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Last modified by Xiaoling on 2025/06/10 09:17
From version 45.1
edited by Edwin Chen
on 2023/05/24 16:01
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

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Author
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
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
... ... @@ -45,7 +45,6 @@
45 45  * External PIR Sensor
46 46  * Tri-color LED to indicate working status(% style="display:none" %)
47 47  
48 -
49 49  == 1.3 Specification ==
50 50  
51 51  
... ... @@ -63,18 +63,19 @@
63 63  * Long Term Drift: < 0.02 °C/yr
64 64  * Operating Range: 0 ~~ 96 %RH
65 65  
66 -(% style="color:#037691" %)**External PIR Sensor:**
72 +(% class="mark" style="color:#037691" %)**External PIR Sensor:**
67 67  
68 -* Base on RDB223 Sensor
69 -* Cable Length : 1 meter
70 -* 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 +*
71 71  
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.
... ... @@ -82,7 +82,6 @@
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.
... ... @@ -95,6 +95,7 @@
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" %)(((
... ... @@ -106,7 +106,6 @@
106 106  )))
107 107  |(% 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.
108 108  
109 -
110 110  == 2.3 Example to join LoRaWAN network ==
111 111  
112 112  
... ... @@ -128,7 +128,7 @@
128 128  
129 129  Each LHT65N-PIR is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
130 130  
131 -[[image:image-20230426083533-1.png||height="286" width="616"]]
137 +[[image:image-20230426083533-1.png]]
132 132  
133 133  
134 134  User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
... ... @@ -179,9 +179,8 @@
179 179  
180 180  Example parse in TTNv3
181 181  
182 -[[image:image-20230508151932-1.png]]
188 +[[image:1675144504430-490.png]]
183 183  
184 -
185 185  **Sensor Model**: For LHT65N-PIR, this value is 0x1A
186 186  
187 187  **Firmware Version**: 0x0100, Means: v1.0.0 version
... ... @@ -277,7 +277,6 @@
277 277  * The 8^^th^^ byte: Alarm Bit (if this uplink is from periodically or movement)
278 278  * The 9^^th^^ ~~ 11^^st^^  byte: Movement Detect Count.
279 279  
280 -
281 281  === 2.5.1 Decoder in TTN V3 ===
282 282  
283 283  
... ... @@ -308,6 +308,7 @@
308 308  11(b): Good (BAT >= 2.65v)
309 309  )))|(% style="width:152px" %)Actually BAT voltage
310 310  
315 +
311 311  [[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"]]
312 312  
313 313  
... ... @@ -316,7 +316,6 @@
316 316  * BAT status=(0xcba4>>14)&0xFF=11(B)，very good
317 317  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
318 318  
319 -
320 320  === 2.5.3 Built-in Temperature ===
321 321  
322 322  [[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"]]
... ... @@ -327,7 +327,6 @@
327 327  
328 328  * Temperature:  (0xF5C6-65536)/100=-26.18℃
329 329  
330 -
331 331  === 2.5.4 Built-in Humidity ===
332 332  
333 333  [[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"]]
... ... @@ -334,18 +334,15 @@
334 334  
335 335  * Humidity:    0x025C/10=60.4%
336 336  
337 -
338 338  === 2.5.5 Ext value ===
339 339  
340 -==== 2.5.5.1 Ext~=0x0E, PIR Sensor ====
342 +==== 2.5.5.1 Ext~=0x0A, PIR Sensor ====
341 341  
344 +[[image:image-20221224161634-2.png||height="138" width="851"]]
342 342  
343 -[[image:ext=14.png||alt="image-20221224161634-2.png"]]
344 344  
345 -
346 346  ==== 2.5.5.2 Ext Value ====
347 347  
348 -
349 349  There are 4 bytes in Ext Value field.
350 350  
351 351  Bit0 of byte 8th shows if this uplink is generate by PIR activity.
... ... @@ -365,12 +365,14 @@
365 365  )))|(% style="width:211px" %)(((
366 366  (((
367 367  0: Normal Uplink
368 +
368 368  1: Uplink by activity detected
369 369  )))
370 370  )))
371 371  
372 -(% style="color:red" %)**Note**:** Uplink by activity is disable by default.**
373 +(% style="color:red" %)**Note**:** Uplink by activity is disable by default.**
373 373  
375 +
374 374  The 9^^th^^ ~~ 11^^st^^  byte: Movement Detect Count.
375 375  
376 376  0x00 E5 09 : Total detect 58633 activity since end node start.
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378 378  
379 379  == 2.6 Show data on Datacake ==
380 380  
381 -
382 382  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:
383 383  
384 384  (% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
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416 416  
417 417  In a normal working state:
418 418  
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
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
423 423  
424 -
425 425  == 2.8 installation ==
426 426  
427 -
428 428  ~1. Don't install LHT65N-PIR outdoor or place where will get wet.
429 429  
430 430  2. Towards the PIR probe to the place where need to monitor activity. Below is the detect beam.
... ... @@ -433,20 +433,14 @@
433 433  
434 434  [[image:image-20230411135341-1.png||height="450" width="456"]]
435 435  
435 +**Notice: PIR can only detect motion activity, not to use to detect static people case.**
436 436  
437 -(% style="color:red" %)**Notice: PIR can only detect motion activity, not to use to detect static people case.**
438 -
439 439  * 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 -
441 441  * 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 -
443 443  * 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 -
445 445  * 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 -
447 447  * 5. Do not install more than one (2 or above) Wireless PIR in the same detection space (like at the same room).
448 448  
449 -
450 450  = 3. Sensors and Accessories =
451 451  
452 452  == 3.1 E2 Extension Cable ==
... ... @@ -455,7 +455,7 @@
455 455  [[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"]]
456 456  
457 457  
458 -**1m long breakout cable for LHT65N-PIR. Features:**
451 +**1m long breakout cable for LHT65N-E5. Features:**
459 459  
460 460  * (((
461 461  Use for AT Command
... ... @@ -474,11 +474,9 @@
474 474  
475 475  LHT65N-PIR supports below configure method:
476 476  
477 -* AT Command via UART Connection : See [[FAQ>>||anchor="H7.FAQ"]].
478 -
470 +* AT Command via UART Connection : See [[FAQ>>path:#H7.FAQ]].
479 479  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>url:http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
480 480  
481 -
482 482  == 4.2 General Commands ==
483 483  
484 484  
... ... @@ -503,13 +503,12 @@
503 503  
504 504  Feature: Change LoRaWAN End Node Transmit Interval.
505 505  
497 +
506 506  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
507 507  
508 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:501px" %)
509 -|(% 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**
510 -|(% style="width:155px" %)AT+TDC?|(% style="width:162px" %)Show current transmit Interval|(% style="width:177px" %)30000 OK the interval is 30000ms = 30s
511 -|(% 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"]]
512 512  
502 +
513 513  (% style="color:#4f81bd" %)**Downlink Payload: 0x01**
514 514  
515 515  Format: Command Code (0x01) followed by 3 bytes time value.
... ... @@ -520,10 +520,8 @@
520 520  
521 521  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
522 522  
523 -
524 524  === 4.3.2 Get Device Status ===
525 525  
526 -
527 527  Send a LoRaWAN downlink to ask device send Alarm settings.
528 528  
529 529  * (% style="color:#4f81bd" %)**Downlink Payload**(%%)**:  **0x26 01
... ... @@ -536,22 +536,27 @@
536 536  
537 537  Feature: Set device password, max 9 digits
538 538  
539 -(% style="color:#4f81bd" %)**AT Command: AT+PWORD**
540 540  
541 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:372px" %)
542 -|(% 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**
543 -|(% style="width:155px" %)AT+PWORD=?|(% style="width:124px" %)Show password|(% style="width:86px" %)(((
544 -123456
528 +(% style="color:#4f81bd" %)**AT Command: AT+EXT**
545 545  
546 -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
547 547  )))
548 -|(% 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
549 549  
550 -(% style="color:#4f81bd" %)**Downlink Command:**
539 +(% style="color:#4f81bd" %)**Downlink Command:0xA2**
551 551  
552 -No downlink command for this feature.
553 553  
542 +Total bytes: 2 bytes
554 554  
544 +**Example:**
545 +
546 +* 0xA205: Set external sensor type to E5
547 +
555 555  === 4.3.4 Set to sleep mode ===
556 556  
557 557  
... ... @@ -558,34 +558,25 @@
558 558  Feature: Set device to sleep mode
559 559  
560 560  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
561 -
562 562  * **AT+Sleep=1** :  Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
563 563  
564 564  (% style="color:#4f81bd" %)**AT Command: AT+SLEEP**
565 565  
566 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:513px" %)
567 -|(% 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**
568 -|(% style="width:155px" %)AT+SLEEP|(% style="width:139px" %)Set to sleep mode|(% style="width:213px" %)(((
569 -Clear all stored sensor data…
558 +[[image:image-20220523151218-7.png||_mstalt="430703"]]
570 570  
571 -OK
572 -)))
573 573  
574 574  (% style="color:#4f81bd" %)**Downlink Command:**
575 575  
576 576  * There is no downlink command to set to Sleep mode.
577 577  
578 -
579 579  === 4.3.5 Set UOA (Uplink on Activity) ===
580 580  
581 -
582 582  Feature: Enable / Disable Uplink on Activity
583 583  
584 584  * **AT+UOA=0**  : Disable UoA
585 -
586 586  * **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.
587 587  
588 -(% 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.
589 589  
590 590  (% style="color:#4f81bd" %)**AT Command: AT+UOA**
591 591  
... ... @@ -595,7 +595,6 @@
595 595  
596 596  = 5. Battery & Power Consumption =
597 597  
598 -
599 599  LHT65N-PIR use **CR17450** battery pack. See below link for detail information about the battery info and how to replace.
600 600  
601 601  [[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
... ... @@ -603,9 +603,8 @@
603 603  
604 604  = 6. OTA firmware update =
605 605  
589 +User can change firmware S31x-LB to:
606 606  
607 -User can change firmware LHT65N-PIR to:
608 -
609 609  * Change Frequency band/ region.
610 610  * Update with new features.
611 611  * Fix bugs.
... ... @@ -617,13 +617,12 @@
617 617  * (Recommanded way) OTA firmware update via wireless: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]
618 618  * 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]]**.
619 619  
620 -
621 621  = 7. FAQ =
622 622  
623 623  == 7.1 How to use AT Command? ==
624 624  
625 625  
626 -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.
627 627  
628 628  
629 629  [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615153355-1.png||_mstalt="430222"]]
... ... @@ -633,11 +633,12 @@
633 633  [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@1655802313617-381.png||_mstalt="293917"]]
634 634  
635 635  
636 -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.
637 637  
638 638  [[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"]]
639 639  
640 640  
622 +
641 641  == 7.2 Where to use AT commands and Downlink commands ==
642 642  
643 643  
... ... @@ -679,7 +679,6 @@
679 679  
680 680  == 7.3 How to change the uplink interval？ ==
681 681  
682 -
683 683  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);"]]
684 684  
685 685  [[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"]]
... ... @@ -687,7 +687,6 @@
687 687  
688 688  == 7.4 How to use TTL-USB to connect PC to upgrade firmware? ==
689 689  
690 -
691 691  [[image:Main.User Manual for LoRaWAN End Nodes.LHT65N-E5 LoRaWAN Temperature_Humidity & Illuminance Sensor User Manual.WebHome@image-20220615153355-1.png||_mstalt="430222"]]
692 692  
693 693  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
... ... @@ -743,7 +743,6 @@
743 743  * (% style="color:#4f81bd" %)** **(% _mstmutation="1" style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
744 744  * (% style="color:#4f81bd" %)** **(% _mstmutation="1" style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
745 745  
746 -
747 747  = 9. Packing Info =
748 748  
749 749  
... ... @@ -756,13 +756,11 @@
756 756  * Device Size:  10 x 10 x 3.5 mm
757 757  * Device Weight: 120.5g
758 758  
759 -
760 760  = 10. Reference material =
761 761  
762 762  
763 763  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0]]
764 764  
765 -
766 766  = 11. FCC Warning =
767 767  
768 768  
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