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Last modified by Xiaoling on 2025/06/10 09:17
From version 44.3
edited by Xiaoling
on 2023/05/16 17:18
Change comment: There is no comment for this version
To version 37.9
edited by Xiaoling
on 2023/04/27 10:29
Change comment: There is no comment for this version

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1 1  (% style="text-align:center" %)
2 -[[image:LHT65N-PIR1.jpg||alt="image-20221206143242-2.png" height="484" width="485"]]
2 +[[image:image-20221206143242-2.png||height="602" width="551"]]
3 3  
4 4  
5 5  
6 6  
7 +
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11 +
7 7  **Table of Contents：**
8 8  
9 9  {{toc/}}
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13 13  
14 14  
15 15  
21 +
22 +
23 +
16 16  = 1. Introduction =
17 17  
18 18  == 1.1 What is LHT65N-PIR Temperature,Humidity & PIR Sensor ==
19 19  
20 -
21 21  The Dragino (% style="color:blue" %)**LHT65N-PIR Temperature, Humidity & PIR sensor**(%%) is a Long Range LoRaWAN Sensor.It includes a (% style="color:blue" %)**built-in Temperature & Humidity sensor**(%%) and has an (% style="color:blue" %)**external PIR Probe**(%%)**.** LHT65N-PIR can detect environment Temperature & Humdity, it also detects (% style="color:blue" %)**People Activity**(%%) via PIR probe and them send these info to LoRaWAN IoT Server.
22 22  
23 23  The LHT65N-PIR allows users to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
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28 28  
29 29  LHT65N-PIR is fully compatible with (% style="color:blue" %)**LoRaWAN v1.0.3 Class A protocol**(%%), it can work with a standard LoRaWAN gateway.
30 30  
38 +
31 31  **~*~***The actual battery life depends on how often to send data, please see battery analyzer chapter.
32 32  
33 33  
34 34  == 1.2 Features ==
35 35  
36 -
37 37  * LoRaWAN v1.0.3 Class A protocol
38 38  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
39 39  * AT Commands to change parameters
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69 69  * (% class="mark" %)Resolution: 1 lx
70 70  * (% class="mark" %)Range: 0-65535 lx
71 71  * (% class="mark" %)Operating Range: -40 °C ~~ 85 °C
79 +*
72 72  
73 73  = 2. Connect LHT65N-PIR to IoT Server =
74 74  
75 75  == 2.1 How does LHT65N-PIR work? ==
76 76  
77 -
78 78  LHT65N-PIR is configured as LoRaWAN OTAA Class A sensor by default. Each LHT65N-PIR is shipped with a worldwide unique set of OTAA keys. To use LHT65N-PIR in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N-PIR.
79 79  
80 80  If LHT65N-PIR is within the coverage of this LoRaWAN network. LHT65N-PIR can join the LoRaWAN network automatically. After successfully joining, LHT65N-PIR will start to measure environment temperature, humidity & people activity, and start to transmit sensor data to the LoRaWAN server. The default period for each uplink is 20 minutes.
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82 82  
83 83  == 2.2 How to Activate LHT65N-PIR? ==
84 84  
85 -
86 86  The LHT65N-PIR has two working modes:
87 87  
88 88  * (% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N-PIR doesn't have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
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95 95  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N-E5%20LoRaWAN%20Temperature_Humidity%20%26%20Illuminance%20Sensor%20User%20Manual/WebHome/image-20220515123819-1.png?width=317&height=379&rev=1.1||alt="image-20220515123819-1.png" height="379" width="317"]]
96 96  
97 97  
104 +
98 98  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
99 99  |=(% 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**
100 100  |(% style="background-color:#f2f2f2; width:167px" %)Pressing ACT between 1s < time < 3s|(% style="background-color:#f2f2f2; width:117px" %)Test uplink status|(% style="background-color:#f2f2f2; width:225px" %)(((
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127 127  
128 128  Each LHT65N-PIR is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
129 129  
130 -[[image:image-20230426083533-1.png||height="286" width="616"]]
137 +[[image:image-20230426083533-1.png]]
131 131  
132 132  
133 133  User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
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178 178  
179 179  Example parse in TTNv3
180 180  
181 -[[image:image-20230508151932-1.png]]
188 +[[image:1675144504430-490.png]]
182 182  
183 183  **Sensor Model**: For LHT65N-PIR, this value is 0x1A
184 184  
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305 305  11(b): Good (BAT >= 2.65v)
306 306  )))|(% style="width:152px" %)Actually BAT voltage
307 307  
315 +
308 308  [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220522235639-1.png||_mstalt="431392" height="139" width="727"]]
309 309  
310 310  
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331 331  
332 332  === 2.5.5 Ext value ===
333 333  
334 -==== 2.5.5.1 Ext~=0x0E, PIR Sensor ====
342 +==== 2.5.5.1 Ext~=0x0A, PIR Sensor ====
335 335  
336 -[[image:ext=14.png||alt="image-20221224161634-2.png"]]
344 +[[image:image-20221224161634-2.png||height="138" width="851"]]
337 337  
338 338  
339 339  ==== 2.5.5.2 Ext Value ====
340 340  
341 -
342 342  There are 4 bytes in Ext Value field.
343 343  
344 344  Bit0 of byte 8th shows if this uplink is generate by PIR activity.
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358 358  )))|(% style="width:211px" %)(((
359 359  (((
360 360  0: Normal Uplink
368 +
361 361  1: Uplink by activity detected
362 362  )))
363 363  )))
364 364  
365 -(% style="color:red" %)**Note**:** Uplink by activity is disable by default.**
373 +(% style="color:red" %)**Note**:** Uplink by activity is disable by default.**
366 366  
375 +
367 367  The 9^^th^^ ~~ 11^^st^^  byte: Movement Detect Count.
368 368  
369 369  0x00 E5 09 : Total detect 58633 activity since end node start.
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371 371  
372 372  == 2.6 Show data on Datacake ==
373 373  
374 -
375 375  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:
376 376  
377 377  (% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
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409 409  
410 410  In a normal working state:
411 411  
412 -* For each uplink, the **(% style="color:blue" %)BLUE LED**(%%) or (% style="color:red" %)**RED LED**(%%) will blink once.
413 -(% style="color:blue" %)**BLUE LED**(%%) when external sensor is connected.
414 -* (% style="color:red" %)**RED LED**(%%) when external sensor is not connected
415 -* For each success downlink, the (% style="color:purple" %)**PURPLE LED** will blink once
420 +* For each uplink, the BLUE LED or RED LED will blink once.
421 +BLUE LED when external sensor is connected.
422 +* RED LED when external sensor is not connected
423 +* For each success downlink, the PURPLE LED will blink once
416 416  
417 417  == 2.8 installation ==
418 418  
419 -
420 420  ~1. Don't install LHT65N-PIR outdoor or place where will get wet.
421 421  
422 422  2. Towards the PIR probe to the place where need to monitor activity. Below is the detect beam.
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425 425  
426 426  [[image:image-20230411135341-1.png||height="450" width="456"]]
427 427  
428 -(% style="color:red" %)**Notice: PIR can only detect motion activity, not to use to detect static people case.**
435 +**Notice: PIR can only detect motion activity, not to use to detect static people case.**
429 429  
430 430  * 1. PIR Motion Detector should not be installed near the Air conditioner places where with cold wind or hot wind flow, because PIR motion detector is sensitive with the temperature changes of the environment. Environment changes quickly will cause a false alarm.
431 431  * 2. PIR should not be installed facing the glass window, facing glass window will be interfered by the outside sunlight and moving objects (people or vehicle). The infrared energy can penetrate the glass window.
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441 441  [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220619092222-1.png||_mstalt="429533" height="182" width="188"]][[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220619092313-2.png||_mstalt="430222" height="182" width="173"]]
442 442  
443 443  
444 -**1m long breakout cable for LHT65N-PIR. Features:**
451 +**1m long breakout cable for LHT65N-E5. Features:**
445 445  
446 446  * (((
447 447  Use for AT Command
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487 487  
488 488  Feature: Change LoRaWAN End Node Transmit Interval.
489 489  
497 +
490 490  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
491 491  
492 492  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:501px" %)
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506 506  
507 507  === 4.3.2 Get Device Status ===
508 508  
509 -
510 510  Send a LoRaWAN downlink to ask device send Alarm settings.
511 511  
512 512  * (% style="color:#4f81bd" %)**Downlink Payload**(%%)**:  **0x26 01
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519 519  
520 520  Feature: Set device password, max 9 digits
521 521  
529 +
522 522  (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
523 523  
532 +
524 524  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:372px" %)
525 525  |(% style="background-color:#d9e2f3; color:#0070c0; width:155px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:128px" %)**Function**|(% style="background-color:#d9e2f3; color:#0070c0; width:89px" %)**Response**
526 526  |(% style="width:155px" %)AT+PWORD=?|(% style="width:124px" %)Show password|(% style="width:86px" %)(((
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535 535  No downlink command for this feature.
536 536  
537 537  
547 +
538 538  === 4.3.4 Set to sleep mode ===
539 539  
540 540  
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546 546  
547 547  (% style="color:#4f81bd" %)**AT Command: AT+SLEEP**
548 548  
549 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:513px" %)
550 -|(% style="background-color:#d9e2f3; color:#0070c0; width:155px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:140px" %)**Function**|(% style="background-color:#d9e2f3; color:#0070c0; width:218px" %)**Response**
551 -|(% style="width:155px" %)AT+SLEEP|(% style="width:139px" %)Set to sleep mode|(% style="width:213px" %)(((
552 -Clear all stored sensor data…
559 +[[image:image-20220523151218-7.png||_mstalt="430703"]]
553 553  
554 -OK
555 -)))
556 556  
557 557  (% style="color:#4f81bd" %)**Downlink Command:**
558 558  
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560 560  
561 561  === 4.3.5 Set UOA (Uplink on Activity) ===
562 562  
563 -
564 564  Feature: Enable / Disable Uplink on Activity
565 565  
566 566  * **AT+UOA=0**  : Disable UoA
567 -
568 568  * **AT+UOA=1,2** :  Enable UoA , Calm Down Time: 2 minutes. If device already send a uplink on activity, it will not send another uplink on activiy in 2 minutes, even detect activity.
569 569  
570 -(% style="color:red" %)**Notice: Calm Down time range is 1 ~~ 65535 minutes. If user set Calm Down time to low value, such as 1 minute, the sensor might send uplink very frequenctly and battery drain fast.**
573 +Notice: Calm Down time range is 1 ~~ 65535 minutes. If user set Calm Down time to low value, such as 1 minute, the sensor might send uplink very frequenctly and battery drain fast.
571 571  
572 572  (% style="color:#4f81bd" %)**AT Command: AT+UOA**
573 573  
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577 577  
578 578  = 5. Battery & Power Consumption =
579 579  
580 -
581 581  LHT65N-PIR use **CR17450** battery pack. See below link for detail information about the battery info and how to replace.
582 582  
583 583  [[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
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585 585  
586 586  = 6. OTA firmware update =
587 587  
590 +User can change firmware S31x-LB to:
588 588  
589 -User can change firmware LHT65N-PIR to:
590 -
591 591  * Change Frequency band/ region.
592 592  * Update with new features.
593 593  * Fix bugs.
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604 604  == 7.1 How to use AT Command? ==
605 605  
606 606  
607 -LHT65N-PIR 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.
608 +LHT65N-E5 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.
608 608  
609 609  
610 610  [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615153355-1.png||_mstalt="430222"]]
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614 614  [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@1655802313617-381.png||_mstalt="293917"]]
615 615  
616 616  
617 -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-PIR. 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.
618 +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-E5. 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.
618 618  
619 619  [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615154519-3.png||_mstalt="431925" height="672" width="807"]]
620 620  
621 621  
623 +
622 622  == 7.2 Where to use AT commands and Downlink commands ==
623 623  
624 624  
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660 660  
661 661  == 7.3 How to change the uplink interval？ ==
662 662  
663 -
664 664  Please see this link: [[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/||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]]
665 665  
666 666  [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615154519-3.png||_mstalt="431925" height="672" width="807"]]
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668 668  
669 669  == 7.4 How to use TTL-USB to connect PC to upgrade firmware? ==
670 670  
671 -
672 672  [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615153355-1.png||_mstalt="430222"]]
673 673  
674 674  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
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