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Last modified by Xiaoling on 2025/06/10 09:17
From version 38.1
edited by Ellie Zhang
on 2023/05/06 10:32
Change comment: Uploaded new attachment "LHT65N-PIR1.jpg", version {1}
To version 45.1
edited by Edwin Chen
on 2023/05/24 16:01
Change comment: There is no comment for this version

Summary

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1 -XWiki.Ellie
1 +XWiki.Edwin
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1 1  (% style="text-align:center" %)
2 -[[image:image-20221206143242-2.png||height="602" width="551"]]
2 +[[image:LHT65N-PIR1.jpg||alt="image-20221206143242-2.png" height="484" width="485"]]
3 3  
4 4  
5 5  
6 6  
7 -
8 -
9 -
10 -
11 -
12 12  **Table of Contents：**
13 13  
14 14  {{toc/}}
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18 18  
19 19  
20 20  
21 -
22 -
23 -
24 24  = 1. Introduction =
25 25  
26 26  == 1.1 What is LHT65N-PIR Temperature,Humidity & PIR Sensor ==
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54 54  * Tri-color LED to indicate working status(% style="display:none" %)
55 55  
56 56  
57 -
58 58  == 1.3 Specification ==
59 59  
60 60  
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72 72  * Long Term Drift: < 0.02 °C/yr
73 73  * Operating Range: 0 ~~ 96 %RH
74 74  
75 -(% class="mark" style="color:#037691" %)**External PIR Sensor:**
66 +(% style="color:#037691" %)**External PIR Sensor:**
76 76  
77 -* (% class="mark" %)Base on BH1750 Illumination Sensor
78 -* (% class="mark" %)Cable Length : 50cm
79 -* (% class="mark" %)Resolution: 1 lx
80 -* (% class="mark" %)Range: 0-65535 lx
81 -* (% class="mark" %)Operating Range: -40 °C ~~ 85 °C
68 +* Base on RDB223 Sensor
69 +* Cable Length : 1 meter
70 +* Stable detect distance : 0~~3 meter
82 82  
83 83  
84 -
85 85  = 2. Connect LHT65N-PIR to IoT Server =
86 86  
87 87  == 2.1 How does LHT65N-PIR work? ==
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119 119  |(% 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.
120 120  
121 121  
122 -
123 123  == 2.3 Example to join LoRaWAN network ==
124 124  
125 125  
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141 141  
142 142  Each LHT65N-PIR is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
143 143  
144 -[[image:image-20230426083533-1.png]]
131 +[[image:image-20230426083533-1.png||height="286" width="616"]]
145 145  
146 146  
147 147  User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
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192 192  
193 193  Example parse in TTNv3
194 194  
195 -[[image:1675144504430-490.png]]
182 +[[image:image-20230508151932-1.png]]
196 196  
184 +
197 197  **Sensor Model**: For LHT65N-PIR, this value is 0x1A
198 198  
199 199  **Firmware Version**: 0x0100, Means: v1.0.0 version
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290 290  * The 9^^th^^ ~~ 11^^st^^  byte: Movement Detect Count.
291 291  
292 292  
293 -
294 294  === 2.5.1 Decoder in TTN V3 ===
295 295  
296 296  
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330 330  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
331 331  
332 332  
333 -
334 334  === 2.5.3 Built-in Temperature ===
335 335  
336 336  [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220522235639-2.png||_mstalt="431756" height="138" width="722"]]
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342 342  * Temperature:  (0xF5C6-65536)/100=-26.18℃
343 343  
344 344  
345 -
346 346  === 2.5.4 Built-in Humidity ===
347 347  
348 348  [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220522235639-4.png||_mstalt="432484" height="138" width="722"]]
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350 350  * Humidity:    0x025C/10=60.4%
351 351  
352 352  
353 -
354 354  === 2.5.5 Ext value ===
355 355  
356 -==== 2.5.5.1 Ext~=0x0A, PIR Sensor ====
340 +==== 2.5.5.1 Ext~=0x0E, PIR Sensor ====
357 357  
358 -[[image:image-20221224161634-2.png||height="138" width="851"]]
359 359  
343 +[[image:ext=14.png||alt="image-20221224161634-2.png"]]
360 360  
345 +
361 361  ==== 2.5.5.2 Ext Value ====
362 362  
363 363  
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380 380  )))|(% style="width:211px" %)(((
381 381  (((
382 382  0: Normal Uplink
383 -
384 384  1: Uplink by activity detected
385 385  )))
386 386  )))
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432 432  
433 433  In a normal working state:
434 434  
435 -* For each uplink, the **BLUE LED** or **RED LED** will blink once.
436 -**BLUE LED** when external sensor is connected.
437 -* **RED LED** when external sensor is not connected
438 -* For each success downlink, the PURPLE LED will blink once
419 +* For each uplink, the (% style="color:blue" %)**BLUE LED**(%%) or (% style="color:red" %)**RED LED**(%%) will blink once.
420 +(% style="color:blue" %)**BLUE LED**(%%) when external sensor is connected.
421 +* (% style="color:red" %)**RED LED**(%%) when external sensor is not connected
422 +* For each success downlink, the (% style="color:purple" %)**PURPLE LED**(%%) will blink once
439 439  
440 440  
441 -
442 442  == 2.8 installation ==
443 443  
444 444  
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450 450  
451 451  [[image:image-20230411135341-1.png||height="450" width="456"]]
452 452  
436 +
453 453  (% style="color:red" %)**Notice: PIR can only detect motion activity, not to use to detect static people case.**
454 454  
455 455  * 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.
440 +
456 456  * 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.
442 +
457 457  * 3. PIR should not be installed facing the moving objects or background changing objects, movement object will cause airflow change, it may cause false alarm.
444 +
458 458  * 4. Between the detection range of PIR Motion detector, there is should be less objects.  Many objects may reduce the sensitive of detection range.
446 +
459 459  * 5. Do not install more than one (2 or above) Wireless PIR in the same detection space (like at the same room).
460 460  
461 461  
462 -
463 463  = 3. Sensors and Accessories =
464 464  
465 465  == 3.1 E2 Extension Cable ==
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488 488  LHT65N-PIR supports below configure method:
489 489  
490 490  * AT Command via UART Connection : See [[FAQ>>||anchor="H7.FAQ"]].
478 +
491 491  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>url:http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
492 492  
493 493  
494 -
495 495  == 4.2 General Commands ==
496 496  
497 497  
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534 534  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
535 535  
536 536  
537 -
538 538  === 4.3.2 Get Device Status ===
539 539  
540 540  
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590 590  * There is no downlink command to set to Sleep mode.
591 591  
592 592  
593 -
594 594  === 4.3.5 Set UOA (Uplink on Activity) ===
595 595  
596 596  
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633 633  * Update through UART TTL interface. **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
634 634  
635 635  
636 -
637 637  = 7. FAQ =
638 638  
639 639  == 7.1 How to use AT Command? ==
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760 760  * (% style="color:#4f81bd" %)** **(% _mstmutation="1" style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
761 761  
762 762  
763 -
764 764  = 9. Packing Info =
765 765  
766 766  
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774 774  * Device Weight: 120.5g
775 775  
776 776  
777 -
778 778  = 10. Reference material =
779 779  
780 780  
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781 781  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0]]
782 782  
783 783  
784 -
785 785  = 11. FCC Warning =
786 786  
787 787  
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