="color:#4f81bd" %)**Datalog Feature**(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
40 -)))
41 41  
42 -(((
43 43  *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
44 -)))
45 45  
46 46  
47 47  == 1.2 Features ==
... ... @@ -58,7 +58,6 @@
58 58  * Tri-color LED to indicate working status
59 59  * Datalog feature
60 60  
61 -
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 -)))
85 +* (% 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.
86 +* (% 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"]]
... ... @@ -268,7 +268,6 @@
268 268  
269 269  
270 270  
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.
... ... @@ -301,8 +301,6 @@
301 301  
302 302  
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"]]
... ... @@ -314,9 +314,6 @@
314 314  * Temperature:  (0xF5C6-65536)/100=-26.18℃
315 315  
316 316  
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"]]
... ... @@ -324,9 +324,6 @@
324 324  * Humidity:    0x025C/10=60.4%
325 325  
326 326  
327 -
328 -
329 -
330 330  === 2.4.5 Ext # ===
331 331  
332 332  Bytes for External Sensor:
... ... @@ -481,8 +481,6 @@
481 481  
482 482  
483 483  
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
... ... @@ -557,10 +557,6 @@
557 557  1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
558 558  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.
559 559  
560 -
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 -(% 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 -)))
876 +(% style="color:red" %)note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
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  
895 +
1006 1006  == 2.8 LED Indicator ==
1007 1007  
1008 1008  The LHT65 has a triple color LED which for easy showing different stage .
... ... @@ -1012,7 +1012,7 @@
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.
905 + 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  
... ... @@ -1019,7 +1019,6 @@
1019 1019  
1020 1020  
1021 1021  
1022 -
1023 1023  == 2.9 installation ==
1024 1024  
1025 1025  (% _mstvisible="1" %)
... ... @@ -1048,6 +1048,7 @@
1048 1048  
1049 1049  Temperature sensor with 2 meters cable long
1050 1050  
940 +
1051 1051  * Resolution: 0.0625 °C
1052 1052  * ±0.5°C accuracy from -10°C to +85°C
1053 1053  * ±2°C accuracy from -55°C to +125°C
... ... @@ -1054,54 +1054,29 @@
1054 1054  * Operating Range: -40 ~~ 125 °C
1055 1055  * Working voltage 2.35v ~~ 5v
1056 1056  
1057 -
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 -)))
951 +* 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 -)))
953 +* 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 -)))
957 +* (% 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 -)))
961 +* General system settings like: uplink interval.
1093 1093  
1094 -(((
963 +* LoRaWAN protocol & radio-related commands.
964 +
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 -)))
967 +* (% 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 ==
... ... @@ -1108,8 +1108,10 @@
1108 1108  
1109 1109  Feature: Change LoRaWAN End Node Transmit Interval.
1110 1110  
976 +
1111 1111  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
1112 1112  
979 +
1113 1113  [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
1114 1114  
1115 1115  
... ... @@ -1124,9 +1124,6 @@
1124 1124  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1125 1125  
1126 1126  
1127 -
1128 -
1129 -
1130 1130  == 4.2 Set External Sensor Mode ==
1131 1131  
1132 1132  Feature: Change External Sensor Mode.
... ... @@ -1135,7 +1135,6 @@
1135 1135  
1136 1136  [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1137 1137  
1138 -
1139 1139  (% style="color:#4f81bd" %)**Downlink Command: 0xA2**
1140 1140  
1141 1141  Total bytes: 2 ~~ 5 bytes
... ... @@ -1146,43 +1146,34 @@
1146 1146  
1147 1147  * 0xA209: Same as AT+EXT=9
1148 1148  
1149 -* 0xA20702003c: Same as AT+SETCNT=60
1012 +* 0xA20702003c,Same as AT+SETCNT=60
1150 1150  
1151 1151  
1152 1152  
1153 -
1154 -
1155 1155  == 4.3 Enable/Disable uplink Temperature probe ID ==
1156 1156  
1157 -(((
1158 1158  Feature: If PID is enabled, device will send the temperature probe ID on:
1159 -)))
1160 1160  
1161 -* (((
1162 -First Packet after OTAA Join
1163 -)))
1164 -* (((
1165 -Every 24 hours since the first packet.
1166 -)))
1020 +* First Packet after OTAA Join
1021 +* Every 24 hours since the first packet.
1167 1167  
1168 -(((
1169 1169  PID is default set to disable (0)
1170 -)))
1171 1171  
1025 +
1172 1172  (% style="color:#4f81bd" %)**AT Command:**
1173 1173  
1028 +
1174 1174  [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1175 1175  
1176 1176  
1177 1177  (% style="color:#4f81bd" %)**Downlink Command:**
1178 1178  
1179 -* **0xA800**  **~-~->** AT+PID=0
1180 -* **0xA801**     **~-~->** AT+PID=1
1181 1181  
1035 +* 0xA800  **~-~->** AT+PID=0
1036 +* 0xA801     **~-~->** AT+PID=1
1182 1182  
1183 1183  
1184 1184  
1185 -
1186 1186  == 4.4 Set Password ==
1187 1187  
1188 1188  Feature: Set device password, max 9 digits
... ... @@ -1189,9 +1189,11 @@
1189 1189  
1190 1190  (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1191 1191  
1046 +
1192 1192  [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1193 1193  
1194 1194  
1050 +
1195 1195  (% style="color:#4f81bd" %)**Downlink Command:**
1196 1196  
1197 1197  No downlink command for this feature.
... ... @@ -1200,13 +1200,17 @@
1200 1200  
1201 1201  == 4.5 Quit AT Command ==
1202 1202  
1059 +
1203 1203  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1204 1204  
1062 +
1205 1205  (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1206 1206  
1065 +
1207 1207  [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1208 1208  
1209 1209  
1069 +
1210 1210  (% style="color:#4f81bd" %)**Downlink Command:**
1211 1211  
1212 1212  No downlink command for this feature.
... ... @@ -1215,35 +1215,40 @@
1215 1215  
1216 1216  == 4.6 Set to sleep mode ==
1217 1217  
1078 +
1218 1218  Feature: Set device to sleep mode
1219 1219  
1220 -* **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1221 -* **AT+Sleep=1** :  Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1081 +* AT+Sleep=0  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1082 +* AT+Sleep=1 : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1222 1222  
1223 1223  (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1224 1224  
1086 +
1225 1225  [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1226 1226  
1227 1227  
1090 +
1228 1228  (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1229 1229  
1093 +
1230 1230  * There is no downlink command to set to Sleep mode.
1231 1231  
1232 -
1233 -
1234 -
1235 -
1236 1236  == 4.7 Set system time ==
1237 1237  
1098 +
1238 1238  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1239 1239  
1101 +
1240 1240  (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1241 1241  
1104 +
1242 1242  [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1243 1243  
1244 1244  
1108 +
1245 1245  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1246 1246  
1111 +
1247 1247  0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1248 1248  
1249 1249  
... ... @@ -1250,13 +1250,10 @@
1250 1250  
1251 1251  == 4.8 Set Time Sync Mode ==
1252 1252  
1253 -(((
1118 +
1254 1254  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1255 -)))
1256 1256  
1257 -(((
1258 1258  SYNCMOD is set to 1 by default. If user want to set a different time from LoRaWAN server, user need to set this to 0.
1259 -)))
1260 1260  
1261 1261  (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1262 1262  
... ... @@ -1263,6 +1263,7 @@
1263 1263  [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1264 1264  
1265 1265  
1128 +
1266 1266  (% style="color:#4f81bd" %)**Downlink Command:**
1267 1267  
1268 1268  0x28 01 ~/~/ Same As AT+SYNCMOD=1
... ... @@ -1272,30 +1272,39 @@
1272 1272  
1273 1273  == 4.9 Set Time Sync Interval ==
1274 1274  
1138 +
1275 1275  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1276 1276  
1141 +
1277 1277  (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1278 1278  
1144 +
1279 1279  [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1280 1280  
1281 1281  
1148 +
1282 1282  (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1283 1283  
1284 -**0x29 0A** ~/~/ Same as AT+SYNCTDC=0x0A
1285 1285  
1152 +0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1286 1286  
1287 1287  
1155 +
1288 1288  == 4.10 Print data entries base on page. ==
1289 1289  
1290 1290  Feature: Print the sector data from start page to stop page (max is 416 pages).
1291 1291  
1160 +
1292 1292  (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1293 1293  
1163 +
1294 1294  [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1295 1295  
1296 1296  
1167 +
1297 1297  (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1298 1298  
1170 +
1299 1299  No downlink commands for feature
1300 1300  
1301 1301  
... ... @@ -1304,8 +1304,10 @@
1304 1304  
1305 1305  Feature: Print the last few data entries
1306 1306  
1179 +
1307 1307  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1308 1308  
1182 +
1309 1309  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1310 1310  
1311 1311  
... ... @@ -1332,7 +1332,6 @@
1332 1332  
1333 1333  
1334 1334  
1335 -
1336 1336  == 4.13 Auto Send None-ACK messages ==
1337 1337  
1338 1338  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
... ... @@ -1353,8 +1353,6 @@
1353 1353  
1354 1354  
1355 1355  
1356 -
1357 -
1358 1358  = 5. Battery & How to replace =
1359 1359  
1360 1360  == 5.1 Battery Type ==
... ... @@ -1763,7 +1763,6 @@
1763 1763  
1764 1764  
1765 1765  
1766 -
1767 1767  = 8. Packing Info =
1768 1768  
1769 1769  
... ... @@ -1770,25 +1770,23 @@
1770 1770  **Package Includes**:
1771 1771  
1772 1772  * LHT65N Temperature & Humidity Sensor x 1
1773 -* Optional external sensor
1774 1774  
1644 +*Optional external sensor
1645 +
1646 +
1775 1775  **Dimension and weight**:
1776 1776  
1777 1777  * Device Size:  10 x 10 x 3.5 cm
1650 +
1778 1778  * Device Weight: 120.5g
1779 1779  
1780 1780  
1781 1781  
1782 -
1783 -
1784 1784  = 9. Reference material =
1785 1785  
1786 1786  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1787 1787  
1788 1788  
1789 -
1790 -
1791 -
1792 1792  = 10. FCC Warning =
1793 1793  
1794 1794  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions: