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Last modified by Xiaoling on 2023/07/18 10:12
From version 181.1
edited by Bei Jinggeng
on 2022/06/28 15:07
Change comment: Uploaded new attachment "image-20220628150714-4.png", version {1}
To version 189.12
edited by Xiaoling
on 2022/08/08 17:01
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Bei
1 +XWiki.Xiaoling
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
... ... @@ -60,6 +60,7 @@
60 60  
61 61  
62 62  
64 +
63 63  == 1.3 Specification ==
64 64  
65 65  
... ... @@ -86,10 +86,12 @@
86 86  
87 87  
88 88  
91 +
89 89  = 2. Connect LHT65N to IoT Server =
90 90  
91 91  == 2.1 How does LHT65N work? ==
92 92  
96 +
93 93  (((
94 94  LHT65N is configured as LoRaWAN OTAA Class A mode by default. Each LHT65N is shipped with a worldwide unique set of OTAA keys. To use LHT65N in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N.
95 95  )))
... ... @@ -99,8 +99,10 @@
99 99  )))
100 100  
101 101  
106 +
102 102  == 2.2 How to Activate LHT65N? ==
103 103  
109 +
104 104  (((
105 105  The LHT65N has two working modes:
106 106  )))
... ... @@ -125,6 +125,7 @@
125 125  
126 126  == 2.3 Example to join LoRaWAN network ==
127 127  
134 +
128 128  (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
129 129  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.
130 130  
... ... @@ -140,6 +140,7 @@
140 140  
141 141  === 2.3.1 Step 1: Create Device n TTN ===
142 142  
150 +
143 143  (((
144 144  Create a device in TTN V3 with the OTAA keys from LHT65N.
145 145  )))
... ... @@ -164,9 +164,10 @@
164 164  [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
165 165  
166 166  
167 -Note: LHT65N use same payload as LHT65.
168 168  
176 +(% style="color:red" %)**Note: LHT65N use same payload as LHT65.**
169 169  
178 +
170 170  [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
171 171  
172 172  
... ... @@ -180,6 +180,7 @@
180 180  
181 181  === 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
182 182  
192 +
183 183  (((
184 184  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.
185 185  )))
... ... @@ -191,6 +191,7 @@
191 191  
192 192  == 2.4 Uplink Payload ==
193 193  
204 +
194 194  (((
195 195  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.
196 196  )))
... ... @@ -265,11 +265,14 @@
265 265  
266 266  * The First 6 bytes: has fix meanings for every LHT65N.
267 267  * The 7th byte (EXT #): defines the external sensor model.
268 -* The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.)
279 +* The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won't be these four bytes.)
269 269  
270 270  
282 +
283 +
271 271  === 2.4.1 Decoder in TTN V3 ===
272 272  
286 +
273 273  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.
274 274  
275 275  Below is the position to put the decoder and LHT65N decoder can be download from here:
... ... @@ -285,6 +285,7 @@
285 285  
286 286  === 2.4.2 BAT-Battery Info ===
287 287  
302 +
288 288  These two bytes of BAT include the battery state and the actually voltage
289 289  
290 290  [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
... ... @@ -299,8 +299,11 @@
299 299  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
300 300  
301 301  
317 +
318 +
302 302  === 2.4.3 Built-in Temperature ===
303 303  
321 +
304 304  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
305 305  
306 306  * Temperature:  0x0ABB/100=27.47℃
... ... @@ -310,15 +310,21 @@
310 310  * Temperature:  (0xF5C6-65536)/100=-26.18℃
311 311  
312 312  
331 +
332 +
313 313  === 2.4.4 Built-in Humidity ===
314 314  
335 +
315 315  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
316 316  
317 317  * Humidity:    0x025C/10=60.4%
318 318  
319 319  
341 +
342 +
320 320  === 2.4.5 Ext # ===
321 321  
345 +
322 322  Bytes for External Sensor:
323 323  
324 324  [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
... ... @@ -327,6 +327,7 @@
327 327  
328 328  === 2.4.6 Ext value ===
329 329  
354 +
330 330  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
331 331  
332 332  
... ... @@ -350,6 +350,7 @@
350 350  
351 351  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
352 352  
378 +
353 353  (((
354 354  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:
355 355  )))
... ... @@ -463,15 +463,20 @@
463 463  
464 464  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
465 465  
466 -[[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
492 +(% border="1" cellspacing="8" style="background-color:#ffffcc; color:green; width:520px" %)
493 +|(% 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]**
494 +|(% 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)
467 467  
468 -* Poll Message Flag:  1: This message is a poll message reply, 0: means this is a normal uplink.
469 -* 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.
470 -* 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)
496 +* (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
497 +* (% 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.
498 +* (% 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)
471 471  
472 472  
501 +
502 +
473 473  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
474 474  
505 +
475 475  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
476 476  
477 477  be used to power the external ADC sensor; user can control the power on time for this
... ... @@ -480,10 +480,46 @@
480 480  
481 481  AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
482 482  
514 +For example:
483 483  
516 +AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
484 484  
518 +
519 +Or use **downlink command A2** to set the same.
520 +
521 +The measuring range of the node is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
522 +
523 +When the measured output voltage of the sensor is not within the range of 0.1V and 1.1V, the output voltage terminal of the sensor shall be divided The example in the following figure is to reduce the output voltage of the sensor by three times If it is necessary to reduce more times, calculate according to the formula in the figure and connect the corresponding resistance in series.
524 +
525 +[[image:image-20220628150112-1.png||height="241" width="285"]]
526 +
527 +
528 +When ADC_IN1 pin is connected to GND or suspended, ADC value is 0
529 +
530 +[[image:image-20220628150714-4.png]]
531 +
532 +
533 +When the voltage collected by ADC_IN1 is less than the minimum range, the minimum range will be used as the output; Similarly, when the collected voltage is greater than the maximum range, the maximum range will be used as the output.
534 +
535 +1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
536 +
537 +[[image:image-20220628151005-5.png]]
538 +
539 +
540 +2) The maximum range is about 1.1V. Each chip has internal calibration, so this value is close to 1.1v
541 +
542 +[[image:image-20220628151056-6.png]]
543 +
544 +
545 +3) Within range
546 +
547 +[[image:image-20220628151143-7.png]]
548 +
549 +
550 +
485 485  == 2.5 Show data on Datacake ==
486 486  
553 +
487 487  (((
488 488  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:
489 489  )))
... ... @@ -531,6 +531,7 @@
531 531  
532 532  == 2.6 Datalog Feature ==
533 533  
601 +
534 534  (((
535 535  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.
536 536  )))
... ... @@ -539,12 +539,17 @@
539 539  
540 540  === 2.6.1 Ways to get datalog via LoRaWAN ===
541 541  
610 +
542 542  There are two methods:
543 543  
544 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
545 -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.
613 +1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
614 +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.
546 546  
616 +Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
547 547  
618 +[[image:image-20220703111700-2.png||height="381" width="1119"]]
619 +
620 +
548 548  === 2.6.2 Unix TimeStamp ===
549 549  
550 550  
... ... @@ -567,6 +567,7 @@
567 567  
568 568  === 2.6.3 Set Device Time ===
569 569  
643 +
570 570  (((
571 571  There are two ways to set device's time:
572 572  )))
... ... @@ -584,7 +584,7 @@
584 584  )))
585 585  
586 586  (((
587 -(% 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.
661 +(% 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.**
588 588  )))
589 589  
590 590  (((
... ... @@ -603,6 +603,7 @@
603 603  
604 604  === 2.6.4 Poll sensor value ===
605 605  
680 +
606 606  User can poll sensor value based on timestamps from the server. Below is the downlink command.
607 607  
608 608  [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
... ... @@ -620,6 +620,7 @@
620 620  
621 621  === 2.6.5 Datalog Uplink payload ===
622 622  
698 +
623 623  (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
624 624  The Datalog poll reply uplink will use below payload format.
625 625  
... ... @@ -626,6 +626,9 @@
626 626  (% _mstvisible="1" %)
627 627  (((
628 628  (% _mstvisible="2" %)
705 +
706 +
707 +(% _mstvisible="2" %)
629 629  (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
630 630  )))
631 631  
... ... @@ -888,7 +888,7 @@
888 888  (% _mstvisible="1" %)
889 889  (((
890 890  (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
891 - Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
970 + Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
892 892  )))
893 893  
894 894  (% _mstvisible="1" %)
... ... @@ -950,12 +950,15 @@
950 950  
951 951  == 2.7 Alarm Mode ==
952 952  
1032 +
953 953  (((
954 954  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.
955 955  )))
956 956  
957 957  (((
958 -(% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
1038 +(% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
1039 +
1040 +
959 959  )))
960 960  
961 961  (((
... ... @@ -985,10 +985,25 @@
985 985  )))
986 986  )))
987 987  
1070 +(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
988 988  
1072 +Total bytes: 8 bytes
989 989  
1074 +**Example:**AA0100010001003C
1075 +
1076 +WMOD=01
1077 +
1078 +CITEMP=0001
1079 +
1080 +TEMPlow=0001
1081 +
1082 +TEMPhigh=003C
1083 +
1084 +
1085 +
990 990  == 2.8 LED Indicator ==
991 991  
1088 +
992 992  The LHT65 has a triple color LED which for easy showing different stage .
993 993  
994 994  While user press ACT button, the LED will work as per LED status with ACT button.
... ... @@ -1001,8 +1001,11 @@
1001 1001  * For each success downlink, the PURPLE LED will blink once
1002 1002  
1003 1003  
1101 +
1102 +
1004 1004  == 2.9 installation ==
1005 1005  
1105 +
1006 1006  (% _mstvisible="1" %)
1007 1007  [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1008 1008  
... ... @@ -1012,8 +1012,10 @@
1012 1012  
1013 1013  == 3.1 E2 Extension Cable ==
1014 1014  
1115 +
1015 1015  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1016 1016  
1118 +
1017 1017  **1m long breakout cable for LHT65N. Features:**
1018 1018  
1019 1019  * (((
... ... @@ -1030,6 +1030,9 @@
1030 1030  )))
1031 1031  * (((
1032 1032  Exposed All pins from the LHT65N Type-C connector.
1135 +
1136 +
1137 +
1033 1033  )))
1034 1034  
1035 1035  [[image:image-20220619092421-3.png||height="371" width="529"]]
... ... @@ -1052,8 +1052,11 @@
1052 1052  * Working voltage 2.35v ~~ 5v
1053 1053  
1054 1054  
1160 +
1161 +
1055 1055  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1056 1056  
1164 +
1057 1057  (((
1058 1058  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1059 1059  )))
... ... @@ -1098,10 +1098,13 @@
1098 1098  )))
1099 1099  
1100 1100  
1209 +
1101 1101  == 4.1 Set Transmit Interval Time ==
1102 1102  
1212 +
1103 1103  Feature: Change LoRaWAN End Node Transmit Interval.
1104 1104  
1215 +
1105 1105  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
1106 1106  
1107 1107  [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
... ... @@ -1118,10 +1118,14 @@
1118 1118  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1119 1119  
1120 1120  
1232 +
1233 +
1121 1121  == 4.2 Set External Sensor Mode ==
1122 1122  
1236 +
1123 1123  Feature: Change External Sensor Mode.
1124 1124  
1239 +
1125 1125  (% style="color:#4f81bd" %)**AT Command: AT+EXT**
1126 1126  
1127 1127  [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
... ... @@ -1140,8 +1140,11 @@
1140 1140  * 0xA20702003c: Same as AT+SETCNT=60
1141 1141  
1142 1142  
1258 +
1259 +
1143 1143  == 4.3 Enable/Disable uplink Temperature probe ID ==
1144 1144  
1262 +
1145 1145  (((
1146 1146  Feature: If PID is enabled, device will send the temperature probe ID on:
1147 1147  )))
... ... @@ -1155,6 +1155,8 @@
1155 1155  
1156 1156  (((
1157 1157  PID is default set to disable (0)
1276 +
1277 +
1158 1158  )))
1159 1159  
1160 1160  (% style="color:#4f81bd" %)**AT Command:**
... ... @@ -1168,10 +1168,14 @@
1168 1168  * **0xA801**     **~-~->** AT+PID=1
1169 1169  
1170 1170  
1291 +
1292 +
1171 1171  == 4.4 Set Password ==
1172 1172  
1295 +
1173 1173  Feature: Set device password, max 9 digits
1174 1174  
1298 +
1175 1175  (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1176 1176  
1177 1177  [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
... ... @@ -1185,8 +1185,10 @@
1185 1185  
1186 1186  == 4.5 Quit AT Command ==
1187 1187  
1312 +
1188 1188  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1189 1189  
1315 +
1190 1190  (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1191 1191  
1192 1192  [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
... ... @@ -1200,6 +1200,7 @@
1200 1200  
1201 1201  == 4.6 Set to sleep mode ==
1202 1202  
1329 +
1203 1203  Feature: Set device to sleep mode
1204 1204  
1205 1205  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
... ... @@ -1215,10 +1215,14 @@
1215 1215  * There is no downlink command to set to Sleep mode.
1216 1216  
1217 1217  
1345 +
1346 +
1218 1218  == 4.7 Set system time ==
1219 1219  
1349 +
1220 1220  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1221 1221  
1352 +
1222 1222  (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1223 1223  
1224 1224  [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
... ... @@ -1232,6 +1232,7 @@
1232 1232  
1233 1233  == 4.8 Set Time Sync Mode ==
1234 1234  
1366 +
1235 1235  (((
1236 1236  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1237 1237  )))
... ... @@ -1238,6 +1238,8 @@
1238 1238  
1239 1239  (((
1240 1240  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.
1373 +
1374 +
1241 1241  )))
1242 1242  
1243 1243  (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
... ... @@ -1254,8 +1254,10 @@
1254 1254  
1255 1255  == 4.9 Set Time Sync Interval ==
1256 1256  
1391 +
1257 1257  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1258 1258  
1394 +
1259 1259  (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1260 1260  
1261 1261  [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
... ... @@ -1269,8 +1269,10 @@
1269 1269  
1270 1270  == 4.10 Print data entries base on page. ==
1271 1271  
1408 +
1272 1272  Feature: Print the sector data from start page to stop page (max is 416 pages).
1273 1273  
1411 +
1274 1274  (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1275 1275  
1276 1276  [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
... ... @@ -1284,8 +1284,10 @@
1284 1284  
1285 1285  == 4.11 Print last few data entries. ==
1286 1286  
1425 +
1287 1287  Feature: Print the last few data entries
1288 1288  
1428 +
1289 1289  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1290 1290  
1291 1291  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
... ... @@ -1299,6 +1299,7 @@
1299 1299  
1300 1300  == 4.12 Clear Flash Record ==
1301 1301  
1442 +
1302 1302  Feature: Clear flash storage for data log feature.
1303 1303  
1304 1304  
... ... @@ -1312,11 +1312,15 @@
1312 1312  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1313 1313  
1314 1314  
1456 +
1457 +
1315 1315  == 4.13 Auto Send None-ACK messages ==
1316 1316  
1460 +
1317 1317  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1318 1318  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.
1319 1319  
1464 +
1320 1320  (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1321 1321  
1322 1322  (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
... ... @@ -1331,10 +1331,13 @@
1331 1331  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1332 1332  
1333 1333  
1479 +
1480 +
1334 1334  = 5. Battery & How to replace =
1335 1335  
1336 1336  == 5.1 Battery Type ==
1337 1337  
1485 +
1338 1338  (((
1339 1339  (((
1340 1340  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.
... ... @@ -1355,8 +1355,10 @@
1355 1355  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1356 1356  
1357 1357  
1506 +
1358 1358  == 5.2 Replace Battery ==
1359 1359  
1509 +
1360 1360  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.
1361 1361  
1362 1362  [[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"]]
... ... @@ -1364,6 +1364,7 @@
1364 1364  
1365 1365  == 5.3 Battery Life Analyze ==
1366 1366  
1517 +
1367 1367  (((
1368 1368  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:
1369 1369  [[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]]
... ... @@ -1381,8 +1381,10 @@
1381 1381  
1382 1382  = 6. FAQ =
1383 1383  
1535 +
1384 1384  == 6.1 How to use AT Command? ==
1385 1385  
1538 +
1386 1386  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.
1387 1387  
1388 1388  [[image:image-20220530085651-1.png||_mstalt="429949"]]
... ... @@ -1601,40 +1601,43 @@
1601 1601  AT+PID:  Get or set the PID
1602 1602  
1603 1603  
1757 +
1604 1604  == 6.2 Where to use AT commands and Downlink commands ==
1605 1605  
1606 -(% _msthash="506131" _msttexthash="14585714" %)
1607 -AT commands：
1608 1608  
1761 +**AT commands：**
1762 +
1609 1609  [[image:image-20220620153708-1.png||height="603" width="723"]]
1610 1610  
1611 -(% _msthash="506132" _msttexthash="337922" %)
1612 -Downlink commands:
1613 1613  
1766 +**Downlink commands:**
1614 1614  
1615 -(% _msthash="506133" _msttexthash="33046" %)
1616 -**TTN:**
1617 1617  
1769 +
1770 +(% style="color:blue" %)**TTN:**
1771 +
1618 1618  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1619 1619  
1620 1620  
1621 -(% _msthash="506134" _msttexthash="11113791" %)
1622 -**Helium：**
1623 1623  
1776 +(% style="color:blue" %)**Helium：**
1777 +
1624 1624  [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1625 1625  
1626 1626  
1627 -(% _msthash="506135" _msttexthash="4159844" %)
1628 -**Chirpstack:The downlink window will not be displayed until the network is accessed**
1629 1629  
1782 +(% style="color:blue" %)**Chirpstack: The downlink window will not be displayed until the network is accessed**
1783 +
1784 +
1630 1630  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1631 1631  
1787 +
1632 1632  [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1633 1633  
1634 1634  
1635 -(% _msthash="506136" _msttexthash="39286" %)
1636 -**Aws:**
1637 1637  
1792 +(% style="color:blue" %)**Aws:**
1793 +
1638 1638  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1639 1639  
1640 1640  
... ... @@ -1641,6 +1641,7 @@
1641 1641  
1642 1642  == 6.3 How to change the uplink interval？ ==
1643 1643  
1800 +
1644 1644  [[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"]]
1645 1645  
1646 1646  
... ... @@ -1647,6 +1647,7 @@
1647 1647  
1648 1648  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1649 1649  
1807 +
1650 1650  [[image:image-20220615153355-1.png]]
1651 1651  
1652 1652  [[image:1655802313617-381.png]]
... ... @@ -1703,13 +1703,16 @@
1703 1703  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1704 1704  
1705 1705  
1864 +
1706 1706  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1707 1707  
1867 +
1708 1708  [[image:image-20220623110706-1.png]]
1709 1709  
1710 1710  
1711 1711  [[image:image-20220623112117-4.png||height="459" width="343"]]
1712 1712  
1873 +
1713 1713  (((
1714 1714  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.
1715 1715  )))
... ... @@ -1720,10 +1720,13 @@
1720 1720  [[image:image-20220615154519-3.png||height="672" width="807"]]
1721 1721  
1722 1722  
1723 -== 6.6 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1724 1724  
1885 +== 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1886 +
1887 +
1725 1725  [[image:image-20220623110706-1.png]]
1726 1726  
1890 +
1727 1727  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1728 1728  
1729 1729  [[image:image-20220615170542-5.png]]
... ... @@ -1740,6 +1740,7 @@
1740 1740  (% _msthash="506146" _msttexthash="52173160" %)
1741 1741  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1742 1742  
1907 +
1743 1743  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1744 1744  
1745 1745  [[image:image-20220615171334-6.png]]
... ... @@ -1756,6 +1756,7 @@
1756 1756  Finally,restart reset device again
1757 1757  
1758 1758  
1924 +
1759 1759  = 7. Order Info =
1760 1760  
1761 1761  
... ... @@ -1784,6 +1784,7 @@
1784 1784  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1785 1785  
1786 1786  
1953 +
1787 1787  = 8. Packing Info =
1788 1788  
1789 1789  
... ... @@ -1798,13 +1798,17 @@
1798 1798  * Device Weight: 120.5g
1799 1799  
1800 1800  
1968 +
1801 1801  = 9. Reference material =
1802 1802  
1971 +
1803 1803  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1804 1804  
1805 1805  
1975 +
1806 1806  = 10. FCC Warning =
1807 1807  
1978 +
1808 1808  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1809 1809  
1810 1810  (1) This device may not cause harmful interference；
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