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Title
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1 -LHT65N LoRaWAN Temperature & Humidity Sensor Manual
1 +LHT65N -- LoRaWAN Temperature & Humidity Sensor Manual
Parent
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1 -Main.WebHome
1 +Main.User Manual for LoRaWAN End Nodes.WebHome
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  (((
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118 118  )))
119 119  
120 120  
121 -[[image:image-20220515123819-1.png||_mstalt="430742" height="379" width="317"]]
119 +[[image:image-20230717144740-2.png||height="391" width="267"]]
122 122  
123 123  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
124 124  |=(% 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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132 132  |(% style="background-color:#f2f2f2; width:167px" %)Fast press ACT 5 times.|(% style="background-color:#f2f2f2; width:117px" %)Deactivate Device|(% style="background-color:#f2f2f2; width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means LHT65N is in Deep Sleep Mode.
133 133  
134 134  
135 -
136 136  == 2.3 Example to join LoRaWAN network ==
137 137  
138 138  
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306 306  * Temperature:  (0xF5C6-65536)/100=-26.18℃
307 307  
308 308  
306 +
309 309  (% style="display:none" %)
310 310  
311 311  === 2.4.4 Built-in Humidity ===
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316 316  * Humidity:    0x025C/10=60.4%
317 317  
318 318  
319 -​​​​​​​(% style="display:none" %)
320 320  
318 +(% style="display:none" %)
319 +
321 321  === 2.4.5 Ext # ===
322 322  
323 323  
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329 329  |(% style="width:102px" %)0x09|(% style="width:319px" %)Sensor E3, Temperature Sensor, Datalog Mod
330 330  
331 331  
332 -
333 333  === 2.4.6 Ext value ===
334 334  
335 335  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
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366 366  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:
367 367  )))
368 368  
369 -
370 370  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
371 371  |=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
372 372  **Size(bytes)**
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470 470  
471 471  
472 472  
473 -==== 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" %) (%%) ====
474 474  
472 +[[image:image-20230717151328-8.png]]
475 475  
476 -[[image:image-20220927095645-1.png||_mstalt="433771" height="534" width="460"]]
474 +(% style="display:none" %) (%%)
477 477  
478 478  
477 +
479 479  (% style="color:blue" %)**Ext=2,Temperature Sensor(TMP117)：**
480 480  
481 481  [[image:image-20220906102307-7.png||_mstalt="430443"]]
482 482  
483 483  
484 -(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
483 +(% style="color:blue" %)**Interrupt Mode and Counting Mode:**(% style="color: blue; display: none" %)** **
485 485  
486 486  The external cable NE2 can be use for MOD4 and MOD8
487 487  
488 488  
489 489  
490 -==== 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) ====
491 491  
492 492  
493 -[[image:65N-E31F.jpg||height="454" width="459"]]
494 494  
493 +[[image:image-20230717151245-7.png]]
495 495  
496 496  (% style="color:blue" %)**Ext=11,Temperature & Humidity Sensor(SHT31)：**
497 497  
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604 604  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:
605 605  )))
606 606  
607 -
608 608  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
609 609  |=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
610 610  **Size(bytes)**
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1130 1130  * Working voltage 2.35v ~~ 5v
1131 1131  
1132 1132  
1133 -
1134 1134  == 3.3 E31F Temperature Probe ==
1135 1135  
1136 1136  
1137 -[[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" %)
1138 1138  
1139 1139  
1140 1140  Temperature sensor with 1 meters cable long
1141 1141  
1139 +
1142 1142  **Built-in Temperature Sensor:**
1143 1143  
1144 1144  * Resolution: 0.01 °C
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1246 1246  
1247 1247  Feature: Change External Sensor Mode.
1248 1248  
1249 -
1250 1250  (% style="color:#4f81bd" %)**AT Command: AT+EXT**
1251 1251  
1252 -
1253 1253  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:468px" %)
1254 1254  |(% 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**
1255 1255  |(% 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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1432 1432  
1433 1433  [[image:image-20230426164330-2.png]]
1434 1434  
1435 -
1436 1436  (% style="color:#4f81bd" %)**Downlink Command:**
1437 1437  
1438 1438  No downlink commands for feature
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1447 1447  
1448 1448  [[image:image-20230426164932-3.png]]
1449 1449  
1450 -
1451 1451  (% style="color:#4f81bd" %)**Downlink Command:**
1452 1452  
1453 1453  No downlink commands for feature
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1458 1458  
1459 1459  Feature: Clear flash storage for data log feature.
1460 1460  
1461 -
1462 1462  (% style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1463 1463  
1464 -
1465 1465  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:503px" %)
1466 1466  |(% 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**
1467 1467  |(% style="width:155px" %)AT+CLRDTA |(% style="width:134px" %)Clear date record|(% style="width:209px" %)(((
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1605 1605  * (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1606 1606  
1607 1607  (((
1600 +(% _mstmutation="1" style="color:red" %)**(Note: This pin only corresponds to the lead-out board sold by dragino company. For the lead-out board purchased by yourself, please refer to the pin description in Chapter 6.6)**
1601 +
1608 1608  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**) (%%)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.
1609 1609  )))
1610 1610  
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