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Last modified by Xiaoling on 2023/07/18 10:12
From version 189.5
edited by Xiaoling
on 2022/07/22 10:34
Change comment: There is no comment for this version
To version 195.1
edited by Bei Jinggeng
on 2022/09/06 10:13
Change comment: Uploaded new attachment "image-20220906101320-5.png", version {1}

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
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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
... ... @@ -56,11 +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  
61 61  
62 62  
63 -
64 64  == 1.3 Specification ==
65 65  
66 66  
... ... @@ -87,11 +87,11 @@
87 87  
88 88  
89 89  
90 -
91 91  = 2. Connect LHT65N to IoT Server =
92 92  
93 93  == 2.1 How does LHT65N work? ==
94 94  
94 +
95 95  (((
96 96  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.
97 97  )))
... ... @@ -101,8 +101,10 @@
101 101  )))
102 102  
103 103  
104 +
104 104  == 2.2 How to Activate LHT65N? ==
105 105  
107 +
106 106  (((
107 107  The LHT65N has two working modes:
108 108  )))
... ... @@ -127,6 +127,7 @@
127 127  
128 128  == 2.3 Example to join LoRaWAN network ==
129 129  
132 +
130 130  (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
131 131  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.
132 132  
... ... @@ -142,6 +142,7 @@
142 142  
143 143  === 2.3.1 Step 1: Create Device n TTN ===
144 144  
148 +
145 145  (((
146 146  Create a device in TTN V3 with the OTAA keys from LHT65N.
147 147  )))
... ... @@ -183,6 +183,7 @@
183 183  
184 184  === 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
185 185  
190 +
186 186  (((
187 187  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.
188 188  )))
... ... @@ -194,6 +194,7 @@
194 194  
195 195  == 2.4 Uplink Payload ==
196 196  
202 +
197 197  (((
198 198  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.
199 199  )))
... ... @@ -268,12 +268,13 @@
268 268  
269 269  * The First 6 bytes: has fix meanings for every LHT65N.
270 270  * The 7th byte (EXT #): defines the external sensor model.
271 -* 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.)
272 272  
273 273  
274 274  
275 275  === 2.4.1 Decoder in TTN V3 ===
276 276  
283 +
277 277  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.
278 278  
279 279  Below is the position to put the decoder and LHT65N decoder can be download from here:
... ... @@ -289,6 +289,7 @@
289 289  
290 290  === 2.4.2 BAT-Battery Info ===
291 291  
299 +
292 292  These two bytes of BAT include the battery state and the actually voltage
293 293  
294 294  [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
... ... @@ -306,6 +306,7 @@
306 306  
307 307  === 2.4.3 Built-in Temperature ===
308 308  
317 +
309 309  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
310 310  
311 311  * Temperature:  0x0ABB/100=27.47℃
... ... @@ -318,6 +318,7 @@
318 318  
319 319  === 2.4.4 Built-in Humidity ===
320 320  
330 +
321 321  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
322 322  
323 323  * Humidity:    0x025C/10=60.4%
... ... @@ -326,6 +326,7 @@
326 326  
327 327  === 2.4.5 Ext # ===
328 328  
339 +
329 329  Bytes for External Sensor:
330 330  
331 331  [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
... ... @@ -334,6 +334,7 @@
334 334  
335 335  === 2.4.6 Ext value ===
336 336  
348 +
337 337  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
338 338  
339 339  
... ... @@ -357,6 +357,7 @@
357 357  
358 358  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
359 359  
372 +
360 360  (((
361 361  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:
362 362  )))
... ... @@ -479,8 +479,10 @@
479 479  * (% 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)
480 480  
481 481  
495 +
482 482  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
483 483  
498 +
484 484  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
485 485  
486 486  be used to power the external ADC sensor; user can control the power on time for this
... ... @@ -528,6 +528,7 @@
528 528  
529 529  == 2.5 Show data on Datacake ==
530 530  
546 +
531 531  (((
532 532  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:
533 533  )))
... ... @@ -575,6 +575,7 @@
575 575  
576 576  == 2.6 Datalog Feature ==
577 577  
594 +
578 578  (((
579 579  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.
580 580  )))
... ... @@ -583,10 +583,11 @@
583 583  
584 584  === 2.6.1 Ways to get datalog via LoRaWAN ===
585 585  
603 +
586 586  There are two methods:
587 587  
588 588  1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
589 -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 the network recovery.
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.
590 590  
591 591  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
592 592  
... ... @@ -615,6 +615,7 @@
615 615  
616 616  === 2.6.3 Set Device Time ===
617 617  
636 +
618 618  (((
619 619  There are two ways to set device's time:
620 620  )))
... ... @@ -632,7 +632,7 @@
632 632  )))
633 633  
634 634  (((
635 -(% 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.**
636 636  )))
637 637  
638 638  (((
... ... @@ -651,6 +651,7 @@
651 651  
652 652  === 2.6.4 Poll sensor value ===
653 653  
673 +
654 654  User can poll sensor value based on timestamps from the server. Below is the downlink command.
655 655  
656 656  [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
... ... @@ -668,6 +668,7 @@
668 668  
669 669  === 2.6.5 Datalog Uplink payload ===
670 670  
691 +
671 671  (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
672 672  The Datalog poll reply uplink will use below payload format.
673 673  
... ... @@ -674,6 +674,9 @@
674 674  (% _mstvisible="1" %)
675 675  (((
676 676  (% _mstvisible="2" %)
698 +
699 +
700 +(% _mstvisible="2" %)
677 677  (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
678 678  )))
679 679  
... ... @@ -936,7 +936,7 @@
936 936  (% _mstvisible="1" %)
937 937  (((
938 938  (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
939 - 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
940 940  )))
941 941  
942 942  (% _mstvisible="1" %)
... ... @@ -998,12 +998,15 @@
998 998  
999 999  == 2.7 Alarm Mode ==
1000 1000  
1025 +
1001 1001  (((
1002 1002  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.
1003 1003  )))
1004 1004  
1005 1005  (((
1006 -(% 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 +
1007 1007  )))
1008 1008  
1009 1009  (((
... ... @@ -1048,8 +1048,10 @@
1048 1048  TEMPhigh=003C
1049 1049  
1050 1050  
1078 +
1051 1051  == 2.8 LED Indicator ==
1052 1052  
1081 +
1053 1053  The LHT65 has a triple color LED which for easy showing different stage .
1054 1054  
1055 1055  While user press ACT button, the LED will work as per LED status with ACT button.
... ... @@ -1061,8 +1061,11 @@
1061 1061  * RED LED when external sensor is not connected
1062 1062  * For each success downlink, the PURPLE LED will blink once
1063 1063  
1093 +
1094 +
1064 1064  == 2.9 installation ==
1065 1065  
1097 +
1066 1066  (% _mstvisible="1" %)
1067 1067  [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1068 1068  
... ... @@ -1072,8 +1072,10 @@
1072 1072  
1073 1073  == 3.1 E2 Extension Cable ==
1074 1074  
1107 +
1075 1075  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1076 1076  
1110 +
1077 1077  **1m long breakout cable for LHT65N. Features:**
1078 1078  
1079 1079  * (((
... ... @@ -1090,6 +1090,9 @@
1090 1090  )))
1091 1091  * (((
1092 1092  Exposed All pins from the LHT65N Type-C connector.
1127 +
1128 +
1129 +
1093 1093  )))
1094 1094  
1095 1095  [[image:image-20220619092421-3.png||height="371" width="529"]]
... ... @@ -1111,8 +1111,11 @@
1111 1111  * Operating Range: -40 ~~ 125 °C
1112 1112  * Working voltage 2.35v ~~ 5v
1113 1113  
1151 +
1152 +
1114 1114  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1115 1115  
1155 +
1116 1116  (((
1117 1117  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1118 1118  )))
... ... @@ -1157,10 +1157,13 @@
1157 1157  )))
1158 1158  
1159 1159  
1200 +
1160 1160  == 4.1 Set Transmit Interval Time ==
1161 1161  
1203 +
1162 1162  Feature: Change LoRaWAN End Node Transmit Interval.
1163 1163  
1206 +
1164 1164  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
1165 1165  
1166 1166  [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
... ... @@ -1176,10 +1176,14 @@
1176 1176  
1177 1177  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1178 1178  
1222 +
1223 +
1179 1179  == 4.2 Set External Sensor Mode ==
1180 1180  
1226 +
1181 1181  Feature: Change External Sensor Mode.
1182 1182  
1229 +
1183 1183  (% style="color:#4f81bd" %)**AT Command: AT+EXT**
1184 1184  
1185 1185  [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
... ... @@ -1197,8 +1197,11 @@
1197 1197  
1198 1198  * 0xA20702003c: Same as AT+SETCNT=60
1199 1199  
1247 +
1248 +
1200 1200  == 4.3 Enable/Disable uplink Temperature probe ID ==
1201 1201  
1251 +
1202 1202  (((
1203 1203  Feature: If PID is enabled, device will send the temperature probe ID on:
1204 1204  )))
... ... @@ -1212,6 +1212,8 @@
1212 1212  
1213 1213  (((
1214 1214  PID is default set to disable (0)
1265 +
1266 +
1215 1215  )))
1216 1216  
1217 1217  (% style="color:#4f81bd" %)**AT Command:**
... ... @@ -1224,10 +1224,14 @@
1224 1224  * **0xA800**  **~-~->** AT+PID=0
1225 1225  * **0xA801**     **~-~->** AT+PID=1
1226 1226  
1279 +
1280 +
1227 1227  == 4.4 Set Password ==
1228 1228  
1283 +
1229 1229  Feature: Set device password, max 9 digits
1230 1230  
1286 +
1231 1231  (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1232 1232  
1233 1233  [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
... ... @@ -1241,8 +1241,10 @@
1241 1241  
1242 1242  == 4.5 Quit AT Command ==
1243 1243  
1300 +
1244 1244  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1245 1245  
1303 +
1246 1246  (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1247 1247  
1248 1248  [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
... ... @@ -1256,6 +1256,7 @@
1256 1256  
1257 1257  == 4.6 Set to sleep mode ==
1258 1258  
1317 +
1259 1259  Feature: Set device to sleep mode
1260 1260  
1261 1261  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
... ... @@ -1270,10 +1270,14 @@
1270 1270  
1271 1271  * There is no downlink command to set to Sleep mode.
1272 1272  
1332 +
1333 +
1273 1273  == 4.7 Set system time ==
1274 1274  
1336 +
1275 1275  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1276 1276  
1339 +
1277 1277  (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1278 1278  
1279 1279  [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
... ... @@ -1287,6 +1287,7 @@
1287 1287  
1288 1288  == 4.8 Set Time Sync Mode ==
1289 1289  
1353 +
1290 1290  (((
1291 1291  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1292 1292  )))
... ... @@ -1293,6 +1293,8 @@
1293 1293  
1294 1294  (((
1295 1295  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 +
1296 1296  )))
1297 1297  
1298 1298  (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
... ... @@ -1309,8 +1309,10 @@
1309 1309  
1310 1310  == 4.9 Set Time Sync Interval ==
1311 1311  
1378 +
1312 1312  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1313 1313  
1381 +
1314 1314  (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1315 1315  
1316 1316  [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
... ... @@ -1324,8 +1324,10 @@
1324 1324  
1325 1325  == 4.10 Print data entries base on page. ==
1326 1326  
1395 +
1327 1327  Feature: Print the sector data from start page to stop page (max is 416 pages).
1328 1328  
1398 +
1329 1329  (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1330 1330  
1331 1331  [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
... ... @@ -1339,8 +1339,10 @@
1339 1339  
1340 1340  == 4.11 Print last few data entries. ==
1341 1341  
1412 +
1342 1342  Feature: Print the last few data entries
1343 1343  
1415 +
1344 1344  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1345 1345  
1346 1346  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
... ... @@ -1354,6 +1354,7 @@
1354 1354  
1355 1355  == 4.12 Clear Flash Record ==
1356 1356  
1429 +
1357 1357  Feature: Clear flash storage for data log feature.
1358 1358  
1359 1359  
... ... @@ -1366,11 +1366,15 @@
1366 1366  
1367 1367  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1368 1368  
1442 +
1443 +
1369 1369  == 4.13 Auto Send None-ACK messages ==
1370 1370  
1446 +
1371 1371  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1372 1372  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.
1373 1373  
1450 +
1374 1374  (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1375 1375  
1376 1376  (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
... ... @@ -1384,10 +1384,13 @@
1384 1384  
1385 1385  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1386 1386  
1464 +
1465 +
1387 1387  = 5. Battery & How to replace =
1388 1388  
1389 1389  == 5.1 Battery Type ==
1390 1390  
1470 +
1391 1391  (((
1392 1392  (((
1393 1393  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.
... ... @@ -1408,8 +1408,10 @@
1408 1408  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1409 1409  
1410 1410  
1491 +
1411 1411  == 5.2 Replace Battery ==
1412 1412  
1494 +
1413 1413  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.
1414 1414  
1415 1415  [[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"]]
... ... @@ -1417,6 +1417,7 @@
1417 1417  
1418 1418  == 5.3 Battery Life Analyze ==
1419 1419  
1502 +
1420 1420  (((
1421 1421  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:
1422 1422  [[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]]
... ... @@ -1434,8 +1434,10 @@
1434 1434  
1435 1435  = 6. FAQ =
1436 1436  
1520 +
1437 1437  == 6.1 How to use AT Command? ==
1438 1438  
1523 +
1439 1439  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.
1440 1440  
1441 1441  [[image:image-20220530085651-1.png||_mstalt="429949"]]
... ... @@ -1654,40 +1654,43 @@
1654 1654  AT+PID:  Get or set the PID
1655 1655  
1656 1656  
1742 +
1657 1657  == 6.2 Where to use AT commands and Downlink commands ==
1658 1658  
1659 -(% _msthash="506131" _msttexthash="14585714" %)
1660 -AT commands：
1661 1661  
1746 +**AT commands：**
1747 +
1662 1662  [[image:image-20220620153708-1.png||height="603" width="723"]]
1663 1663  
1664 -(% _msthash="506132" _msttexthash="337922" %)
1665 -Downlink commands:
1666 1666  
1751 +**Downlink commands:**
1667 1667  
1668 -(% _msthash="506133" _msttexthash="33046" %)
1669 -**TTN:**
1670 1670  
1754 +
1755 +(% style="color:blue" %)**TTN:**
1756 +
1671 1671  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1672 1672  
1673 1673  
1674 -(% _msthash="506134" _msttexthash="11113791" %)
1675 -**Helium：**
1676 1676  
1761 +(% style="color:blue" %)**Helium：**
1762 +
1677 1677  [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1678 1678  
1679 1679  
1680 -(% _msthash="506135" _msttexthash="4159844" %)
1681 -**Chirpstack:The downlink window will not be displayed until the network is accessed**
1682 1682  
1767 +(% style="color:blue" %)**Chirpstack: The downlink window will not be displayed until the network is accessed**
1768 +
1769 +
1683 1683  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1684 1684  
1772 +
1685 1685  [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1686 1686  
1687 1687  
1688 -(% _msthash="506136" _msttexthash="39286" %)
1689 -**Aws:**
1690 1690  
1777 +(% style="color:blue" %)**Aws:**
1778 +
1691 1691  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1692 1692  
1693 1693  
... ... @@ -1694,6 +1694,7 @@
1694 1694  
1695 1695  == 6.3 How to change the uplink interval？ ==
1696 1696  
1785 +
1697 1697  [[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"]]
1698 1698  
1699 1699  
... ... @@ -1700,6 +1700,7 @@
1700 1700  
1701 1701  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1702 1702  
1792 +
1703 1703  [[image:image-20220615153355-1.png]]
1704 1704  
1705 1705  [[image:1655802313617-381.png]]
... ... @@ -1756,13 +1756,16 @@
1756 1756  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1757 1757  
1758 1758  
1849 +
1759 1759  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1760 1760  
1852 +
1761 1761  [[image:image-20220623110706-1.png]]
1762 1762  
1763 1763  
1764 1764  [[image:image-20220623112117-4.png||height="459" width="343"]]
1765 1765  
1858 +
1766 1766  (((
1767 1767  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.
1768 1768  )))
... ... @@ -1773,10 +1773,13 @@
1773 1773  [[image:image-20220615154519-3.png||height="672" width="807"]]
1774 1774  
1775 1775  
1869 +
1776 1776  == 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1777 1777  
1872 +
1778 1778  [[image:image-20220623110706-1.png]]
1779 1779  
1875 +
1780 1780  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1781 1781  
1782 1782  [[image:image-20220615170542-5.png]]
... ... @@ -1793,6 +1793,7 @@
1793 1793  (% _msthash="506146" _msttexthash="52173160" %)
1794 1794  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1795 1795  
1892 +
1796 1796  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1797 1797  
1798 1798  [[image:image-20220615171334-6.png]]
... ... @@ -1809,6 +1809,7 @@
1809 1809  Finally,restart reset device again
1810 1810  
1811 1811  
1909 +
1812 1812  = 7. Order Info =
1813 1813  
1814 1814  
... ... @@ -1836,6 +1836,7 @@
1836 1836  
1837 1837  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1838 1838  
1937 +
1839 1839  = 8. Packing Info =
1840 1840  
1841 1841  
... ... @@ -1849,12 +1849,16 @@
1849 1849  * Device Size:  10 x 10 x 3.5 cm
1850 1850  * Device Weight: 120.5g
1851 1851  
1951 +
1852 1852  = 9. Reference material =
1853 1853  
1954 +
1854 1854  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1855 1855  
1957 +
1856 1856  = 10. FCC Warning =
1857 1857  
1960 +
1858 1858  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1859 1859  
1860 1860  (1) This device may not cause harmful interference；
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