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Last modified by Xiaoling on 2023/07/18 10:12
From version 187.1
edited by Edwin Chen
on 2022/07/03 11:17
Change comment: Uploaded new attachment "image-20220703111700-2.png", version {1}
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.Edwin
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
... ... @@ -56,12 +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 -
65 65  == 1.3 Specification ==
66 66  
67 67  
... ... @@ -88,12 +88,11 @@
88 88  
89 89  
90 90  
91 -
92 -
93 93  = 2. Connect LHT65N to IoT Server =
94 94  
95 95  == 2.1 How does LHT65N work? ==
96 96  
94 +
97 97  (((
98 98  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.
99 99  )))
... ... @@ -103,8 +103,10 @@
103 103  )))
104 104  
105 105  
104 +
106 106  == 2.2 How to Activate LHT65N? ==
107 107  
107 +
108 108  (((
109 109  The LHT65N has two working modes:
110 110  )))
... ... @@ -129,6 +129,7 @@
129 129  
130 130  == 2.3 Example to join LoRaWAN network ==
131 131  
132 +
132 132  (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
133 133  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.
134 134  
... ... @@ -144,6 +144,7 @@
144 144  
145 145  === 2.3.1 Step 1: Create Device n TTN ===
146 146  
148 +
147 147  (((
148 148  Create a device in TTN V3 with the OTAA keys from LHT65N.
149 149  )))
... ... @@ -168,9 +168,10 @@
168 168  [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
169 169  
170 170  
171 -Note: LHT65N use same payload as LHT65.
172 172  
174 +(% style="color:red" %)**Note: LHT65N use same payload as LHT65.**
173 173  
176 +
174 174  [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
175 175  
176 176  
... ... @@ -184,6 +184,7 @@
184 184  
185 185  === 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
186 186  
190 +
187 187  (((
188 188  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.
189 189  )))
... ... @@ -195,6 +195,7 @@
195 195  
196 196  == 2.4 Uplink Payload ==
197 197  
202 +
198 198  (((
199 199  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.
200 200  )))
... ... @@ -269,14 +269,13 @@
269 269  
270 270  * The First 6 bytes: has fix meanings for every LHT65N.
271 271  * The 7th byte (EXT #): defines the external sensor model.
272 -* 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.)
273 273  
274 274  
275 275  
276 -
277 -
278 278  === 2.4.1 Decoder in TTN V3 ===
279 279  
283 +
280 280  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.
281 281  
282 282  Below is the position to put the decoder and LHT65N decoder can be download from here:
... ... @@ -292,6 +292,7 @@
292 292  
293 293  === 2.4.2 BAT-Battery Info ===
294 294  
299 +
295 295  These two bytes of BAT include the battery state and the actually voltage
296 296  
297 297  [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
... ... @@ -307,10 +307,9 @@
307 307  
308 308  
309 309  
310 -
311 -
312 312  === 2.4.3 Built-in Temperature ===
313 313  
317 +
314 314  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
315 315  
316 316  * Temperature:  0x0ABB/100=27.47℃
... ... @@ -321,10 +321,9 @@
321 321  
322 322  
323 323  
324 -
325 -
326 326  === 2.4.4 Built-in Humidity ===
327 327  
330 +
328 328  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
329 329  
330 330  * Humidity:    0x025C/10=60.4%
... ... @@ -331,10 +331,9 @@
331 331  
332 332  
333 333  
334 -
335 -
336 336  === 2.4.5 Ext # ===
337 337  
339 +
338 338  Bytes for External Sensor:
339 339  
340 340  [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
... ... @@ -343,6 +343,7 @@
343 343  
344 344  === 2.4.6 Ext value ===
345 345  
348 +
346 346  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
347 347  
348 348  
... ... @@ -366,6 +366,7 @@
366 366  
367 367  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
368 368  
372 +
369 369  (((
370 370  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:
371 371  )))
... ... @@ -479,18 +479,19 @@
479 479  
480 480  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
481 481  
482 -[[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)
483 483  
484 -* Poll Message Flag:  1: This message is a poll message reply, 0: means this is a normal uplink.
485 -* 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.
486 -* 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)
487 487  
488 488  
489 489  
490 -
491 -
492 492  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
493 493  
498 +
494 494  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
495 495  
496 496  be used to power the external ADC sensor; user can control the power on time for this
... ... @@ -538,6 +538,7 @@
538 538  
539 539  == 2.5 Show data on Datacake ==
540 540  
546 +
541 541  (((
542 542  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:
543 543  )))
... ... @@ -585,6 +585,7 @@
585 585  
586 586  == 2.6 Datalog Feature ==
587 587  
594 +
588 588  (((
589 589  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.
590 590  )))
... ... @@ -593,15 +593,17 @@
593 593  
594 594  === 2.6.1 Ways to get datalog via LoRaWAN ===
595 595  
603 +
596 596  There are two methods:
597 597  
598 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
599 -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.
600 600  
609 +Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
601 601  
611 +[[image:image-20220703111700-2.png||height="381" width="1119"]]
602 602  
603 603  
604 -
605 605  === 2.6.2 Unix TimeStamp ===
606 606  
607 607  
... ... @@ -624,6 +624,7 @@
624 624  
625 625  === 2.6.3 Set Device Time ===
626 626  
636 +
627 627  (((
628 628  There are two ways to set device's time:
629 629  )))
... ... @@ -641,7 +641,7 @@
641 641  )))
642 642  
643 643  (((
644 -(% 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.**
645 645  )))
646 646  
647 647  (((
... ... @@ -660,6 +660,7 @@
660 660  
661 661  === 2.6.4 Poll sensor value ===
662 662  
673 +
663 663  User can poll sensor value based on timestamps from the server. Below is the downlink command.
664 664  
665 665  [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
... ... @@ -677,6 +677,7 @@
677 677  
678 678  === 2.6.5 Datalog Uplink payload ===
679 679  
691 +
680 680  (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
681 681  The Datalog poll reply uplink will use below payload format.
682 682  
... ... @@ -683,6 +683,9 @@
683 683  (% _mstvisible="1" %)
684 684  (((
685 685  (% _mstvisible="2" %)
698 +
699 +
700 +(% _mstvisible="2" %)
686 686  (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
687 687  )))
688 688  
... ... @@ -945,7 +945,7 @@
945 945  (% _mstvisible="1" %)
946 946  (((
947 947  (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
948 - 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
949 949  )))
950 950  
951 951  (% _mstvisible="1" %)
... ... @@ -1007,12 +1007,15 @@
1007 1007  
1008 1008  == 2.7 Alarm Mode ==
1009 1009  
1025 +
1010 1010  (((
1011 1011  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.
1012 1012  )))
1013 1013  
1014 1014  (((
1015 -(% 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 +
1016 1016  )))
1017 1017  
1018 1018  (((
... ... @@ -1042,10 +1042,25 @@
1042 1042  )))
1043 1043  )))
1044 1044  
1063 +(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
1045 1045  
1065 +Total bytes: 8 bytes
1046 1046  
1067 +**Example:**AA0100010001003C
1068 +
1069 +WMOD=01
1070 +
1071 +CITEMP=0001
1072 +
1073 +TEMPlow=0001
1074 +
1075 +TEMPhigh=003C
1076 +
1077 +
1078 +
1047 1047  == 2.8 LED Indicator ==
1048 1048  
1081 +
1049 1049  The LHT65 has a triple color LED which for easy showing different stage .
1050 1050  
1051 1051  While user press ACT button, the LED will work as per LED status with ACT button.
... ... @@ -1059,10 +1059,9 @@
1059 1059  
1060 1060  
1061 1061  
1062 -
1063 -
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"]]
... ... @@ -1113,10 +1113,9 @@
1113 1113  
1114 1114  
1115 1115  
1116 -
1117 -
1118 1118  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1119 1119  
1155 +
1120 1120  (((
1121 1121  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1122 1122  )))
... ... @@ -1161,10 +1161,13 @@
1161 1161  )))
1162 1162  
1163 1163  
1200 +
1164 1164  == 4.1 Set Transmit Interval Time ==
1165 1165  
1203 +
1166 1166  Feature: Change LoRaWAN End Node Transmit Interval.
1167 1167  
1206 +
1168 1168  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
1169 1169  
1170 1170  [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
... ... @@ -1182,12 +1182,12 @@
1182 1182  
1183 1183  
1184 1184  
1185 -
1186 -
1187 1187  == 4.2 Set External Sensor Mode ==
1188 1188  
1226 +
1189 1189  Feature: Change External Sensor Mode.
1190 1190  
1229 +
1191 1191  (% style="color:#4f81bd" %)**AT Command: AT+EXT**
1192 1192  
1193 1193  [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
... ... @@ -1207,10 +1207,9 @@
1207 1207  
1208 1208  
1209 1209  
1210 -
1211 -
1212 1212  == 4.3 Enable/Disable uplink Temperature probe ID ==
1213 1213  
1251 +
1214 1214  (((
1215 1215  Feature: If PID is enabled, device will send the temperature probe ID on:
1216 1216  )))
... ... @@ -1224,6 +1224,8 @@
1224 1224  
1225 1225  (((
1226 1226  PID is default set to disable (0)
1265 +
1266 +
1227 1227  )))
1228 1228  
1229 1229  (% style="color:#4f81bd" %)**AT Command:**
... ... @@ -1238,12 +1238,12 @@
1238 1238  
1239 1239  
1240 1240  
1241 -
1242 -
1243 1243  == 4.4 Set Password ==
1244 1244  
1283 +
1245 1245  Feature: Set device password, max 9 digits
1246 1246  
1286 +
1247 1247  (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1248 1248  
1249 1249  [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
... ... @@ -1257,8 +1257,10 @@
1257 1257  
1258 1258  == 4.5 Quit AT Command ==
1259 1259  
1300 +
1260 1260  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1261 1261  
1303 +
1262 1262  (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1263 1263  
1264 1264  [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
... ... @@ -1272,6 +1272,7 @@
1272 1272  
1273 1273  == 4.6 Set to sleep mode ==
1274 1274  
1317 +
1275 1275  Feature: Set device to sleep mode
1276 1276  
1277 1277  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
... ... @@ -1288,12 +1288,12 @@
1288 1288  
1289 1289  
1290 1290  
1291 -
1292 -
1293 1293  == 4.7 Set system time ==
1294 1294  
1336 +
1295 1295  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1296 1296  
1339 +
1297 1297  (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1298 1298  
1299 1299  [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
... ... @@ -1307,6 +1307,7 @@
1307 1307  
1308 1308  == 4.8 Set Time Sync Mode ==
1309 1309  
1353 +
1310 1310  (((
1311 1311  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1312 1312  )))
... ... @@ -1313,6 +1313,8 @@
1313 1313  
1314 1314  (((
1315 1315  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 +
1316 1316  )))
1317 1317  
1318 1318  (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
... ... @@ -1329,8 +1329,10 @@
1329 1329  
1330 1330  == 4.9 Set Time Sync Interval ==
1331 1331  
1378 +
1332 1332  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1333 1333  
1381 +
1334 1334  (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1335 1335  
1336 1336  [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
... ... @@ -1344,8 +1344,10 @@
1344 1344  
1345 1345  == 4.10 Print data entries base on page. ==
1346 1346  
1395 +
1347 1347  Feature: Print the sector data from start page to stop page (max is 416 pages).
1348 1348  
1398 +
1349 1349  (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1350 1350  
1351 1351  [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
... ... @@ -1359,8 +1359,10 @@
1359 1359  
1360 1360  == 4.11 Print last few data entries. ==
1361 1361  
1412 +
1362 1362  Feature: Print the last few data entries
1363 1363  
1415 +
1364 1364  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1365 1365  
1366 1366  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
... ... @@ -1374,6 +1374,7 @@
1374 1374  
1375 1375  == 4.12 Clear Flash Record ==
1376 1376  
1429 +
1377 1377  Feature: Clear flash storage for data log feature.
1378 1378  
1379 1379  
... ... @@ -1388,13 +1388,13 @@
1388 1388  
1389 1389  
1390 1390  
1391 -
1392 -
1393 1393  == 4.13 Auto Send None-ACK messages ==
1394 1394  
1446 +
1395 1395  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1396 1396  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.
1397 1397  
1450 +
1398 1398  (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1399 1399  
1400 1400  (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
... ... @@ -1410,12 +1410,11 @@
1410 1410  
1411 1411  
1412 1412  
1413 -
1414 -
1415 1415  = 5. Battery & How to replace =
1416 1416  
1417 1417  == 5.1 Battery Type ==
1418 1418  
1470 +
1419 1419  (((
1420 1420  (((
1421 1421  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.
... ... @@ -1436,8 +1436,10 @@
1436 1436  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1437 1437  
1438 1438  
1491 +
1439 1439  == 5.2 Replace Battery ==
1440 1440  
1494 +
1441 1441  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.
1442 1442  
1443 1443  [[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"]]
... ... @@ -1445,6 +1445,7 @@
1445 1445  
1446 1446  == 5.3 Battery Life Analyze ==
1447 1447  
1502 +
1448 1448  (((
1449 1449  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:
1450 1450  [[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]]
... ... @@ -1462,8 +1462,10 @@
1462 1462  
1463 1463  = 6. FAQ =
1464 1464  
1520 +
1465 1465  == 6.1 How to use AT Command? ==
1466 1466  
1523 +
1467 1467  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.
1468 1468  
1469 1469  [[image:image-20220530085651-1.png||_mstalt="429949"]]
... ... @@ -1682,40 +1682,43 @@
1682 1682  AT+PID:  Get or set the PID
1683 1683  
1684 1684  
1742 +
1685 1685  == 6.2 Where to use AT commands and Downlink commands ==
1686 1686  
1687 -(% _msthash="506131" _msttexthash="14585714" %)
1688 -AT commands：
1689 1689  
1746 +**AT commands：**
1747 +
1690 1690  [[image:image-20220620153708-1.png||height="603" width="723"]]
1691 1691  
1692 -(% _msthash="506132" _msttexthash="337922" %)
1693 -Downlink commands:
1694 1694  
1751 +**Downlink commands:**
1695 1695  
1696 -(% _msthash="506133" _msttexthash="33046" %)
1697 -**TTN:**
1698 1698  
1754 +
1755 +(% style="color:blue" %)**TTN:**
1756 +
1699 1699  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1700 1700  
1701 1701  
1702 -(% _msthash="506134" _msttexthash="11113791" %)
1703 -**Helium：**
1704 1704  
1761 +(% style="color:blue" %)**Helium：**
1762 +
1705 1705  [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1706 1706  
1707 1707  
1708 -(% _msthash="506135" _msttexthash="4159844" %)
1709 -**Chirpstack:The downlink window will not be displayed until the network is accessed**
1710 1710  
1767 +(% style="color:blue" %)**Chirpstack: The downlink window will not be displayed until the network is accessed**
1768 +
1769 +
1711 1711  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1712 1712  
1772 +
1713 1713  [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1714 1714  
1715 1715  
1716 -(% _msthash="506136" _msttexthash="39286" %)
1717 -**Aws:**
1718 1718  
1777 +(% style="color:blue" %)**Aws:**
1778 +
1719 1719  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1720 1720  
1721 1721  
... ... @@ -1722,6 +1722,7 @@
1722 1722  
1723 1723  == 6.3 How to change the uplink interval？ ==
1724 1724  
1785 +
1725 1725  [[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"]]
1726 1726  
1727 1727  
... ... @@ -1728,6 +1728,7 @@
1728 1728  
1729 1729  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1730 1730  
1792 +
1731 1731  [[image:image-20220615153355-1.png]]
1732 1732  
1733 1733  [[image:1655802313617-381.png]]
... ... @@ -1784,13 +1784,16 @@
1784 1784  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1785 1785  
1786 1786  
1849 +
1787 1787  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1788 1788  
1852 +
1789 1789  [[image:image-20220623110706-1.png]]
1790 1790  
1791 1791  
1792 1792  [[image:image-20220623112117-4.png||height="459" width="343"]]
1793 1793  
1858 +
1794 1794  (((
1795 1795  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.
1796 1796  )))
... ... @@ -1801,10 +1801,13 @@
1801 1801  [[image:image-20220615154519-3.png||height="672" width="807"]]
1802 1802  
1803 1803  
1869 +
1804 1804  == 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1805 1805  
1872 +
1806 1806  [[image:image-20220623110706-1.png]]
1807 1807  
1875 +
1808 1808  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1809 1809  
1810 1810  [[image:image-20220615170542-5.png]]
... ... @@ -1821,6 +1821,7 @@
1821 1821  (% _msthash="506146" _msttexthash="52173160" %)
1822 1822  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1823 1823  
1892 +
1824 1824  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1825 1825  
1826 1826  [[image:image-20220615171334-6.png]]
... ... @@ -1837,6 +1837,7 @@
1837 1837  Finally,restart reset device again
1838 1838  
1839 1839  
1909 +
1840 1840  = 7. Order Info =
1841 1841  
1842 1842  
... ... @@ -1865,9 +1865,6 @@
1865 1865  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1866 1866  
1867 1867  
1868 -
1869 -
1870 -
1871 1871  = 8. Packing Info =
1872 1872  
1873 1873  
... ... @@ -1882,19 +1882,15 @@
1882 1882  * Device Weight: 120.5g
1883 1883  
1884 1884  
1885 -
1886 -
1887 -
1888 1888  = 9. Reference material =
1889 1889  
1954 +
1890 1890  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1891 1891  
1892 1892  
1893 -
1894 -
1895 -
1896 1896  = 10. FCC Warning =
1897 1897  
1960 +
1898 1898  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1899 1899  
1900 1900  (1) This device may not cause harmful interference；
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