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Last modified by Xiaoling on 2023/07/18 10:12
From version 170.28
edited by Xiaoling
on 2022/06/22 11:17
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

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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 ==
... ... @@ -58,8 +58,6 @@
58 58  * Tri-color LED to indicate working status
59 59  * Datalog feature
60 60  
61 -
62 -
63 63  == 1.3 Specification ==
64 64  
65 65  
... ... @@ -84,37 +84,23 @@
84 84  * ±2°C accuracy from -55°C to +125°C
85 85  * Operating Range: -55 °C ~~ 125 °C
86 86  
87 -
88 -
89 89  = 2. Connect LHT65N to IoT Server =
90 90  
91 91  == 2.1 How does LHT65N work? ==
92 92  
93 -(((
94 94  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.
95 -)))
96 96  
97 -(((
98 98  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.
99 -)))
100 100  
101 101  
102 102  == 2.2 How to Activate LHT65N? ==
103 103  
104 -(((
105 105  The LHT65N has two working modes:
106 -)))
107 107  
108 -* (((
109 -(% 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.
110 -)))
111 -* (((
112 -(% 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 -)))
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. 
114 114  
115 -(((
116 116  The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
117 -)))
118 118  
119 119  
120 120  [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
... ... @@ -267,6 +267,9 @@
267 267  * The 7th byte (EXT #): defines the external sensor model.
268 268  * 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.)
269 269  
241 +
242 +
243 +
270 270  === 2.4.1 Decoder in TTN V3 ===
271 271  
272 272  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.
... ... @@ -297,6 +297,8 @@
297 297  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
298 298  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
299 299  
274 +
275 +
300 300  === 2.4.3 Built-in Temperature ===
301 301  
302 302  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
... ... @@ -307,6 +307,7 @@
307 307  
308 308  * Temperature:  (0xF5C6-65536)/100=-26.18℃
309 309  
286 +
310 310  === 2.4.4 Built-in Humidity ===
311 311  
312 312  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
... ... @@ -313,6 +313,7 @@
313 313  
314 314  * Humidity:    0x025C/10=60.4%
315 315  
293 +
316 316  === 2.4.5 Ext # ===
317 317  
318 318  Bytes for External Sensor:
... ... @@ -465,6 +465,8 @@
465 465  * 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.
466 466  * 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)
467 467  
446 +
447 +
468 468  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
469 469  
470 470  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -893,7 +893,7 @@
893 893  
894 894  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.
895 895  
896 -(% 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.
897 897  
898 898  **AT COMMAND FOR ALARM MODE:**
899 899  
... ... @@ -926,6 +926,9 @@
926 926  * RED LED when external sensor is not connected
927 927  * For each success downlink, the PURPLE LED will blink once
928 928  
909 +
910 +
911 +
929 929  == 2.9 installation ==
930 930  
931 931  (% _mstvisible="1" %)
... ... @@ -954,6 +954,7 @@
954 954  
955 955  Temperature sensor with 2 meters cable long
956 956  
940 +
957 957  * Resolution: 0.0625 °C
958 958  * ±0.5°C accuracy from -10°C to +85°C
959 959  * ±2°C accuracy from -55°C to +125°C
... ... @@ -974,9 +974,10 @@
974 974  
975 975  These commands are to configure:
976 976  
977 -1. General system settings like: uplink interval.
978 -1. LoRaWAN protocol & radio-related commands.
961 +* General system settings like: uplink interval.
979 979  
963 +* LoRaWAN protocol & radio-related commands.
964 +
980 980  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]]
981 981  
982 982  * (% style="color:#4f81bd" %)**Commands special design for LHT65N**
... ... @@ -988,8 +988,10 @@
988 988  
989 989  Feature: Change LoRaWAN End Node Transmit Interval.
990 990  
976 +
991 991  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
992 992  
979 +
993 993  [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
994 994  
995 995  
... ... @@ -1003,6 +1003,7 @@
1003 1003  
1004 1004  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1005 1005  
993 +
1006 1006  == 4.2 Set External Sensor Mode ==
1007 1007  
1008 1008  Feature: Change External Sensor Mode.
... ... @@ -1011,7 +1011,6 @@
1011 1011  
1012 1012  [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1013 1013  
1014 -
1015 1015  (% style="color:#4f81bd" %)**Downlink Command: 0xA2**
1016 1016  
1017 1017  Total bytes: 2 ~~ 5 bytes
... ... @@ -1022,35 +1022,34 @@
1022 1022  
1023 1023  * 0xA209: Same as AT+EXT=9
1024 1024  
1025 -* 0xA20702003c: Same as AT+SETCNT=60
1012 +* 0xA20702003c,Same as AT+SETCNT=60
1026 1026  
1014 +
1015 +
1027 1027  == 4.3 Enable/Disable uplink Temperature probe ID ==
1028 1028  
1029 -(((
1030 1030  Feature: If PID is enabled, device will send the temperature probe ID on:
1031 -)))
1032 1032  
1033 -* (((
1034 -First Packet after OTAA Join
1035 -)))
1036 -* (((
1037 -Every 24 hours since the first packet.
1038 -)))
1020 +* First Packet after OTAA Join
1021 +* Every 24 hours since the first packet.
1039 1039  
1040 -(((
1041 1041  PID is default set to disable (0)
1042 -)))
1043 1043  
1025 +
1044 1044  (% style="color:#4f81bd" %)**AT Command:**
1045 1045  
1028 +
1046 1046  [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1047 1047  
1048 1048  
1049 1049  (% style="color:#4f81bd" %)**Downlink Command:**
1050 1050  
1051 -* **0xA800**  **~-~->** AT+PID=0
1052 -* **0xA801**     **~-~->** AT+PID=1
1053 1053  
1035 +* 0xA800  **~-~->** AT+PID=0
1036 +* 0xA801     **~-~->** AT+PID=1
1037 +
1038 +
1039 +
1054 1054  == 4.4 Set Password ==
1055 1055  
1056 1056  Feature: Set device password, max 9 digits
... ... @@ -1057,9 +1057,11 @@
1057 1057  
1058 1058  (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1059 1059  
1046 +
1060 1060  [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1061 1061  
1062 1062  
1050 +
1063 1063  (% style="color:#4f81bd" %)**Downlink Command:**
1064 1064  
1065 1065  No downlink command for this feature.
... ... @@ -1068,13 +1068,17 @@
1068 1068  
1069 1069  == 4.5 Quit AT Command ==
1070 1070  
1059 +
1071 1071  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1072 1072  
1062 +
1073 1073  (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1074 1074  
1065 +
1075 1075  [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1076 1076  
1077 1077  
1069 +
1078 1078  (% style="color:#4f81bd" %)**Downlink Command:**
1079 1079  
1080 1080  No downlink command for this feature.
... ... @@ -1083,31 +1083,40 @@
1083 1083  
1084 1084  == 4.6 Set to sleep mode ==
1085 1085  
1078 +
1086 1086  Feature: Set device to sleep mode
1087 1087  
1088 -* **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1089 -* **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.
1090 1090  
1091 1091  (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1092 1092  
1086 +
1093 1093  [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1094 1094  
1095 1095  
1090 +
1096 1096  (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1097 1097  
1093 +
1098 1098  * There is no downlink command to set to Sleep mode.
1099 1099  
1100 1100  == 4.7 Set system time ==
1101 1101  
1098 +
1102 1102  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1103 1103  
1101 +
1104 1104  (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1105 1105  
1104 +
1106 1106  [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1107 1107  
1108 1108  
1108 +
1109 1109  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1110 1110  
1111 +
1111 1111  0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1112 1112  
1113 1113  
... ... @@ -1114,13 +1114,10 @@
1114 1114  
1115 1115  == 4.8 Set Time Sync Mode ==
1116 1116  
1117 -(((
1118 +
1118 1118  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1119 -)))
1120 1120  
1121 -(((
1122 1122  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.
1123 -)))
1124 1124  
1125 1125  (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1126 1126  
... ... @@ -1127,6 +1127,7 @@
1127 1127  [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1128 1128  
1129 1129  
1128 +
1130 1130  (% style="color:#4f81bd" %)**Downlink Command:**
1131 1131  
1132 1132  0x28 01 ~/~/ Same As AT+SYNCMOD=1
... ... @@ -1136,30 +1136,39 @@
1136 1136  
1137 1137  == 4.9 Set Time Sync Interval ==
1138 1138  
1138 +
1139 1139  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1140 1140  
1141 +
1141 1141  (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1142 1142  
1144 +
1143 1143  [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1144 1144  
1145 1145  
1148 +
1146 1146  (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1147 1147  
1148 -**0x29 0A** ~/~/ Same as AT+SYNCTDC=0x0A
1149 1149  
1152 +0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1150 1150  
1151 1151  
1155 +
1152 1152  == 4.10 Print data entries base on page. ==
1153 1153  
1154 1154  Feature: Print the sector data from start page to stop page (max is 416 pages).
1155 1155  
1160 +
1156 1156  (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1157 1157  
1163 +
1158 1158  [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1159 1159  
1160 1160  
1167 +
1161 1161  (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1162 1162  
1170 +
1163 1163  No downlink commands for feature
1164 1164  
1165 1165  
... ... @@ -1168,8 +1168,10 @@
1168 1168  
1169 1169  Feature: Print the last few data entries
1170 1170  
1179 +
1171 1171  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1172 1172  
1182 +
1173 1173  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1174 1174  
1175 1175  
... ... @@ -1193,6 +1193,9 @@
1193 1193  
1194 1194  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1195 1195  
1206 +
1207 +
1208 +
1196 1196  == 4.13 Auto Send None-ACK messages ==
1197 1197  
1198 1198  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
... ... @@ -1211,6 +1211,8 @@
1211 1211  
1212 1212  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1213 1213  
1227 +
1228 +
1214 1214  = 5. Battery & How to replace =
1215 1215  
1216 1216  == 5.1 Battery Type ==
... ... @@ -1616,6 +1616,9 @@
1616 1616  
1617 1617  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1618 1618  
1634 +
1635 +
1636 +
1619 1619  = 8. Packing Info =
1620 1620  
1621 1621  
... ... @@ -1622,17 +1622,23 @@
1622 1622  **Package Includes**:
1623 1623  
1624 1624  * LHT65N Temperature & Humidity Sensor x 1
1625 -* Optional external sensor
1626 1626  
1644 +*Optional external sensor
1645 +
1646 +
1627 1627  **Dimension and weight**:
1628 1628  
1629 1629  * Device Size:  10 x 10 x 3.5 cm
1650 +
1630 1630  * Device Weight: 120.5g
1631 1631  
1653 +
1654 +
1632 1632  = 9. Reference material =
1633 1633  
1634 1634  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1635 1635  
1659 +
1636 1636  = 10. FCC Warning =
1637 1637  
1638 1638  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions: