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Last modified by Xiaoling on 2025/06/10 09:17
From version 45.5
edited by Xiaoling
on 2023/05/27 08:58
Change comment: There is no comment for this version
To version 37.8
edited by Xiaoling
on 2023/04/27 09:29
Change comment: There is no comment for this version

Summary

Details

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Content
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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 +
8 +
9 +
10 +
11 +
7 7  **Table of Contents：**
8 8  
9 9  {{toc/}}
... ... @@ -13,11 +13,13 @@
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.
... ... @@ -28,12 +28,12 @@
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
... ... @@ -43,12 +43,8 @@
43 43  * Built-in 2400mAh battery for up to 5 years of use.
44 44  * Built-in Temperature & Humidity sensor
45 45  * External PIR Sensor
46 -* Tri-color LED to indicate working status
53 +* Tri-color LED to indicate working status(% style="display:none" %)
47 47  
48 -
49 -
50 -(% style="display:none" %)
51 -
52 52  == 1.3 Specification ==
53 53  
54 54  
... ... @@ -66,18 +66,19 @@
66 66  * Long Term Drift: < 0.02 °C/yr
67 67  * Operating Range: 0 ~~ 96 %RH
68 68  
69 -(% style="color:#037691" %)**External PIR Sensor:**
72 +(% class="mark" style="color:#037691" %)**External PIR Sensor:**
70 70  
71 -* Base on RDB223 Sensor
72 -* Cable Length : 1 meter
73 -* Stable detect distance : 0~~3 meter
74 +* (% class="mark" %)Base on BH1750 Illumination Sensor
75 +* (% class="mark" %)Cable Length : 50cm
76 +* (% class="mark" %)Resolution: 1 lx
77 +* (% class="mark" %)Range: 0-65535 lx
78 +* (% class="mark" %)Operating Range: -40 °C ~~ 85 °C
79 +*
74 74  
75 -
76 76  = 2. Connect LHT65N-PIR to IoT Server =
77 77  
78 78  == 2.1 How does LHT65N-PIR work? ==
79 79  
80 -
81 81  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.
82 82  
83 83  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.
... ... @@ -85,7 +85,6 @@
85 85  
86 86  == 2.2 How to Activate LHT65N-PIR? ==
87 87  
88 -
89 89  The LHT65N-PIR has two working modes:
90 90  
91 91  * (% 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.
... ... @@ -98,6 +98,7 @@
98 98  [[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"]]
99 99  
100 100  
104 +
101 101  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
102 102  |=(% 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**
103 103  |(% 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" %)(((
... ... @@ -109,7 +109,6 @@
109 109  )))
110 110  |(% 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.
111 111  
112 -
113 113  == 2.3 Example to join LoRaWAN network ==
114 114  
115 115  
... ... @@ -131,7 +131,7 @@
131 131  
132 132  Each LHT65N-PIR is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
133 133  
134 -[[image:image-20230426083533-1.png||height="286" width="616"]]
137 +[[image:image-20230426083533-1.png]]
135 135  
136 136  
137 137  User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
... ... @@ -182,15 +182,14 @@
182 182  
183 183  Example parse in TTNv3
184 184  
185 -[[image:image-20230508151932-1.png]]
188 +[[image:1675144504430-490.png]]
186 186  
190 +**Sensor Model**: For LHT65N-PIR, this value is 0x1A
187 187  
188 -(% style="color:blue" %)**Sensor Model**(%%): For LHT65N-PIR, this value is 0x1A
192 +**Firmware Version**: 0x0100, Means: v1.0.0 version
189 189  
190 -(% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
194 +**Frequency Band**:
191 191  
192 -(% style="color:blue" %)**Frequency Band**:
193 -
194 194  *0x01: EU868
195 195  
196 196  *0x02: US915
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219 219  
220 220  *0x0e: MA869
221 221  
222 -(% style="color:blue" %)**Sub-Band**:
224 +**Sub-Band**:
223 223  
224 -AU915 and US915: value 0x00 ~~ 0x08
226 +AU915 and US915:value 0x00 ~~ 0x08
225 225  
226 226  CN470: value 0x0B ~~ 0x0C
227 227  
228 228  Other Bands: Always 0x00
229 229  
230 -(% style="color:blue" %)**Battery Info**:
232 +**Battery Info**:
231 231  
232 232  Check the battery voltage.
233 233  
... ... @@ -244,17 +244,17 @@
244 244  After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
245 245  
246 246  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:390px" %)
247 -|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)(((
249 +|=(% style="width: 60px;background-color:#D9E2F3" %)(((
248 248  **Size(bytes)**
249 -)))|=(% style="width: 30px;background-color:#D9E2F3;color:#0070C0" %)(((
251 +)))|=(% style="width: 30px;background-color:#D9E2F3" %)(((
250 250  **2**
251 -)))|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)(((
253 +)))|=(% style="width: 100px;background-color:#D9E2F3" %)(((
252 252  **2**
253 -)))|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)(((
255 +)))|=(% style="width: 100px;background-color:#D9E2F3" %)(((
254 254  **2**
255 -)))|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
257 +)))|=(% style="width: 50px;background-color:#D9E2F3" %)(((
256 256  **1**
257 -)))|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
259 +)))|=(% style="width: 50px;background-color:#D9E2F3" %)(((
258 258  **4**
259 259  )))
260 260  |(% style="width:97px" %)(((
... ... @@ -310,6 +310,7 @@
310 310  11(b): Good (BAT >= 2.65v)
311 311  )))|(% style="width:152px" %)Actually BAT voltage
312 312  
315 +
313 313  [[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"]]
314 314  
315 315  
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336 336  
337 337  === 2.5.5 Ext value ===
338 338  
339 -==== 2.5.5.1 Ext~=0x0E, PIR Sensor ====
342 +==== 2.5.5.1 Ext~=0x0A, PIR Sensor ====
340 340  
344 +[[image:image-20221224161634-2.png||height="138" width="851"]]
341 341  
342 -[[image:ext=14.png||alt="image-20221224161634-2.png"]]
343 343  
344 -
345 345  ==== 2.5.5.2 Ext Value ====
346 346  
347 -
348 348  There are 4 bytes in Ext Value field.
349 349  
350 350  Bit0 of byte 8th shows if this uplink is generate by PIR activity.
351 351  
352 352  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:393px" %)
353 -|=(% style="width: 107px; background-color:#D9E2F3;color:#0070C0" %)(((
354 +|=(% style="width: 106px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)(((
354 354  **The 8^^th^^ byte**
355 -)))|=(% style="width: 73px; background-color:#D9E2F3;color:#0070C0" %)(((
356 +)))|=(% style="width: 71px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)(((
356 356  **Bit 1~~7**
357 -)))|=(% style="width: 213px; background-color:#D9E2F3;color:#0070C0" %)(((
358 +)))|=(% style="width: 211px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)(((
358 358  **Bit 0**
359 359  )))
360 360  |(% style="width:106px" %)(((
... ... @@ -364,12 +364,14 @@
364 364  )))|(% style="width:211px" %)(((
365 365  (((
366 366  0: Normal Uplink
368 +
367 367  1: Uplink by activity detected
368 368  )))
369 369  )))
370 370  
371 -(% style="color:red" %)**Note**:** Uplink by activity is disable by default.**
373 +(% style="color:red" %)**Note**:** Uplink by activity is disable by default.**
372 372  
375 +
373 373  The 9^^th^^ ~~ 11^^st^^  byte: Movement Detect Count.
374 374  
375 375  0x00 E5 09 : Total detect 58633 activity since end node start.
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377 377  
378 378  == 2.6 Show data on Datacake ==
379 379  
380 -
381 381  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:
382 382  
383 383  (% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
... ... @@ -415,14 +415,13 @@
415 415  
416 416  In a normal working state:
417 417  
418 -* For each uplink, the (% style="color:blue" %)**BLUE LED**(%%) or (% style="color:red" %)**RED LED**(%%) will blink once.
419 -(% style="color:blue" %)**BLUE LED**(%%) when external sensor is connected.
420 -* (% style="color:red" %)**RED LED**(%%) when external sensor is not connected
421 -* 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
422 422  
423 423  == 2.8 installation ==
424 424  
425 -
426 426  ~1. Don't install LHT65N-PIR outdoor or place where will get wet.
427 427  
428 428  2. Towards the PIR probe to the place where need to monitor activity. Below is the detect beam.
... ... @@ -431,17 +431,12 @@
431 431  
432 432  [[image:image-20230411135341-1.png||height="450" width="456"]]
433 433  
435 +**Notice: PIR can only detect motion activity, not to use to detect static people case.**
434 434  
435 -(% style="color:red" %)**Notice: PIR can only detect motion activity, not to use to detect static people case.**
436 -
437 437  * 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.
438 -
439 439  * 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.
440 -
441 441  * 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.
442 -
443 443  * 4. Between the detection range of PIR Motion detector, there is should be less objects.  Many objects may reduce the sensitive of detection range.
444 -
445 445  * 5. Do not install more than one (2 or above) Wireless PIR in the same detection space (like at the same room).
446 446  
447 447  = 3. Sensors and Accessories =
... ... @@ -452,7 +452,7 @@
452 452  [[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"]]
453 453  
454 454  
455 -**1m long breakout cable for LHT65N-PIR. Features:**
451 +**1m long breakout cable for LHT65N-E5. Features:**
456 456  
457 457  * (((
458 458  Use for AT Command
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471 471  
472 472  LHT65N-PIR supports below configure method:
473 473  
474 -* AT Command via UART Connection : See [[FAQ>>||anchor="H7.FAQ"]].
475 -
470 +* AT Command via UART Connection : See [[FAQ>>path:#H7.FAQ]].
476 476  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>url:http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
477 477  
478 478  == 4.2 General Commands ==
... ... @@ -499,13 +499,12 @@
499 499  
500 500  Feature: Change LoRaWAN End Node Transmit Interval.
501 501  
497 +
502 502  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
503 503  
504 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:501px" %)
505 -|(% style="background-color:#d9e2f3; color:#0070c0; width:155px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:166px" %)**Function**|(% style="background-color:#d9e2f3; color:#0070c0; width:180px" %)**Response**
506 -|(% style="width:155px" %)AT+TDC?|(% style="width:162px" %)Show current transmit Interval|(% style="width:177px" %)30000 OK the interval is 30000ms = 30s
507 -|(% style="width:155px" %)AT+TDC=60000|(% style="width:162px" %)Set Transmit Interval|(% style="width:177px" %)OK Set transmit interval to 60000ms = 60 seconds
500 +[[image:image-20220523150701-2.png||_mstalt="427453"]]
508 508  
502 +
509 509  (% style="color:#4f81bd" %)**Downlink Payload: 0x01**
510 510  
511 511  Format: Command Code (0x01) followed by 3 bytes time value.
... ... @@ -518,7 +518,6 @@
518 518  
519 519  === 4.3.2 Get Device Status ===
520 520  
521 -
522 522  Send a LoRaWAN downlink to ask device send Alarm settings.
523 523  
524 524  * (% style="color:#4f81bd" %)**Downlink Payload**(%%)**:  **0x26 01
... ... @@ -531,22 +531,27 @@
531 531  
532 532  Feature: Set device password, max 9 digits
533 533  
534 -(% style="color:#4f81bd" %)**AT Command: AT+PWORD**
535 535  
536 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:372px" %)
537 -|(% 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**
538 -|(% style="width:155px" %)AT+PWORD=?|(% style="width:124px" %)Show password|(% style="width:86px" %)(((
539 -123456
528 +(% style="color:#4f81bd" %)**AT Command: AT+EXT**
540 540  
541 -OK
530 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
531 +|Command Example|Function|Response
532 +|AT+EXT=?|Get or Set external sensor model|(((
533 +5
534 +
535 +OK
542 542  )))
543 -|(% style="width:155px" %)AT+PWORD=999999|(% style="width:124px" %)Set password|(% style="width:86px" %)OK
537 +|AT+EXT=5|(% colspan="2" %)Set external sensor mode to 5
544 544  
545 -(% style="color:#4f81bd" %)**Downlink Command:**
539 +(% style="color:#4f81bd" %)**Downlink Command:0xA2**
546 546  
547 -No downlink command for this feature.
548 548  
542 +Total bytes: 2 bytes
549 549  
544 +**Example:**
545 +
546 +* 0xA205: Set external sensor type to E5
547 +
550 550  === 4.3.4 Set to sleep mode ===
551 551  
552 552  
... ... @@ -553,18 +553,12 @@
553 553  Feature: Set device to sleep mode
554 554  
555 555  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
556 -
557 557  * **AT+Sleep=1** :  Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
558 558  
559 559  (% style="color:#4f81bd" %)**AT Command: AT+SLEEP**
560 560  
561 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:513px" %)
562 -|(% 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**
563 -|(% style="width:155px" %)AT+SLEEP|(% style="width:139px" %)Set to sleep mode|(% style="width:213px" %)(((
564 -Clear all stored sensor data…
558 +[[image:image-20220523151218-7.png||_mstalt="430703"]]
565 565  
566 -OK
567 -)))
568 568  
569 569  (% style="color:#4f81bd" %)**Downlink Command:**
570 570  
... ... @@ -572,14 +572,12 @@
572 572  
573 573  === 4.3.5 Set UOA (Uplink on Activity) ===
574 574  
575 -
576 576  Feature: Enable / Disable Uplink on Activity
577 577  
578 578  * **AT+UOA=0**  : Disable UoA
579 -
580 580  * **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.
581 581  
582 -(% 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.**
572 +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.
583 583  
584 584  (% style="color:#4f81bd" %)**AT Command: AT+UOA**
585 585  
... ... @@ -589,7 +589,6 @@
589 589  
590 590  = 5. Battery & Power Consumption =
591 591  
592 -
593 593  LHT65N-PIR use **CR17450** battery pack. See below link for detail information about the battery info and how to replace.
594 594  
595 595  [[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
... ... @@ -597,9 +597,8 @@
597 597  
598 598  = 6. OTA firmware update =
599 599  
589 +User can change firmware S31x-LB to:
600 600  
601 -User can change firmware LHT65N-PIR to:
602 -
603 603  * Change Frequency band/ region.
604 604  * Update with new features.
605 605  * Fix bugs.
... ... @@ -616,7 +616,7 @@
616 616  == 7.1 How to use AT Command? ==
617 617  
618 618  
619 -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.
607 +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.
620 620  
621 621  
622 622  [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615153355-1.png||_mstalt="430222"]]
... ... @@ -626,11 +626,12 @@
626 626  [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@1655802313617-381.png||_mstalt="293917"]]
627 627  
628 628  
629 -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.
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-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.
630 630  
631 631  [[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"]]
632 632  
633 633  
622 +
634 634  == 7.2 Where to use AT commands and Downlink commands ==
635 635  
636 636  
... ... @@ -672,7 +672,6 @@
672 672  
673 673  == 7.3 How to change the uplink interval？ ==
674 674  
675 -
676 676  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);"]]
677 677  
678 678  [[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"]]
... ... @@ -680,7 +680,6 @@
680 680  
681 681  == 7.4 How to use TTL-USB to connect PC to upgrade firmware? ==
682 682  
683 -
684 684  [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615153355-1.png||_mstalt="430222"]]
685 685  
686 686  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
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