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Last modified by Xiaoling on 2023/07/18 10:12
From version 170.20
edited by Xiaoling
on 2022/06/22 11:01
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To version 170.27
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
... ... @@ -18,17 +18,30 @@
18 18  
19 19  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
20 20  
21 +
22 +(((
21 21  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 +)))
22 22  
26 +(((
23 23  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 +)))
24 24  
30 +(((
25 25  LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
32 +)))
26 26  
34 +(((
27 27  LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
36 +)))
28 28  
38 +(((
29 29  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 +)))
30 30  
42 +(((
31 31  *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
44 +)))
32 32  
33 33  
34 34  == 1.2 Features ==
... ... @@ -45,6 +45,7 @@
45 45  * Tri-color LED to indicate working status
46 46  * Datalog feature
47 47  
61 +
48 48  == 1.3 Specification ==
49 49  
50 50  
... ... @@ -69,23 +69,37 @@
69 69  * ±2°C accuracy from -55°C to +125°C
70 70  * Operating Range: -55 °C ~~ 125 °C
71 71  
86 +
87 +
72 72  = 2. Connect LHT65N to IoT Server =
73 73  
74 74  == 2.1 How does LHT65N work? ==
75 75  
92 +(((
76 76  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.
94 +)))
77 77  
96 +(((
78 78  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.
98 +)))
79 79  
80 80  
81 81  == 2.2 How to Activate LHT65N? ==
82 82  
103 +(((
83 83  The LHT65N has two working modes:
105 +)))
84 84  
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. 
107 +* (((
108 +(% 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.
109 +)))
110 +* (((
111 +(% 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 +)))
87 87  
114 +(((
88 88  The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
116 +)))
89 89  
90 90  
91 91  [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
... ... @@ -238,9 +238,6 @@
238 238  * The 7th byte (EXT #): defines the external sensor model.
239 239  * 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.)
240 240  
241 -
242 -
243 -
244 244  === 2.4.1 Decoder in TTN V3 ===
245 245  
246 246  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.
... ... @@ -271,8 +271,6 @@
271 271  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
272 272  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
273 273  
274 -
275 -
276 276  === 2.4.3 Built-in Temperature ===
277 277  
278 278  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
... ... @@ -283,7 +283,6 @@
283 283  
284 284  * Temperature:  (0xF5C6-65536)/100=-26.18℃
285 285  
286 -
287 287  === 2.4.4 Built-in Humidity ===
288 288  
289 289  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
... ... @@ -290,7 +290,6 @@
290 290  
291 291  * Humidity:    0x025C/10=60.4%
292 292  
293 -
294 294  === 2.4.5 Ext # ===
295 295  
296 296  Bytes for External Sensor:
... ... @@ -443,8 +443,6 @@
443 443  * 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.
444 444  * 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)
445 445  
446 -
447 -
448 448  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
449 449  
450 450  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -873,7 +873,7 @@
873 873  
874 874  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.
875 875  
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.
895 +(% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
877 877  
878 878  **AT COMMAND FOR ALARM MODE:**
879 879  
... ... @@ -906,9 +906,6 @@
906 906  * RED LED when external sensor is not connected
907 907  * For each success downlink, the PURPLE LED will blink once
908 908  
909 -
910 -
911 -
912 912  == 2.9 installation ==
913 913  
914 914  (% _mstvisible="1" %)
... ... @@ -937,7 +937,6 @@
937 937  
938 938  Temperature sensor with 2 meters cable long
939 939  
940 -
941 941  * Resolution: 0.0625 °C
942 942  * ±0.5°C accuracy from -10°C to +85°C
943 943  * ±2°C accuracy from -55°C to +125°C
... ... @@ -958,10 +958,9 @@
958 958  
959 959  These commands are to configure:
960 960  
961 -* General system settings like: uplink interval.
976 +1. General system settings like: uplink interval.
977 +1. LoRaWAN protocol & radio-related commands.
962 962  
963 -* LoRaWAN protocol & radio-related commands.
964 -
965 965  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]]
966 966  
967 967  * (% style="color:#4f81bd" %)**Commands special design for LHT65N**
... ... @@ -973,10 +973,8 @@
973 973  
974 974  Feature: Change LoRaWAN End Node Transmit Interval.
975 975  
976 -
977 977  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
978 978  
979 -
980 980  [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
981 981  
982 982  
... ... @@ -990,7 +990,6 @@
990 990  
991 991  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
992 992  
993 -
994 994  == 4.2 Set External Sensor Mode ==
995 995  
996 996  Feature: Change External Sensor Mode.
... ... @@ -999,6 +999,7 @@
999 999  
1000 1000  [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1001 1001  
1013 +
1002 1002  (% style="color:#4f81bd" %)**Downlink Command: 0xA2**
1003 1003  
1004 1004  Total bytes: 2 ~~ 5 bytes
... ... @@ -1009,34 +1009,35 @@
1009 1009  
1010 1010  * 0xA209: Same as AT+EXT=9
1011 1011  
1012 -* 0xA20702003c,Same as AT+SETCNT=60
1024 +* 0xA20702003c: Same as AT+SETCNT=60
1013 1013  
1014 -
1015 -
1016 1016  == 4.3 Enable/Disable uplink Temperature probe ID ==
1017 1017  
1028 +(((
1018 1018  Feature: If PID is enabled, device will send the temperature probe ID on:
1030 +)))
1019 1019  
1020 -* First Packet after OTAA Join
1021 -* Every 24 hours since the first packet.
1032 +* (((
1033 +First Packet after OTAA Join
1034 +)))
1035 +* (((
1036 +Every 24 hours since the first packet.
1037 +)))
1022 1022  
1039 +(((
1023 1023  PID is default set to disable (0)
1041 +)))
1024 1024  
1025 -
1026 1026  (% style="color:#4f81bd" %)**AT Command:**
1027 1027  
1028 -
1029 1029  [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1030 1030  
1031 1031  
1032 1032  (% style="color:#4f81bd" %)**Downlink Command:**
1033 1033  
1050 +* **0xA800**  **~-~->** AT+PID=0
1051 +* **0xA801**     **~-~->** AT+PID=1
1034 1034  
1035 -* 0xA800  **~-~->** AT+PID=0
1036 -* 0xA801     **~-~->** AT+PID=1
1037 -
1038 -
1039 -
1040 1040  == 4.4 Set Password ==
1041 1041  
1042 1042  Feature: Set device password, max 9 digits
... ... @@ -1043,11 +1043,9 @@
1043 1043  
1044 1044  (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1045 1045  
1046 -
1047 1047  [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1048 1048  
1049 1049  
1050 -
1051 1051  (% style="color:#4f81bd" %)**Downlink Command:**
1052 1052  
1053 1053  No downlink command for this feature.
... ... @@ -1056,17 +1056,13 @@
1056 1056  
1057 1057  == 4.5 Quit AT Command ==
1058 1058  
1059 -
1060 1060  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1061 1061  
1062 -
1063 1063  (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1064 1064  
1065 -
1066 1066  [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1067 1067  
1068 1068  
1069 -
1070 1070  (% style="color:#4f81bd" %)**Downlink Command:**
1071 1071  
1072 1072  No downlink command for this feature.
... ... @@ -1075,40 +1075,31 @@
1075 1075  
1076 1076  == 4.6 Set to sleep mode ==
1077 1077  
1078 -
1079 1079  Feature: Set device to sleep mode
1080 1080  
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.
1087 +* **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1088 +* **AT+Sleep=1** :  Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1083 1083  
1084 1084  (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1085 1085  
1086 -
1087 1087  [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1088 1088  
1089 1089  
1090 -
1091 1091  (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1092 1092  
1093 -
1094 1094  * There is no downlink command to set to Sleep mode.
1095 1095  
1096 1096  == 4.7 Set system time ==
1097 1097  
1098 -
1099 1099  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1100 1100  
1101 -
1102 1102  (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1103 1103  
1104 -
1105 1105  [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1106 1106  
1107 1107  
1108 -
1109 1109  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1110 1110  
1111 -
1112 1112  0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1113 1113  
1114 1114  
... ... @@ -1115,10 +1115,13 @@
1115 1115  
1116 1116  == 4.8 Set Time Sync Mode ==
1117 1117  
1118 -
1116 +(((
1119 1119  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1118 +)))
1120 1120  
1120 +(((
1121 1121  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.
1122 +)))
1122 1122  
1123 1123  (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1124 1124  
... ... @@ -1125,7 +1125,6 @@
1125 1125  [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1126 1126  
1127 1127  
1128 -
1129 1129  (% style="color:#4f81bd" %)**Downlink Command:**
1130 1130  
1131 1131  0x28 01 ~/~/ Same As AT+SYNCMOD=1
... ... @@ -1135,39 +1135,30 @@
1135 1135  
1136 1136  == 4.9 Set Time Sync Interval ==
1137 1137  
1138 -
1139 1139  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1140 1140  
1141 -
1142 1142  (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1143 1143  
1144 -
1145 1145  [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1146 1146  
1147 1147  
1148 -
1149 1149  (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1150 1150  
1147 +**0x29 0A** ~/~/ Same as AT+SYNCTDC=0x0A
1151 1151  
1152 -0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1153 1153  
1154 1154  
1155 -
1156 1156  == 4.10 Print data entries base on page. ==
1157 1157  
1158 1158  Feature: Print the sector data from start page to stop page (max is 416 pages).
1159 1159  
1160 -
1161 1161  (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1162 1162  
1163 -
1164 1164  [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1165 1165  
1166 1166  
1167 -
1168 1168  (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1169 1169  
1170 -
1171 1171  No downlink commands for feature
1172 1172  
1173 1173  
... ... @@ -1176,10 +1176,8 @@
1176 1176  
1177 1177  Feature: Print the last few data entries
1178 1178  
1179 -
1180 1180  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1181 1181  
1182 -
1183 1183  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1184 1184  
1185 1185  
... ... @@ -1203,9 +1203,6 @@
1203 1203  
1204 1204  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1205 1205  
1206 -
1207 -
1208 -
1209 1209  == 4.13 Auto Send None-ACK messages ==
1210 1210  
1211 1211  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
... ... @@ -1224,8 +1224,6 @@
1224 1224  
1225 1225  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1226 1226  
1227 -
1228 -
1229 1229  = 5. Battery & How to replace =
1230 1230  
1231 1231  == 5.1 Battery Type ==
... ... @@ -1631,9 +1631,6 @@
1631 1631  
1632 1632  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1633 1633  
1634 -
1635 -
1636 -
1637 1637  = 8. Packing Info =
1638 1638  
1639 1639  
... ... @@ -1640,23 +1640,17 @@
1640 1640  **Package Includes**:
1641 1641  
1642 1642  * LHT65N Temperature & Humidity Sensor x 1
1624 +* Optional external sensor
1643 1643  
1644 -*Optional external sensor
1645 -
1646 -
1647 1647  **Dimension and weight**:
1648 1648  
1649 1649  * Device Size:  10 x 10 x 3.5 cm
1650 -
1651 1651  * Device Weight: 120.5g
1652 1652  
1653 -
1654 -
1655 1655  = 9. Reference material =
1656 1656  
1657 1657  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1658 1658  
1659 -
1660 1660  = 10. FCC Warning =
1661 1661  
1662 1662  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions: