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Last modified by Xiaoling on 2023/07/18 10:12
From version 189.4
edited by Xiaoling
on 2022/07/22 10:34
Change comment: There is no comment for this version
To version 194.1
edited by Bei Jinggeng
on 2022/09/06 10:13
Change comment: Uploaded new attachment "image-20220906101320-4.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
... ... @@ -56,8 +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  )))
... ... @@ -177,6 +177,7 @@
177 177  
178 178  === 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
179 179  
190 +
180 180  (((
181 181  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.
182 182  )))
... ... @@ -188,6 +188,7 @@
188 188  
189 189  == 2.4 Uplink Payload ==
190 190  
202 +
191 191  (((
192 192  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.
193 193  )))
... ... @@ -262,12 +262,13 @@
262 262  
263 263  * The First 6 bytes: has fix meanings for every LHT65N.
264 264  * The 7th byte (EXT #): defines the external sensor model.
265 -* 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.)
266 266  
267 267  
268 268  
269 269  === 2.4.1 Decoder in TTN V3 ===
270 270  
283 +
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.
272 272  
273 273  Below is the position to put the decoder and LHT65N decoder can be download from here:
... ... @@ -283,6 +283,7 @@
283 283  
284 284  === 2.4.2 BAT-Battery Info ===
285 285  
299 +
286 286  These two bytes of BAT include the battery state and the actually voltage
287 287  
288 288  [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
... ... @@ -300,6 +300,7 @@
300 300  
301 301  === 2.4.3 Built-in Temperature ===
302 302  
317 +
303 303  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
304 304  
305 305  * Temperature:  0x0ABB/100=27.47℃
... ... @@ -312,6 +312,7 @@
312 312  
313 313  === 2.4.4 Built-in Humidity ===
314 314  
330 +
315 315  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
316 316  
317 317  * Humidity:    0x025C/10=60.4%
... ... @@ -320,6 +320,7 @@
320 320  
321 321  === 2.4.5 Ext # ===
322 322  
339 +
323 323  Bytes for External Sensor:
324 324  
325 325  [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
... ... @@ -328,6 +328,7 @@
328 328  
329 329  === 2.4.6 Ext value ===
330 330  
348 +
331 331  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
332 332  
333 333  
... ... @@ -351,6 +351,7 @@
351 351  
352 352  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
353 353  
372 +
354 354  (((
355 355  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:
356 356  )))
... ... @@ -473,8 +473,10 @@
473 473  * (% 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)
474 474  
475 475  
495 +
476 476  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
477 477  
498 +
478 478  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
479 479  
480 480  be used to power the external ADC sensor; user can control the power on time for this
... ... @@ -522,6 +522,7 @@
522 522  
523 523  == 2.5 Show data on Datacake ==
524 524  
546 +
525 525  (((
526 526  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:
527 527  )))
... ... @@ -569,6 +569,7 @@
569 569  
570 570  == 2.6 Datalog Feature ==
571 571  
594 +
572 572  (((
573 573  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.
574 574  )))
... ... @@ -577,10 +577,11 @@
577 577  
578 578  === 2.6.1 Ways to get datalog via LoRaWAN ===
579 579  
603 +
580 580  There are two methods:
581 581  
582 582  1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
583 -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.
584 584  
585 585  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
586 586  
... ... @@ -609,6 +609,7 @@
609 609  
610 610  === 2.6.3 Set Device Time ===
611 611  
636 +
612 612  (((
613 613  There are two ways to set device's time:
614 614  )))
... ... @@ -626,7 +626,7 @@
626 626  )))
627 627  
628 628  (((
629 -(% 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.**
630 630  )))
631 631  
632 632  (((
... ... @@ -645,6 +645,7 @@
645 645  
646 646  === 2.6.4 Poll sensor value ===
647 647  
673 +
648 648  User can poll sensor value based on timestamps from the server. Below is the downlink command.
649 649  
650 650  [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
... ... @@ -662,6 +662,7 @@
662 662  
663 663  === 2.6.5 Datalog Uplink payload ===
664 664  
691 +
665 665  (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
666 666  The Datalog poll reply uplink will use below payload format.
667 667  
... ... @@ -668,6 +668,9 @@
668 668  (% _mstvisible="1" %)
669 669  (((
670 670  (% _mstvisible="2" %)
698 +
699 +
700 +(% _mstvisible="2" %)
671 671  (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
672 672  )))
673 673  
... ... @@ -930,7 +930,7 @@
930 930  (% _mstvisible="1" %)
931 931  (((
932 932  (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
933 - 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
934 934  )))
935 935  
936 936  (% _mstvisible="1" %)
... ... @@ -992,12 +992,15 @@
992 992  
993 993  == 2.7 Alarm Mode ==
994 994  
1025 +
995 995  (((
996 996  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.
997 997  )))
998 998  
999 999  (((
1000 -(% 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 +
1001 1001  )))
1002 1002  
1003 1003  (((
... ... @@ -1042,8 +1042,10 @@
1042 1042  TEMPhigh=003C
1043 1043  
1044 1044  
1078 +
1045 1045  == 2.8 LED Indicator ==
1046 1046  
1081 +
1047 1047  The LHT65 has a triple color LED which for easy showing different stage .
1048 1048  
1049 1049  While user press ACT button, the LED will work as per LED status with ACT button.
... ... @@ -1055,8 +1055,11 @@
1055 1055  * RED LED when external sensor is not connected
1056 1056  * For each success downlink, the PURPLE LED will blink once
1057 1057  
1093 +
1094 +
1058 1058  == 2.9 installation ==
1059 1059  
1097 +
1060 1060  (% _mstvisible="1" %)
1061 1061  [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1062 1062  
... ... @@ -1066,8 +1066,10 @@
1066 1066  
1067 1067  == 3.1 E2 Extension Cable ==
1068 1068  
1107 +
1069 1069  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1070 1070  
1110 +
1071 1071  **1m long breakout cable for LHT65N. Features:**
1072 1072  
1073 1073  * (((
... ... @@ -1084,6 +1084,9 @@
1084 1084  )))
1085 1085  * (((
1086 1086  Exposed All pins from the LHT65N Type-C connector.
1127 +
1128 +
1129 +
1087 1087  )))
1088 1088  
1089 1089  [[image:image-20220619092421-3.png||height="371" width="529"]]
... ... @@ -1105,8 +1105,11 @@
1105 1105  * Operating Range: -40 ~~ 125 °C
1106 1106  * Working voltage 2.35v ~~ 5v
1107 1107  
1151 +
1152 +
1108 1108  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1109 1109  
1155 +
1110 1110  (((
1111 1111  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1112 1112  )))
... ... @@ -1151,10 +1151,13 @@
1151 1151  )))
1152 1152  
1153 1153  
1200 +
1154 1154  == 4.1 Set Transmit Interval Time ==
1155 1155  
1203 +
1156 1156  Feature: Change LoRaWAN End Node Transmit Interval.
1157 1157  
1206 +
1158 1158  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
1159 1159  
1160 1160  [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
... ... @@ -1170,10 +1170,14 @@
1170 1170  
1171 1171  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1172 1172  
1222 +
1223 +
1173 1173  == 4.2 Set External Sensor Mode ==
1174 1174  
1226 +
1175 1175  Feature: Change External Sensor Mode.
1176 1176  
1229 +
1177 1177  (% style="color:#4f81bd" %)**AT Command: AT+EXT**
1178 1178  
1179 1179  [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
... ... @@ -1191,8 +1191,11 @@
1191 1191  
1192 1192  * 0xA20702003c: Same as AT+SETCNT=60
1193 1193  
1247 +
1248 +
1194 1194  == 4.3 Enable/Disable uplink Temperature probe ID ==
1195 1195  
1251 +
1196 1196  (((
1197 1197  Feature: If PID is enabled, device will send the temperature probe ID on:
1198 1198  )))
... ... @@ -1206,6 +1206,8 @@
1206 1206  
1207 1207  (((
1208 1208  PID is default set to disable (0)
1265 +
1266 +
1209 1209  )))
1210 1210  
1211 1211  (% style="color:#4f81bd" %)**AT Command:**
... ... @@ -1218,10 +1218,14 @@
1218 1218  * **0xA800**  **~-~->** AT+PID=0
1219 1219  * **0xA801**     **~-~->** AT+PID=1
1220 1220  
1279 +
1280 +
1221 1221  == 4.4 Set Password ==
1222 1222  
1283 +
1223 1223  Feature: Set device password, max 9 digits
1224 1224  
1286 +
1225 1225  (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1226 1226  
1227 1227  [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
... ... @@ -1235,8 +1235,10 @@
1235 1235  
1236 1236  == 4.5 Quit AT Command ==
1237 1237  
1300 +
1238 1238  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1239 1239  
1303 +
1240 1240  (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1241 1241  
1242 1242  [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
... ... @@ -1250,6 +1250,7 @@
1250 1250  
1251 1251  == 4.6 Set to sleep mode ==
1252 1252  
1317 +
1253 1253  Feature: Set device to sleep mode
1254 1254  
1255 1255  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
... ... @@ -1264,10 +1264,14 @@
1264 1264  
1265 1265  * There is no downlink command to set to Sleep mode.
1266 1266  
1332 +
1333 +
1267 1267  == 4.7 Set system time ==
1268 1268  
1336 +
1269 1269  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1270 1270  
1339 +
1271 1271  (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1272 1272  
1273 1273  [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
... ... @@ -1281,6 +1281,7 @@
1281 1281  
1282 1282  == 4.8 Set Time Sync Mode ==
1283 1283  
1353 +
1284 1284  (((
1285 1285  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1286 1286  )))
... ... @@ -1287,6 +1287,8 @@
1287 1287  
1288 1288  (((
1289 1289  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 +
1290 1290  )))
1291 1291  
1292 1292  (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
... ... @@ -1303,8 +1303,10 @@
1303 1303  
1304 1304  == 4.9 Set Time Sync Interval ==
1305 1305  
1378 +
1306 1306  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1307 1307  
1381 +
1308 1308  (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1309 1309  
1310 1310  [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
... ... @@ -1318,8 +1318,10 @@
1318 1318  
1319 1319  == 4.10 Print data entries base on page. ==
1320 1320  
1395 +
1321 1321  Feature: Print the sector data from start page to stop page (max is 416 pages).
1322 1322  
1398 +
1323 1323  (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1324 1324  
1325 1325  [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
... ... @@ -1333,8 +1333,10 @@
1333 1333  
1334 1334  == 4.11 Print last few data entries. ==
1335 1335  
1412 +
1336 1336  Feature: Print the last few data entries
1337 1337  
1415 +
1338 1338  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1339 1339  
1340 1340  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
... ... @@ -1348,6 +1348,7 @@
1348 1348  
1349 1349  == 4.12 Clear Flash Record ==
1350 1350  
1429 +
1351 1351  Feature: Clear flash storage for data log feature.
1352 1352  
1353 1353  
... ... @@ -1360,11 +1360,15 @@
1360 1360  
1361 1361  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1362 1362  
1442 +
1443 +
1363 1363  == 4.13 Auto Send None-ACK messages ==
1364 1364  
1446 +
1365 1365  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1366 1366  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.
1367 1367  
1450 +
1368 1368  (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1369 1369  
1370 1370  (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
... ... @@ -1378,10 +1378,13 @@
1378 1378  
1379 1379  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1380 1380  
1464 +
1465 +
1381 1381  = 5. Battery & How to replace =
1382 1382  
1383 1383  == 5.1 Battery Type ==
1384 1384  
1470 +
1385 1385  (((
1386 1386  (((
1387 1387  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.
... ... @@ -1402,8 +1402,10 @@
1402 1402  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1403 1403  
1404 1404  
1491 +
1405 1405  == 5.2 Replace Battery ==
1406 1406  
1494 +
1407 1407  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.
1408 1408  
1409 1409  [[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"]]
... ... @@ -1411,6 +1411,7 @@
1411 1411  
1412 1412  == 5.3 Battery Life Analyze ==
1413 1413  
1502 +
1414 1414  (((
1415 1415  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:
1416 1416  [[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]]
... ... @@ -1428,8 +1428,10 @@
1428 1428  
1429 1429  = 6. FAQ =
1430 1430  
1520 +
1431 1431  == 6.1 How to use AT Command? ==
1432 1432  
1523 +
1433 1433  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.
1434 1434  
1435 1435  [[image:image-20220530085651-1.png||_mstalt="429949"]]
... ... @@ -1648,40 +1648,43 @@
1648 1648  AT+PID:  Get or set the PID
1649 1649  
1650 1650  
1742 +
1651 1651  == 6.2 Where to use AT commands and Downlink commands ==
1652 1652  
1653 -(% _msthash="506131" _msttexthash="14585714" %)
1654 -AT commands：
1655 1655  
1746 +**AT commands：**
1747 +
1656 1656  [[image:image-20220620153708-1.png||height="603" width="723"]]
1657 1657  
1658 -(% _msthash="506132" _msttexthash="337922" %)
1659 -Downlink commands:
1660 1660  
1751 +**Downlink commands:**
1661 1661  
1662 -(% _msthash="506133" _msttexthash="33046" %)
1663 -**TTN:**
1664 1664  
1754 +
1755 +(% style="color:blue" %)**TTN:**
1756 +
1665 1665  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1666 1666  
1667 1667  
1668 -(% _msthash="506134" _msttexthash="11113791" %)
1669 -**Helium：**
1670 1670  
1761 +(% style="color:blue" %)**Helium：**
1762 +
1671 1671  [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1672 1672  
1673 1673  
1674 -(% _msthash="506135" _msttexthash="4159844" %)
1675 -**Chirpstack:The downlink window will not be displayed until the network is accessed**
1676 1676  
1767 +(% style="color:blue" %)**Chirpstack: The downlink window will not be displayed until the network is accessed**
1768 +
1769 +
1677 1677  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1678 1678  
1772 +
1679 1679  [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1680 1680  
1681 1681  
1682 -(% _msthash="506136" _msttexthash="39286" %)
1683 -**Aws:**
1684 1684  
1777 +(% style="color:blue" %)**Aws:**
1778 +
1685 1685  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1686 1686  
1687 1687  
... ... @@ -1688,6 +1688,7 @@
1688 1688  
1689 1689  == 6.3 How to change the uplink interval？ ==
1690 1690  
1785 +
1691 1691  [[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"]]
1692 1692  
1693 1693  
... ... @@ -1694,6 +1694,7 @@
1694 1694  
1695 1695  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1696 1696  
1792 +
1697 1697  [[image:image-20220615153355-1.png]]
1698 1698  
1699 1699  [[image:1655802313617-381.png]]
... ... @@ -1750,13 +1750,16 @@
1750 1750  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1751 1751  
1752 1752  
1849 +
1753 1753  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1754 1754  
1852 +
1755 1755  [[image:image-20220623110706-1.png]]
1756 1756  
1757 1757  
1758 1758  [[image:image-20220623112117-4.png||height="459" width="343"]]
1759 1759  
1858 +
1760 1760  (((
1761 1761  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.
1762 1762  )))
... ... @@ -1767,10 +1767,13 @@
1767 1767  [[image:image-20220615154519-3.png||height="672" width="807"]]
1768 1768  
1769 1769  
1869 +
1770 1770  == 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1771 1771  
1872 +
1772 1772  [[image:image-20220623110706-1.png]]
1773 1773  
1875 +
1774 1774  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1775 1775  
1776 1776  [[image:image-20220615170542-5.png]]
... ... @@ -1787,6 +1787,7 @@
1787 1787  (% _msthash="506146" _msttexthash="52173160" %)
1788 1788  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1789 1789  
1892 +
1790 1790  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1791 1791  
1792 1792  [[image:image-20220615171334-6.png]]
... ... @@ -1803,6 +1803,7 @@
1803 1803  Finally,restart reset device again
1804 1804  
1805 1805  
1909 +
1806 1806  = 7. Order Info =
1807 1807  
1808 1808  
... ... @@ -1830,6 +1830,7 @@
1830 1830  
1831 1831  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1832 1832  
1937 +
1833 1833  = 8. Packing Info =
1834 1834  
1835 1835  
... ... @@ -1843,12 +1843,16 @@
1843 1843  * Device Size:  10 x 10 x 3.5 cm
1844 1844  * Device Weight: 120.5g
1845 1845  
1951 +
1846 1846  = 9. Reference material =
1847 1847  
1954 +
1848 1848  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1849 1849  
1957 +
1850 1850  = 10. FCC Warning =
1851 1851  
1960 +
1852 1852  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1853 1853  
1854 1854  (1) This device may not cause harmful interference；
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