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Last modified by Xiaoling on 2023/07/18 10:12
From version 170.27
edited by Xiaoling
on 2022/06/22 11:17
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To version 170.20
edited by Xiaoling
on 2022/06/22 11:01
Change comment: There is no comment for this version

Summary

Details

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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  
... ... @@ -83,37 +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 -
88 88  = 2. Connect LHT65N to IoT Server =
89 89  
90 90  == 2.1 How does LHT65N work? ==
91 91  
92 -(((
93 93  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 -)))
95 95  
96 -(((
97 97  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 -)))
99 99  
100 100  
101 101  == 2.2 How to Activate LHT65N? ==
102 102  
103 -(((
104 104  The LHT65N has two working modes:
105 -)))
106 106  
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 -)))
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. 
113 113  
114 -(((
115 115  The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
116 -)))
117 117  
118 118  
119 119  [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
... ... @@ -266,6 +266,9 @@
266 266  * The 7th byte (EXT #): defines the external sensor model.
267 267  * 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.)
268 268  
241 +
242 +
243 +
269 269  === 2.4.1 Decoder in TTN V3 ===
270 270  
271 271  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.
... ... @@ -296,6 +296,8 @@
296 296  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
297 297  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
298 298  
274 +
275 +
299 299  === 2.4.3 Built-in Temperature ===
300 300  
301 301  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
... ... @@ -306,6 +306,7 @@
306 306  
307 307  * Temperature:  (0xF5C6-65536)/100=-26.18℃
308 308  
286 +
309 309  === 2.4.4 Built-in Humidity ===
310 310  
311 311  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
... ... @@ -312,6 +312,7 @@
312 312  
313 313  * Humidity:    0x025C/10=60.4%
314 314  
293 +
315 315  === 2.4.5 Ext # ===
316 316  
317 317  Bytes for External Sensor:
... ... @@ -464,6 +464,8 @@
464 464  * 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.
465 465  * 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)
466 466  
446 +
447 +
467 467  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
468 468  
469 469  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -892,7 +892,7 @@
892 892  
893 893  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.
894 894  
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.
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.
896 896  
897 897  **AT COMMAND FOR ALARM MODE:**
898 898  
... ... @@ -925,6 +925,9 @@
925 925  * RED LED when external sensor is not connected
926 926  * For each success downlink, the PURPLE LED will blink once
927 927  
909 +
910 +
911 +
928 928  == 2.9 installation ==
929 929  
930 930  (% _mstvisible="1" %)
... ... @@ -953,6 +953,7 @@
953 953  
954 954  Temperature sensor with 2 meters cable long
955 955  
940 +
956 956  * Resolution: 0.0625 °C
957 957  * ±0.5°C accuracy from -10°C to +85°C
958 958  * ±2°C accuracy from -55°C to +125°C
... ... @@ -973,9 +973,10 @@
973 973  
974 974  These commands are to configure:
975 975  
976 -1. General system settings like: uplink interval.
977 -1. LoRaWAN protocol & radio-related commands.
961 +* General system settings like: uplink interval.
978 978  
963 +* LoRaWAN protocol & radio-related commands.
964 +
979 979  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]]
980 980  
981 981  * (% style="color:#4f81bd" %)**Commands special design for LHT65N**
... ... @@ -987,8 +987,10 @@
987 987  
988 988  Feature: Change LoRaWAN End Node Transmit Interval.
989 989  
976 +
990 990  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
991 991  
979 +
992 992  [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
993 993  
994 994  
... ... @@ -1002,6 +1002,7 @@
1002 1002  
1003 1003  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1004 1004  
993 +
1005 1005  == 4.2 Set External Sensor Mode ==
1006 1006  
1007 1007  Feature: Change External Sensor Mode.
... ... @@ -1010,7 +1010,6 @@
1010 1010  
1011 1011  [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1012 1012  
1013 -
1014 1014  (% style="color:#4f81bd" %)**Downlink Command: 0xA2**
1015 1015  
1016 1016  Total bytes: 2 ~~ 5 bytes
... ... @@ -1021,35 +1021,34 @@
1021 1021  
1022 1022  * 0xA209: Same as AT+EXT=9
1023 1023  
1024 -* 0xA20702003c: Same as AT+SETCNT=60
1012 +* 0xA20702003c,Same as AT+SETCNT=60
1025 1025  
1014 +
1015 +
1026 1026  == 4.3 Enable/Disable uplink Temperature probe ID ==
1027 1027  
1028 -(((
1029 1029  Feature: If PID is enabled, device will send the temperature probe ID on:
1030 -)))
1031 1031  
1032 -* (((
1033 -First Packet after OTAA Join
1034 -)))
1035 -* (((
1036 -Every 24 hours since the first packet.
1037 -)))
1020 +* First Packet after OTAA Join
1021 +* Every 24 hours since the first packet.
1038 1038  
1039 -(((
1040 1040  PID is default set to disable (0)
1041 -)))
1042 1042  
1025 +
1043 1043  (% style="color:#4f81bd" %)**AT Command:**
1044 1044  
1028 +
1045 1045  [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1046 1046  
1047 1047  
1048 1048  (% style="color:#4f81bd" %)**Downlink Command:**
1049 1049  
1050 -* **0xA800**  **~-~->** AT+PID=0
1051 -* **0xA801**     **~-~->** AT+PID=1
1052 1052  
1035 +* 0xA800  **~-~->** AT+PID=0
1036 +* 0xA801     **~-~->** AT+PID=1
1037 +
1038 +
1039 +
1053 1053  == 4.4 Set Password ==
1054 1054  
1055 1055  Feature: Set device password, max 9 digits
... ... @@ -1056,9 +1056,11 @@
1056 1056  
1057 1057  (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1058 1058  
1046 +
1059 1059  [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1060 1060  
1061 1061  
1050 +
1062 1062  (% style="color:#4f81bd" %)**Downlink Command:**
1063 1063  
1064 1064  No downlink command for this feature.
... ... @@ -1067,13 +1067,17 @@
1067 1067  
1068 1068  == 4.5 Quit AT Command ==
1069 1069  
1059 +
1070 1070  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1071 1071  
1062 +
1072 1072  (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1073 1073  
1065 +
1074 1074  [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1075 1075  
1076 1076  
1069 +
1077 1077  (% style="color:#4f81bd" %)**Downlink Command:**
1078 1078  
1079 1079  No downlink command for this feature.
... ... @@ -1082,31 +1082,40 @@
1082 1082  
1083 1083  == 4.6 Set to sleep mode ==
1084 1084  
1078 +
1085 1085  Feature: Set device to sleep mode
1086 1086  
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.
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.
1089 1089  
1090 1090  (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1091 1091  
1086 +
1092 1092  [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1093 1093  
1094 1094  
1090 +
1095 1095  (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1096 1096  
1093 +
1097 1097  * There is no downlink command to set to Sleep mode.
1098 1098  
1099 1099  == 4.7 Set system time ==
1100 1100  
1098 +
1101 1101  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1102 1102  
1101 +
1103 1103  (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1104 1104  
1104 +
1105 1105  [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1106 1106  
1107 1107  
1108 +
1108 1108  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1109 1109  
1111 +
1110 1110  0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1111 1111  
1112 1112  
... ... @@ -1113,13 +1113,10 @@
1113 1113  
1114 1114  == 4.8 Set Time Sync Mode ==
1115 1115  
1116 -(((
1118 +
1117 1117  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1118 -)))
1119 1119  
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 -)))
1123 1123  
1124 1124  (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1125 1125  
... ... @@ -1126,6 +1126,7 @@
1126 1126  [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1127 1127  
1128 1128  
1128 +
1129 1129  (% style="color:#4f81bd" %)**Downlink Command:**
1130 1130  
1131 1131  0x28 01 ~/~/ Same As AT+SYNCMOD=1
... ... @@ -1135,30 +1135,39 @@
1135 1135  
1136 1136  == 4.9 Set Time Sync Interval ==
1137 1137  
1138 +
1138 1138  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1139 1139  
1141 +
1140 1140  (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1141 1141  
1144 +
1142 1142  [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1143 1143  
1144 1144  
1148 +
1145 1145  (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1146 1146  
1147 -**0x29 0A** ~/~/ Same as AT+SYNCTDC=0x0A
1148 1148  
1152 +0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1149 1149  
1150 1150  
1155 +
1151 1151  == 4.10 Print data entries base on page. ==
1152 1152  
1153 1153  Feature: Print the sector data from start page to stop page (max is 416 pages).
1154 1154  
1160 +
1155 1155  (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1156 1156  
1163 +
1157 1157  [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1158 1158  
1159 1159  
1167 +
1160 1160  (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1161 1161  
1170 +
1162 1162  No downlink commands for feature
1163 1163  
1164 1164  
... ... @@ -1167,8 +1167,10 @@
1167 1167  
1168 1168  Feature: Print the last few data entries
1169 1169  
1179 +
1170 1170  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1171 1171  
1182 +
1172 1172  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1173 1173  
1174 1174  
... ... @@ -1192,6 +1192,9 @@
1192 1192  
1193 1193  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1194 1194  
1206 +
1207 +
1208 +
1195 1195  == 4.13 Auto Send None-ACK messages ==
1196 1196  
1197 1197  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
... ... @@ -1210,6 +1210,8 @@
1210 1210  
1211 1211  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1212 1212  
1227 +
1228 +
1213 1213  = 5. Battery & How to replace =
1214 1214  
1215 1215  == 5.1 Battery Type ==
... ... @@ -1615,6 +1615,9 @@
1615 1615  
1616 1616  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1617 1617  
1634 +
1635 +
1636 +
1618 1618  = 8. Packing Info =
1619 1619  
1620 1620  
... ... @@ -1621,17 +1621,23 @@
1621 1621  **Package Includes**:
1622 1622  
1623 1623  * LHT65N Temperature & Humidity Sensor x 1
1624 -* Optional external sensor
1625 1625  
1644 +*Optional external sensor
1645 +
1646 +
1626 1626  **Dimension and weight**:
1627 1627  
1628 1628  * Device Size:  10 x 10 x 3.5 cm
1650 +
1629 1629  * Device Weight: 120.5g
1630 1630  
1653 +
1654 +
1631 1631  = 9. Reference material =
1632 1632  
1633 1633  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1634 1634  
1659 +
1635 1635  = 10. FCC Warning =
1636 1636  
1637 1637  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions: