Skip to Content
Last modified by Xiaoling on 2023/07/18 10:12
From version 185.2
edited by Xiaoling
on 2022/06/29 13:55
Change comment: There is no comment for this version
To version 197.1
edited by Bei Jinggeng
on 2022/09/06 10:23
Change comment: Uploaded new attachment "image-20220906102307-7.png", version {1}

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
... ... @@ -1,5 +1,5 @@
1 1  (% style="text-align:center" %)
2 -[[image:image-20220613162008-1.png||_mstalt="428142" height="579" width="379"]]
2 +[[image:image-20220613162008-1.png||_mstalt="428142" height="510" width="334"]]
3 3  
4 4  
5 5  
... ... @@ -46,6 +46,7 @@
46 46  
47 47  == 1.2 Features ==
48 48  
49 +
49 49  * Wall mountable
50 50  * LoRaWAN v1.0.3 Class A protocol
51 51  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
... ... @@ -56,8 +56,10 @@
56 56  * Built-in Temperature & Humidity sensor
57 57  * Optional External Sensors
58 58  * Tri-color LED to indicate working status
59 -* Datalog feature
60 +* Datalog feature (Max 3328 records)
60 60  
62 +
63 +
61 61  == 1.3 Specification ==
62 62  
63 63  
... ... @@ -82,10 +82,13 @@
82 82  * ±2°C accuracy from -55°C to +125°C
83 83  * Operating Range: -55 °C ~~ 125 °C
84 84  
88 +
89 +
85 85  = 2. Connect LHT65N to IoT Server =
86 86  
87 87  == 2.1 How does LHT65N work? ==
88 88  
94 +
89 89  (((
90 90  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.
91 91  )))
... ... @@ -95,8 +95,10 @@
95 95  )))
96 96  
97 97  
104 +
98 98  == 2.2 How to Activate LHT65N? ==
99 99  
107 +
100 100  (((
101 101  The LHT65N has two working modes:
102 102  )))
... ... @@ -121,6 +121,7 @@
121 121  
122 122  == 2.3 Example to join LoRaWAN network ==
123 123  
132 +
124 124  (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
125 125  This section shows an example of how to join the TTN V3 LoRaWAN IoT server. Use with other LoRaWAN IoT servers is of a similar procedure.
126 126  
... ... @@ -136,6 +136,7 @@
136 136  
137 137  === 2.3.1 Step 1: Create Device n TTN ===
138 138  
148 +
139 139  (((
140 140  Create a device in TTN V3 with the OTAA keys from LHT65N.
141 141  )))
... ... @@ -160,9 +160,10 @@
160 160  [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
161 161  
162 162  
163 -Note: LHT65N use same payload as LHT65.
164 164  
174 +(% style="color:red" %)**Note: LHT65N use same payload as LHT65.**
165 165  
176 +
166 166  [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
167 167  
168 168  
... ... @@ -176,6 +176,7 @@
176 176  
177 177  === 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
178 178  
190 +
179 179  (((
180 180  Use ACT button to activate LHT65N and it will auto-join to the TTN V3 network. After join success, it will start to upload sensor data to TTN V3 and user can see in the panel.
181 181  )))
... ... @@ -187,6 +187,7 @@
187 187  
188 188  == 2.4 Uplink Payload ==
189 189  
202 +
190 190  (((
191 191  The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% _mstvisible="3" style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
192 192  )))
... ... @@ -261,10 +261,13 @@
261 261  
262 262  * The First 6 bytes: has fix meanings for every LHT65N.
263 263  * The 7th byte (EXT #): defines the external sensor model.
264 -* 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.)
277 +* 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.)
265 265  
279 +
280 +
266 266  === 2.4.1 Decoder in TTN V3 ===
267 267  
283 +
268 268  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.
269 269  
270 270  Below is the position to put the decoder and LHT65N decoder can be download from here:
... ... @@ -280,6 +280,7 @@
280 280  
281 281  === 2.4.2 BAT-Battery Info ===
282 282  
299 +
283 283  These two bytes of BAT include the battery state and the actually voltage
284 284  
285 285  [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
... ... @@ -293,8 +293,11 @@
293 293  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
294 294  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
295 295  
313 +
314 +
296 296  === 2.4.3 Built-in Temperature ===
297 297  
317 +
298 298  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
299 299  
300 300  * Temperature:  0x0ABB/100=27.47℃
... ... @@ -303,14 +303,20 @@
303 303  
304 304  * Temperature:  (0xF5C6-65536)/100=-26.18℃
305 305  
326 +
327 +
306 306  === 2.4.4 Built-in Humidity ===
307 307  
330 +
308 308  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
309 309  
310 310  * Humidity:    0x025C/10=60.4%
311 311  
335 +
336 +
312 312  === 2.4.5 Ext # ===
313 313  
339 +
314 314  Bytes for External Sensor:
315 315  
316 316  [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
... ... @@ -319,6 +319,7 @@
319 319  
320 320  === 2.4.6 Ext value ===
321 321  
348 +
322 322  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
323 323  
324 324  
... ... @@ -342,6 +342,7 @@
342 342  
343 343  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
344 344  
372 +
345 345  (((
346 346  Timestamp mode is designed for LHT65N with E3 probe, it will send the uplink payload with Unix timestamp. With the limitation of 11 bytes (max distance of AU915/US915/AS923 band), the time stamp mode will be lack of BAT voltage field, instead, it shows the battery status. The payload is as below:
347 347  )))
... ... @@ -455,14 +455,19 @@
455 455  
456 456  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
457 457  
458 -[[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
486 +(% border="1" cellspacing="8" style="background-color:#ffffcc; color:green; width:520px" %)
487 +|(% style="width:60px" %)**Bits**|(% style="width:90px" %)**7**|(% style="width:100px" %)**6**|(% style="width:90px" %)**5**|(% style="width:100px" %)**4**|(% style="width:60px" %)**[3:0]**
488 +|(% style="width:96px" %)**Status&Ext**|(% style="width:124px" %)None-ACK Flag|(% style="width:146px" %)Poll Message FLAG|(% style="width:109px" %)Sync time OK|(% style="width:143px" %)Unix Time Request|(% style="width:106px" %)Ext: 0b(1001)
459 459  
460 -* Poll Message Flag:  1: This message is a poll message reply, 0: means this is a normal uplink.
461 -* 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.
462 -* 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)
490 +* (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
491 +* (% style="color:blue" %)**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.
492 +* (% style="color:blue" %)**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)
463 463  
494 +
495 +
464 464  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
465 465  
498 +
466 466  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
467 467  
468 468  be used to power the external ADC sensor; user can control the power on time for this
... ... @@ -507,8 +507,10 @@
507 507  [[image:image-20220628151143-7.png]]
508 508  
509 509  
543 +
510 510  == 2.5 Show data on Datacake ==
511 511  
546 +
512 512  (((
513 513  Datacake IoT platform provides a human-friendly interface to show the sensor data, once we have sensor data in TTN V3, we can use Datacake to connect to TTN V3 and see the data in Datacake. Below are the steps:
514 514  )))
... ... @@ -556,6 +556,7 @@
556 556  
557 557  == 2.6 Datalog Feature ==
558 558  
594 +
559 559  (((
560 560  Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, LHT65N will store the reading for future retrieving purposes. There are two ways for IoT servers to get datalog from LHT65N.
561 561  )))
... ... @@ -564,11 +564,17 @@
564 564  
565 565  === 2.6.1 Ways to get datalog via LoRaWAN ===
566 566  
603 +
567 567  There are two methods:
568 568  
569 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
570 -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.
606 +1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
607 +1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will mark these records with non-ack message and store the sensor data, and it will send all messages (10s interval) after the network recovery. note: a) LHT65N will do ack check for data records sending to make sure every data arrive server. b) LHT65N will send data in CONFIRMED Mode when PNACKMD=1, but it won't re-transmit the same packet , it will just mark it as NONE-ACK and resend after network is detected.
571 571  
609 +Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
610 +
611 +[[image:image-20220703111700-2.png||height="381" width="1119"]]
612 +
613 +
572 572  === 2.6.2 Unix TimeStamp ===
573 573  
574 574  
... ... @@ -591,6 +591,7 @@
591 591  
592 592  === 2.6.3 Set Device Time ===
593 593  
636 +
594 594  (((
595 595  There are two ways to set device's time:
596 596  )))
... ... @@ -608,7 +608,7 @@
608 608  )))
609 609  
610 610  (((
611 -(% 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.
654 +(% 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.**
612 612  )))
613 613  
614 614  (((
... ... @@ -627,6 +627,7 @@
627 627  
628 628  === 2.6.4 Poll sensor value ===
629 629  
673 +
630 630  User can poll sensor value based on timestamps from the server. Below is the downlink command.
631 631  
632 632  [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
... ... @@ -644,6 +644,7 @@
644 644  
645 645  === 2.6.5 Datalog Uplink payload ===
646 646  
691 +
647 647  (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
648 648  The Datalog poll reply uplink will use below payload format.
649 649  
... ... @@ -650,6 +650,9 @@
650 650  (% _mstvisible="1" %)
651 651  (((
652 652  (% _mstvisible="2" %)
698 +
699 +
700 +(% _mstvisible="2" %)
653 653  (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
654 654  )))
655 655  
... ... @@ -912,7 +912,7 @@
912 912  (% _mstvisible="1" %)
913 913  (((
914 914  (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
915 - Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
963 + Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
916 916  )))
917 917  
918 918  (% _mstvisible="1" %)
... ... @@ -974,12 +974,15 @@
974 974  
975 975  == 2.7 Alarm Mode ==
976 976  
1025 +
977 977  (((
978 978  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.
979 979  )))
980 980  
981 981  (((
982 -(% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
1031 +(% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
1032 +
1033 +
983 983  )))
984 984  
985 985  (((
... ... @@ -1009,10 +1009,25 @@
1009 1009  )))
1010 1010  )))
1011 1011  
1063 +(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
1012 1012  
1065 +Total bytes: 8 bytes
1013 1013  
1067 +**Example:**AA0100010001003C
1068 +
1069 +WMOD=01
1070 +
1071 +CITEMP=0001
1072 +
1073 +TEMPlow=0001
1074 +
1075 +TEMPhigh=003C
1076 +
1077 +
1078 +
1014 1014  == 2.8 LED Indicator ==
1015 1015  
1081 +
1016 1016  The LHT65 has a triple color LED which for easy showing different stage .
1017 1017  
1018 1018  While user press ACT button, the LED will work as per LED status with ACT button.
... ... @@ -1024,8 +1024,11 @@
1024 1024  * RED LED when external sensor is not connected
1025 1025  * For each success downlink, the PURPLE LED will blink once
1026 1026  
1093 +
1094 +
1027 1027  == 2.9 installation ==
1028 1028  
1097 +
1029 1029  (% _mstvisible="1" %)
1030 1030  [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1031 1031  
... ... @@ -1035,8 +1035,10 @@
1035 1035  
1036 1036  == 3.1 E2 Extension Cable ==
1037 1037  
1107 +
1038 1038  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1039 1039  
1110 +
1040 1040  **1m long breakout cable for LHT65N. Features:**
1041 1041  
1042 1042  * (((
... ... @@ -1053,6 +1053,9 @@
1053 1053  )))
1054 1054  * (((
1055 1055  Exposed All pins from the LHT65N Type-C connector.
1127 +
1128 +
1129 +
1056 1056  )))
1057 1057  
1058 1058  [[image:image-20220619092421-3.png||height="371" width="529"]]
... ... @@ -1074,8 +1074,11 @@
1074 1074  * Operating Range: -40 ~~ 125 °C
1075 1075  * Working voltage 2.35v ~~ 5v
1076 1076  
1151 +
1152 +
1077 1077  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1078 1078  
1155 +
1079 1079  (((
1080 1080  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1081 1081  )))
... ... @@ -1120,10 +1120,13 @@
1120 1120  )))
1121 1121  
1122 1122  
1200 +
1123 1123  == 4.1 Set Transmit Interval Time ==
1124 1124  
1203 +
1125 1125  Feature: Change LoRaWAN End Node Transmit Interval.
1126 1126  
1206 +
1127 1127  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
1128 1128  
1129 1129  [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
... ... @@ -1139,10 +1139,14 @@
1139 1139  
1140 1140  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1141 1141  
1222 +
1223 +
1142 1142  == 4.2 Set External Sensor Mode ==
1143 1143  
1226 +
1144 1144  Feature: Change External Sensor Mode.
1145 1145  
1229 +
1146 1146  (% style="color:#4f81bd" %)**AT Command: AT+EXT**
1147 1147  
1148 1148  [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
... ... @@ -1160,8 +1160,11 @@
1160 1160  
1161 1161  * 0xA20702003c: Same as AT+SETCNT=60
1162 1162  
1247 +
1248 +
1163 1163  == 4.3 Enable/Disable uplink Temperature probe ID ==
1164 1164  
1251 +
1165 1165  (((
1166 1166  Feature: If PID is enabled, device will send the temperature probe ID on:
1167 1167  )))
... ... @@ -1175,6 +1175,8 @@
1175 1175  
1176 1176  (((
1177 1177  PID is default set to disable (0)
1265 +
1266 +
1178 1178  )))
1179 1179  
1180 1180  (% style="color:#4f81bd" %)**AT Command:**
... ... @@ -1187,10 +1187,14 @@
1187 1187  * **0xA800**  **~-~->** AT+PID=0
1188 1188  * **0xA801**     **~-~->** AT+PID=1
1189 1189  
1279 +
1280 +
1190 1190  == 4.4 Set Password ==
1191 1191  
1283 +
1192 1192  Feature: Set device password, max 9 digits
1193 1193  
1286 +
1194 1194  (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1195 1195  
1196 1196  [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
... ... @@ -1204,8 +1204,10 @@
1204 1204  
1205 1205  == 4.5 Quit AT Command ==
1206 1206  
1300 +
1207 1207  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1208 1208  
1303 +
1209 1209  (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1210 1210  
1211 1211  [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
... ... @@ -1219,6 +1219,7 @@
1219 1219  
1220 1220  == 4.6 Set to sleep mode ==
1221 1221  
1317 +
1222 1222  Feature: Set device to sleep mode
1223 1223  
1224 1224  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
... ... @@ -1233,10 +1233,14 @@
1233 1233  
1234 1234  * There is no downlink command to set to Sleep mode.
1235 1235  
1332 +
1333 +
1236 1236  == 4.7 Set system time ==
1237 1237  
1336 +
1238 1238  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1239 1239  
1339 +
1240 1240  (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1241 1241  
1242 1242  [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
... ... @@ -1250,6 +1250,7 @@
1250 1250  
1251 1251  == 4.8 Set Time Sync Mode ==
1252 1252  
1353 +
1253 1253  (((
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 1255  )))
... ... @@ -1256,6 +1256,8 @@
1256 1256  
1257 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.
1360 +
1361 +
1259 1259  )))
1260 1260  
1261 1261  (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
... ... @@ -1272,8 +1272,10 @@
1272 1272  
1273 1273  == 4.9 Set Time Sync Interval ==
1274 1274  
1378 +
1275 1275  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1276 1276  
1381 +
1277 1277  (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1278 1278  
1279 1279  [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
... ... @@ -1287,8 +1287,10 @@
1287 1287  
1288 1288  == 4.10 Print data entries base on page. ==
1289 1289  
1395 +
1290 1290  Feature: Print the sector data from start page to stop page (max is 416 pages).
1291 1291  
1398 +
1292 1292  (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1293 1293  
1294 1294  [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
... ... @@ -1302,8 +1302,10 @@
1302 1302  
1303 1303  == 4.11 Print last few data entries. ==
1304 1304  
1412 +
1305 1305  Feature: Print the last few data entries
1306 1306  
1415 +
1307 1307  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1308 1308  
1309 1309  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
... ... @@ -1317,6 +1317,7 @@
1317 1317  
1318 1318  == 4.12 Clear Flash Record ==
1319 1319  
1429 +
1320 1320  Feature: Clear flash storage for data log feature.
1321 1321  
1322 1322  
... ... @@ -1329,11 +1329,15 @@
1329 1329  
1330 1330  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1331 1331  
1442 +
1443 +
1332 1332  == 4.13 Auto Send None-ACK messages ==
1333 1333  
1446 +
1334 1334  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1335 1335  Feature: LHT65N will wait for ACK for each uplink, If LHT65N doesn't get ACK from the IoT server, it will consider the message doesn't arrive server and store it. LHT65N keeps sending messages in normal periodically. Once LHT65N gets ACK from a server, it will consider the network is ok and start to send the not-arrive message.
1336 1336  
1450 +
1337 1337  (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1338 1338  
1339 1339  (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
... ... @@ -1347,10 +1347,13 @@
1347 1347  
1348 1348  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1349 1349  
1464 +
1465 +
1350 1350  = 5. Battery & How to replace =
1351 1351  
1352 1352  == 5.1 Battery Type ==
1353 1353  
1470 +
1354 1354  (((
1355 1355  (((
1356 1356  LHT65N is equipped with a 2400mAH Li-MnO2 (CR17505) battery . The battery is an un-rechargeable battery with low discharge rate targeting for up to 8~~10 years use. This type of battery is commonly used in IoT devices for long-term running, such as water meters.
... ... @@ -1371,8 +1371,10 @@
1371 1371  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1372 1372  
1373 1373  
1491 +
1374 1374  == 5.2 Replace Battery ==
1375 1375  
1494 +
1376 1376  LHT65N has two screws on the back, Unscrew them, and changing the battery inside is ok. The battery is a general CR17450 battery. Any brand should be ok.
1377 1377  
1378 1378  [[image:image-20220515075440-2.png||_mstalt="429546" _mstvisible="3" height="338" width="272"]][[image:image-20220515075625-3.png||_mstalt="431574" _mstvisible="3" height="193" width="257"]]
... ... @@ -1380,6 +1380,7 @@
1380 1380  
1381 1381  == 5.3 Battery Life Analyze ==
1382 1382  
1502 +
1383 1383  (((
1384 1384  Dragino battery-powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimated battery life:
1385 1385  [[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
... ... @@ -1397,8 +1397,10 @@
1397 1397  
1398 1398  = 6. FAQ =
1399 1399  
1520 +
1400 1400  == 6.1 How to use AT Command? ==
1401 1401  
1523 +
1402 1402  LHT65N supports AT Command set.User can use a USB to TTL adapter plus the Program Cable to connect to LHT65 for using AT command, as below.
1403 1403  
1404 1404  [[image:image-20220530085651-1.png||_mstalt="429949"]]
... ... @@ -1617,40 +1617,43 @@
1617 1617  AT+PID:  Get or set the PID
1618 1618  
1619 1619  
1742 +
1620 1620  == 6.2 Where to use AT commands and Downlink commands ==
1621 1621  
1622 -(% _msthash="506131" _msttexthash="14585714" %)
1623 -AT commands：
1624 1624  
1746 +**AT commands：**
1747 +
1625 1625  [[image:image-20220620153708-1.png||height="603" width="723"]]
1626 1626  
1627 -(% _msthash="506132" _msttexthash="337922" %)
1628 -Downlink commands:
1629 1629  
1751 +**Downlink commands:**
1630 1630  
1631 -(% _msthash="506133" _msttexthash="33046" %)
1632 -**TTN:**
1633 1633  
1754 +
1755 +(% style="color:blue" %)**TTN:**
1756 +
1634 1634  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1635 1635  
1636 1636  
1637 -(% _msthash="506134" _msttexthash="11113791" %)
1638 -**Helium：**
1639 1639  
1761 +(% style="color:blue" %)**Helium：**
1762 +
1640 1640  [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1641 1641  
1642 1642  
1643 -(% _msthash="506135" _msttexthash="4159844" %)
1644 -**Chirpstack:The downlink window will not be displayed until the network is accessed**
1645 1645  
1767 +(% style="color:blue" %)**Chirpstack: The downlink window will not be displayed until the network is accessed**
1768 +
1769 +
1646 1646  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1647 1647  
1772 +
1648 1648  [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1649 1649  
1650 1650  
1651 -(% _msthash="506136" _msttexthash="39286" %)
1652 -**Aws:**
1653 1653  
1777 +(% style="color:blue" %)**Aws:**
1778 +
1654 1654  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1655 1655  
1656 1656  
... ... @@ -1657,6 +1657,7 @@
1657 1657  
1658 1658  == 6.3 How to change the uplink interval？ ==
1659 1659  
1785 +
1660 1660  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/||_msthash="506137" _msttexthash="5712018"]]
1661 1661  
1662 1662  
... ... @@ -1663,6 +1663,7 @@
1663 1663  
1664 1664  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1665 1665  
1792 +
1666 1666  [[image:image-20220615153355-1.png]]
1667 1667  
1668 1668  [[image:1655802313617-381.png]]
... ... @@ -1719,13 +1719,16 @@
1719 1719  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1720 1720  
1721 1721  
1849 +
1722 1722  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1723 1723  
1852 +
1724 1724  [[image:image-20220623110706-1.png]]
1725 1725  
1726 1726  
1727 1727  [[image:image-20220623112117-4.png||height="459" width="343"]]
1728 1728  
1858 +
1729 1729  (((
1730 1730  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**(% style="color:red" %))(%%) 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.
1731 1731  )))
... ... @@ -1736,10 +1736,13 @@
1736 1736  [[image:image-20220615154519-3.png||height="672" width="807"]]
1737 1737  
1738 1738  
1869 +
1739 1739  == 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1740 1740  
1872 +
1741 1741  [[image:image-20220623110706-1.png]]
1742 1742  
1875 +
1743 1743  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1744 1744  
1745 1745  [[image:image-20220615170542-5.png]]
... ... @@ -1756,6 +1756,7 @@
1756 1756  (% _msthash="506146" _msttexthash="52173160" %)
1757 1757  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1758 1758  
1892 +
1759 1759  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1760 1760  
1761 1761  [[image:image-20220615171334-6.png]]
... ... @@ -1772,6 +1772,7 @@
1772 1772  Finally,restart reset device again
1773 1773  
1774 1774  
1909 +
1775 1775  = 7. Order Info =
1776 1776  
1777 1777  
... ... @@ -1800,9 +1800,6 @@
1800 1800  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1801 1801  
1802 1802  
1803 -
1804 -
1805 -
1806 1806  = 8. Packing Info =
1807 1807  
1808 1808  
... ... @@ -1817,19 +1817,15 @@
1817 1817  * Device Weight: 120.5g
1818 1818  
1819 1819  
1820 -
1821 -
1822 -
1823 1823  = 9. Reference material =
1824 1824  
1954 +
1825 1825  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1826 1826  
1827 1827  
1828 -
1829 -
1830 -
1831 1831  = 10. FCC Warning =
1832 1832  
1960 +
1833 1833  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1834 1834  
1835 1835  (1) This device may not cause harmful interference；
image-20220703111533-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Edwin
Size
... ... @@ -1,0 +1,1 @@
1 +694.5 KB
Content
image-20220703111700-2.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Edwin
Size
... ... @@ -1,0 +1,1 @@
1 +369.4 KB
Content
image-20220906100852-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Bei
Size
... ... @@ -1,0 +1,1 @@
1 +251.9 KB
Content
image-20220906101145-2.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Bei
Size
... ... @@ -1,0 +1,1 @@
1 +6.3 KB
Content
image-20220906101145-3.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Bei
Size
... ... @@ -1,0 +1,1 @@
1 +6.6 KB
Content
image-20220906101320-4.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Bei
Size
... ... @@ -1,0 +1,1 @@
1 +202.3 KB
Content
image-20220906101320-5.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Bei
Size
... ... @@ -1,0 +1,1 @@
1 +206.1 KB
Content
image-20220906101320-6.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Bei
Size
... ... @@ -1,0 +1,1 @@
1 +7.1 KB
Content
image-20220906102307-7.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Bei
Size
... ... @@ -1,0 +1,1 @@
1 +7.3 KB
Content