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Last modified by Xiaoling on 2023/07/18 10:12
From version 253.1
edited by Bei Jinggeng
on 2023/06/30 15:44
Change comment: There is no comment for this version
To version 261.3
edited by Xiaoling
on 2023/07/17 15:27
Change comment: There is no comment for this version

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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="510" width="334"]]
2 +[[image:image-20230717152014-10.png||height="575" width="339"]]
3 3  
4 4  
5 5  
6 -
7 -
8 8  **Table of Contents:**
9 9  
10 10  {{toc/}}
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15 15  
16 16  = 1. Introduction =
17 17  
18 -== 1.1 What is LHT65N Temperature & Humidity Sensor ==
16 +== 1.1 What is LHT65N LoRaWAN (% style="display:none" %) (%%)Temperature & Humidity Sensor ==
19 19  
20 20  
21 21  (((
22 -The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% style="color:#4f81bd" %)**Temperature Sensor.**
20 +The Dragino LHT65N (% style="display:none" %) (%%)Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% style="color:#4f81bd" %)**Temperature Sensor.**
23 23  )))
24 24  
25 25  (((
... ... @@ -58,6 +58,7 @@
58 58  * Datalog feature (Max 3328 records)
59 59  
60 60  
59 +
61 61  == 1.3 Specification ==
62 62  
63 63  
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83 83  * Operating Range: -55 °C ~~ 125 °C
84 84  
85 85  
85 +
86 86  = 2. Connect LHT65N to IoT Server =
87 87  
88 88  == 2.1 How does LHT65N work? ==
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116 116  )))
117 117  
118 118  
119 -[[image:image-20220515123819-1.png||_mstalt="430742" height="379" width="317"]]
119 +[[image:image-20230717144740-2.png||height="391" width="267"]]
120 120  
121 121  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
122 122  |=(% style="width: 167px;background-color:#D9E2F3;color:#0070C0" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 225px;background-color:#D9E2F3;color:#0070C0" %)**Action**
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246 246  * The 8^^th^^ ~~ 11^^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.)
247 247  
248 248  
249 +
249 249  === 2.4.1 Decoder in TTN V3 ===
250 250  
251 251  
... ... @@ -289,6 +289,7 @@
289 289  * Battery Voltage =0xCBA4&0x3FFF=0x0BA4=2980mV
290 290  
291 291  
293 +
292 292  === 2.4.3 Built-in Temperature ===
293 293  
294 294  
... ... @@ -300,6 +300,8 @@
300 300  
301 301  * Temperature:  (0xF5C6-65536)/100=-26.18℃
302 302  
305 +
306 +
303 303  (% style="display:none" %)
304 304  
305 305  === 2.4.4 Built-in Humidity ===
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309 309  
310 310  * Humidity:    0x025C/10=60.4%
311 311  
316 +
317 +
312 312  (% style="display:none" %)
313 313  
314 314  === 2.4.5 Ext # ===
... ... @@ -358,7 +358,6 @@
358 358  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:
359 359  )))
360 360  
361 -
362 362  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
363 363  |=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
364 364  **Size(bytes)**
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412 412  * (% 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)
413 413  
414 414  
420 +
415 415  ==== 2.4.6.3 Ext~=6, ADC Sensor(use with E2 Cable) ====
416 416  
417 417  
... ... @@ -461,28 +461,30 @@
461 461  
462 462  
463 463  
464 -==== 2.4.6.4 Ext~=2 TMP117 Sensor(Since Firmware v1.3) ====
470 +==== 2.4.6.4 Ext~=2 TMP117 Sensor((% style="display:none" %) (%%)Since Firmware v1.3)(% style="display:none" %) (%%) ====
465 465  
472 +[[image:image-20230717151328-8.png]]
466 466  
467 -[[image:image-20220927095645-1.png||_mstalt="433771" height="534" width="460"]]
474 +(% style="display:none" %) (%%)
468 468  
469 469  
477 +
470 470  (% style="color:blue" %)**Ext=2,Temperature Sensor(TMP117)：**
471 471  
472 472  [[image:image-20220906102307-7.png||_mstalt="430443"]]
473 473  
474 474  
475 -(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
483 +(% style="color:blue" %)**Interrupt Mode and Counting Mode:**(% style="color: blue; display: none" %)** **
476 476  
477 477  The external cable NE2 can be use for MOD4 and MOD8
478 478  
479 479  
480 480  
481 -==== 2.4.6.5 Ext~=11 SHT31 Sensor (Since Firmware v1.4.1) ====
489 +==== 2.4.6.5 Ext~=11 SHT31 Sensor ((% style="display:none" %) (%%)Since Firmware v1.4.1) ====
482 482  
483 483  
484 -[[image:65N-E31F.jpg||height="454" width="459"]]
485 485  
493 +[[image:image-20230717151245-7.png]]
486 486  
487 487  (% style="color:blue" %)**Ext=11,Temperature & Humidity Sensor(SHT31)：**
488 488  
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595 595  Timestamp mode is designed for LHT65N with E2 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:
596 596  )))
597 597  
598 -
599 599  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
600 600  |=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
601 601  **Size(bytes)**
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649 649  * (% 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)
650 650  
651 651  
659 +
652 652  == 2.5 Show data on Datacake ==
653 653  
654 654  
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1066 1066  * For each success downlink, the PURPLE LED will blink once
1067 1067  
1068 1068  
1077 +
1069 1069  == 2.9 installation ==
1070 1070  
1071 1071  
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1122 1122  == 3.3 E31F Temperature Probe ==
1123 1123  
1124 1124  
1125 -[[image:65N-E31F-1.jpg||height="169" width="170"]] [[image:65N-E31F.jpg||height="196" width="198"]]
1134 +[[image:65N-E31F-1.jpg||height="169" width="170"]] [[image:image-20230717151424-9.png||height="221" width="204"]](% style="display:none" %)
1126 1126  
1127 1127  
1128 1128  Temperature sensor with 1 meters cable long
1129 1129  
1139 +
1130 1130  **Built-in Temperature Sensor:**
1131 1131  
1132 1132  * Resolution: 0.01 °C
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1156 1156  * Operating Range: 0 ~~ 96 % RH
1157 1157  
1158 1158  
1169 +
1159 1159  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1160 1160  
1161 1161  
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1227 1227  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1228 1228  
1229 1229  
1241 +
1230 1230  == 4.2 Set External Sensor Mode ==
1231 1231  
1232 1232  
1233 1233  Feature: Change External Sensor Mode.
1234 1234  
1235 -
1236 1236  (% style="color:#4f81bd" %)**AT Command: AT+EXT**
1237 1237  
1238 -
1239 1239  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:468px" %)
1240 1240  |(% style="background-color:#d9e2f3; color:#0070c0; width:155px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:153px" %)**Function**|(% style="background-color:#d9e2f3; color:#0070c0; width:160px" %)**Response**
1241 1241  |(% style="width:155px" %)AT+EXT=?|(% style="width:151px" %)Get current external sensor mode|(% style="width:158px" %)1 OK External Sensor mode =1
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1255 1255  * 0xA20702003c: Same as AT+SETCNT=60
1256 1256  
1257 1257  
1268 +
1258 1258  == 4.3 Enable/Disable uplink Temperature probe ID ==
1259 1259  
1260 1260  
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1287 1287  * **0xA801**     **~-~->** AT+PID=1
1288 1288  
1289 1289  
1301 +
1290 1290  == 4.4 Set Password ==
1291 1291  
1292 1292  
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1347 1347  * There is no downlink command to set to Sleep mode.
1348 1348  
1349 1349  
1362 +
1350 1350  == 4.7 Set system time ==
1351 1351  
1352 1352  
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1415 1415  
1416 1416  [[image:image-20230426164330-2.png]]
1417 1417  
1418 -
1419 1419  (% style="color:#4f81bd" %)**Downlink Command:**
1420 1420  
1421 1421  No downlink commands for feature
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1430 1430  
1431 1431  [[image:image-20230426164932-3.png]]
1432 1432  
1433 -
1434 1434  (% style="color:#4f81bd" %)**Downlink Command:**
1435 1435  
1436 1436  No downlink commands for feature
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1441 1441  
1442 1442  Feature: Clear flash storage for data log feature.
1443 1443  
1444 -
1445 1445  (% style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1446 1446  
1447 -
1448 1448  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:503px" %)
1449 1449  |(% style="background-color:#d9e2f3; color:#0070c0; width:157px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:137px" %)**Function**|(% style="background-color:#d9e2f3; color:#0070c0; width:209px" %)**Response**
1450 1450  |(% style="width:155px" %)AT+CLRDTA |(% style="width:134px" %)Clear date record|(% style="width:209px" %)(((
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1458 1458  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1459 1459  
1460 1460  
1470 +
1461 1461  == 4.13 Auto Send None-ACK messages ==
1462 1462  
1463 1463  
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1476 1476  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1477 1477  
1478 1478  
1489 +
1479 1479  == 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm(Since firmware 1.3.0) ==
1480 1480  
1481 1481  
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1923 1923  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1924 1924  
1925 1925  
1937 +
1926 1926  = 8. Packing Info =
1927 1927  
1928 1928  
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1937 1937  * Device Weight: 120.5g
1938 1938  
1939 1939  
1952 +
1940 1940  = 9. Reference material =
1941 1941  
1942 1942  
... ... @@ -1943,6 +1943,7 @@
1943 1943  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0]]
1944 1944  
1945 1945  
1959 +
1946 1946  = 10. FCC Warning =
1947 1947  
1948 1948  
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