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Last modified by Xiaoling on 2023/07/18 10:12
From version 185.1
edited by Bei Jinggeng
on 2022/06/28 15:12
Change comment: There is no comment for this version
To version 198.2
edited by Xiaoling
on 2022/09/06 14:22
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20220613162008-1.png||_mstalt="428142" height="579" width="379"]]
2 +[[image:image-20220613162008-1.png||_mstalt="428142" height="510" width="334"]]
3 3  
4 4  
5 5  
... ... @@ -16,6 +16,7 @@
16 16  
17 17  = 1. Introduction =
18 18  
19 +
19 19  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
20 20  
21 21  
... ... @@ -44,8 +44,10 @@
44 44  )))
45 45  
46 46  
48 +
47 47  == 1.2 Features ==
48 48  
51 +
49 49  * Wall mountable
50 50  * LoRaWAN v1.0.3 Class A protocol
51 51  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
... ... @@ -56,13 +56,13 @@
56 56  * Built-in Temperature & Humidity sensor
57 57  * Optional External Sensors
58 58  * Tri-color LED to indicate working status
59 -* Datalog feature
62 +* Datalog feature (Max 3328 records)
60 60  
61 61  
62 62  == 1.3 Specification ==
63 63  
64 64  
65 -**Built-in Temperature Sensor:**
68 +(% style="color:#037691" %)**Built-in Temperature Sensor:**
66 66  
67 67  * Resolution: 0.01 °C
68 68  * Accuracy Tolerance : Typ ±0.3 °C
... ... @@ -69,7 +69,7 @@
69 69  * Long Term Drift: < 0.02 °C/yr
70 70  * Operating Range: -40 ~~ 85 °C
71 71  
72 -**Built-in Humidity Sensor:**
75 +(% style="color:#037691" %)**Built-in Humidity Sensor:**
73 73  
74 74  * Resolution: 0.04 %RH
75 75  * Accuracy Tolerance : Typ ±3 %RH
... ... @@ -76,7 +76,7 @@
76 76  * Long Term Drift: < 0.02 °C/yr
77 77  * Operating Range: 0 ~~ 96 %RH
78 78  
79 -**External Temperature Sensor:**
82 +(% style="color:#037691" %)**External Temperature Sensor:**
80 80  
81 81  * Resolution: 0.0625 °C
82 82  * ±0.5°C accuracy from -10°C to +85°C
... ... @@ -86,8 +86,10 @@
86 86  
87 87  = 2. Connect LHT65N to IoT Server =
88 88  
92 +
89 89  == 2.1 How does LHT65N work? ==
90 90  
95 +
91 91  (((
92 92  LHT65N is configured as LoRaWAN OTAA Class A mode by default. Each LHT65N is shipped with a worldwide unique set of OTAA keys. To use LHT65N in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N.
93 93  )))
... ... @@ -97,8 +97,10 @@
97 97  )))
98 98  
99 99  
105 +
100 100  == 2.2 How to Activate LHT65N? ==
101 101  
108 +
102 102  (((
103 103  The LHT65N has two working modes:
104 104  )))
... ... @@ -123,6 +123,7 @@
123 123  
124 124  == 2.3 Example to join LoRaWAN network ==
125 125  
133 +
126 126  (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
127 127  This section shows an example of how to join the TTN V3 LoRaWAN IoT server. Use with other LoRaWAN IoT servers is of a similar procedure.
128 128  
... ... @@ -138,6 +138,7 @@
138 138  
139 139  === 2.3.1 Step 1: Create Device n TTN ===
140 140  
149 +
141 141  (((
142 142  Create a device in TTN V3 with the OTAA keys from LHT65N.
143 143  )))
... ... @@ -162,9 +162,10 @@
162 162  [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
163 163  
164 164  
165 -Note: LHT65N use same payload as LHT65.
166 166  
175 +(% style="color:red" %)**Note: LHT65N use same payload as LHT65.**
167 167  
177 +
168 168  [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
169 169  
170 170  
... ... @@ -178,6 +178,7 @@
178 178  
179 179  === 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
180 180  
191 +
181 181  (((
182 182  Use ACT button to activate LHT65N and it will auto-join to the TTN V3 network. After join success, it will start to upload sensor data to TTN V3 and user can see in the panel.
183 183  )))
... ... @@ -189,6 +189,7 @@
189 189  
190 190  == 2.4 Uplink Payload ==
191 191  
203 +
192 192  (((
193 193  The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% _mstvisible="3" style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
194 194  )))
... ... @@ -263,10 +263,13 @@
263 263  
264 264  * The First 6 bytes: has fix meanings for every LHT65N.
265 265  * The 7th byte (EXT #): defines the external sensor model.
266 -* The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.)
278 +* The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won't be these four bytes.)
267 267  
280 +
281 +
268 268  === 2.4.1 Decoder in TTN V3 ===
269 269  
284 +
270 270  When the uplink payload arrives TTNv3, it shows HEX format and not friendly to read. We can add LHT65N decoder in TTNv3 for friendly reading.
271 271  
272 272  Below is the position to put the decoder and LHT65N decoder can be download from here:
... ... @@ -282,6 +282,7 @@
282 282  
283 283  === 2.4.2 BAT-Battery Info ===
284 284  
300 +
285 285  These two bytes of BAT include the battery state and the actually voltage
286 286  
287 287  [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
... ... @@ -295,24 +295,34 @@
295 295  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
296 296  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
297 297  
314 +
315 +
298 298  === 2.4.3 Built-in Temperature ===
299 299  
318 +
300 300  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
301 301  
302 302  * Temperature:  0x0ABB/100=27.47℃
303 303  
323 +
304 304  [[image:image-20220522235639-3.png||_mstalt="432120" _mstvisible="3"]]
305 305  
306 306  * Temperature:  (0xF5C6-65536)/100=-26.18℃
307 307  
328 +
329 +
308 308  === 2.4.4 Built-in Humidity ===
309 309  
332 +
310 310  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
311 311  
312 312  * Humidity:    0x025C/10=60.4%
313 313  
337 +
338 +
314 314  === 2.4.5 Ext # ===
315 315  
341 +
316 316  Bytes for External Sensor:
317 317  
318 318  [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
... ... @@ -321,6 +321,7 @@
321 321  
322 322  === 2.4.6 Ext value ===
323 323  
350 +
324 324  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
325 325  
326 326  
... ... @@ -344,6 +344,7 @@
344 344  
345 345  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
346 346  
374 +
347 347  (((
348 348  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:
349 349  )))
... ... @@ -457,14 +457,20 @@
457 457  
458 458  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
459 459  
460 -[[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
488 +(% border="1" cellspacing="8" style="background-color:#ffffcc; color:green; width:520px" %)
489 +|(% style="width:60px" %)**Bits**|(% style="width:90px" %)**7**|(% style="width:100px" %)**6**|(% style="width:90px" %)**5**|(% style="width:100px" %)**4**|(% style="width:60px" %)**[3:0]**
490 +|(% style="width:96px" %)**Status&Ext**|(% style="width:124px" %)None-ACK Flag|(% style="width:146px" %)Poll Message FLAG|(% style="width:109px" %)Sync time OK|(% style="width:143px" %)Unix Time Request|(% style="width:106px" %)Ext: 0b(1001)
461 461  
462 -* Poll Message Flag:  1: This message is a poll message reply, 0: means this is a normal uplink.
463 -* Sync time OK:  1: Set time ok，0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
464 -* Unix Time Request:  1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this)
492 +* (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
493 +* (% style="color:blue" %)**Sync time OK**: (%%) 1: Set time ok，0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
494 +* (% style="color:blue" %)**Unix Time Request**:(%%)  1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this)
465 465  
496 +
497 +
498 +
466 466  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
467 467  
501 +
468 468  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
469 469  
470 470  be used to power the external ADC sensor; user can control the power on time for this
... ... @@ -471,7 +471,7 @@
471 471  
472 472  sensor by setting:
473 473  
474 -AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
508 +AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)**Time to power this sensor, from 0 ~~ 65535ms**
475 475  
476 476  For example:
477 477  
... ... @@ -494,6 +494,7 @@
494 494  
495 495  When the voltage collected by ADC_IN1 is less than the minimum range, the minimum range will be used as the output; Similarly, when the collected voltage is greater than the maximum range, the maximum range will be used as the output.
496 496  
531 +
497 497  1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
498 498  
499 499  [[image:image-20220628151005-5.png]]
... ... @@ -509,8 +509,169 @@
509 509  [[image:image-20220628151143-7.png]]
510 510  
511 511  
547 +
548 +==== 2.4.6.4 Ext~=2 TMP117 Sensor （since v1.3） ====
549 +
550 +
551 +**Ext=2,Temperature Sensor(TMP117)：**
552 +
553 +[[image:image-20220906102307-7.png]]
554 +
555 +
556 +(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
557 +
558 +The external cable NE2 can be use for MOD4 and MOD8
559 +
560 +
561 +
562 +
563 +==== 2.4.6.5 Ext~=4 Interrupt Mode （since v1.3） ====
564 +
565 +
566 +(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
567 +
568 +
569 +(% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
570 +
571 +**Case 1: Door Sensor.** 3.3v Out for such sensor is just to detect Open/Close.
572 +
573 + In Open State, the power consumption is the same as if there is no probe
574 +
575 + In Close state, the power consumption will be 3uA higher than normal.
576 +
577 +[[image:image-20220906100852-1.png||height="205" width="377"]]
578 +
579 +
580 +Ext=4,Interrupt Sensor：
581 +
582 +(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
583 +|(% style="width:117px" %)(((
584 +AT+EXT=4,1
585 +)))|(% style="width:371px" %)(((
586 +Sent uplink packet in both rising and falling interrupt
587 +)))
588 +|(% style="width:117px" %)(((
589 +AT+EXT=4,2
590 +)))|(% style="width:371px" %)(((
591 +Sent uplink packet only in falling interrupt
592 +)))
593 +|(% style="width:117px" %)(((
594 +AT+EXT=4,3
595 +)))|(% style="width:371px" %)(((
596 +Sent uplink packet only in rising interrupt
597 +)))
598 +
599 +Trigger by falling edge:
600 +
601 +[[image:image-20220906101145-2.png]]
602 +
603 +
604 +Trigger by raising edge：
605 +
606 +[[image:image-20220906101145-3.png]]
607 +
608 +
609 +
610 +
611 +==== 2.4.6.6 Ext~=8 Counting Mode（since v1.3） ====
612 +
613 +
614 +(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
615 +
616 +
617 +(% style="color:blue" %)**Case 1**(%%):  Low power consumption Flow Sensor, such flow sensor has pulse output and the power consumption in uA level and can be powered by LHT65N.
618 +
619 +[[image:image-20220906101320-4.png||height="366" width="698"]]
620 +
621 +
622 +(% style="color:blue" %)**Case 2**(%%):  Normal Flow Sensor: Such flow sensor has higher power consumption and is not suitable to be powered by LHT65N. It is powered by external power and output <3.3v pulse
623 +
624 +[[image:image-20220906101320-5.png||height="353" width="696"]]
625 +
626 +Ext=8, Counting Sensor ( 4 bytes)：
627 +
628 +(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
629 +|(% style="width:138px" %)(((
630 +AT+EXT=8,0
631 +)))|(% style="width:240px" %)(((
632 +Count at falling interrupt
633 +)))
634 +|(% style="width:138px" %)(((
635 +AT+EXT=8,1
636 +)))|(% style="width:240px" %)(((
637 +Count at rising interrupt
638 +)))
639 +|(% style="width:138px" %)(((
640 +AT+SETCNT=60
641 +)))|(% style="width:240px" %)(((
642 +Sent current count to 60
643 +)))
644 +
645 +[[image:image-20220906101320-6.png]]
646 +
647 +
648 +(% style="color:blue" %)**A2 downlink Command：**
649 +
650 +A2 02:  Same as AT+EXT=2 (AT+EXT= second byte)
651 +
652 +A2 06 01 F4:  Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
653 +
654 +A2 04 02:  Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
655 +
656 +A2 08 01 00:  Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
657 +
658 +A2 08 02 00 00 00 3C:  Same as AT+ SETCNT=60  (AT+ SETCNT = 4th byte and 5th byte and 6th byte and 7th byte)
659 +
660 +
661 +(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
662 +
663 +
664 +(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
665 +
666 +(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
667 +
668 +0): Cancel
669 +
670 +1): Threshold alarm
671 +
672 +2): Fluctuation alarm
673 +
674 +
675 +(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
676 +
677 +(% style="color:red" %)**Note: When the collection time is less than 60 seconds and always exceeds the set alarm threshold, the sending interval will not be the collection time, but will be sent every 60 seconds.**
678 +
679 +
680 +(% style="color:#037691" %) **Parameter 3 and parameter 4:**
681 +
682 +1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
683 +
684 +Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
685 +
686 +
687 +2):  If Alarm Mode is set to 2: Parameter 3 is valid, which represents the difference between the currently collected temperature and the last uploaded temperature.
688 +
689 +Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
690 +
691 +If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
692 +
693 +
694 +(% style="color:blue" %)** Downlink:**
695 +
696 +0xA5 00 ~-~- AT+WMOD=0.
697 +
698 +0xA5 01 0A 11 94 29 04 ~-~- AT+WMOD=1,10,45,105  (AT+WMOD = second byte, third byte, fourth and fifth bytes divided by 100, sixth and seventh bytes divided by 100 )
699 +
700 +0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
701 +
702 +0xA5 FF ~-~- After the device receives it, upload the current alarm configuration (FPORT=8). Such as 01 0A 11 94 29 04 or 02 0A 02.
703 +
704 +
705 +
706 +
512 512  == 2.5 Show data on Datacake ==
513 513  
709 +
514 514  (((
515 515  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:
516 516  )))
... ... @@ -558,6 +558,7 @@
558 558  
559 559  == 2.6 Datalog Feature ==
560 560  
757 +
561 561  (((
562 562  Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, LHT65N will store the reading for future retrieving purposes. There are two ways for IoT servers to get datalog from LHT65N.
563 563  )))
... ... @@ -566,11 +566,17 @@
566 566  
567 567  === 2.6.1 Ways to get datalog via LoRaWAN ===
568 568  
766 +
569 569  There are two methods:
570 570  
571 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
572 -1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover.
769 +1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
770 +1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will mark these records with non-ack message and store the sensor data, and it will send all messages (10s interval) after the network recovery. note: a) LHT65N will do ack check for data records sending to make sure every data arrive server. b) LHT65N will send data in CONFIRMED Mode when PNACKMD=1, but it won't re-transmit the same packet , it will just mark it as NONE-ACK and resend after network is detected.
573 573  
772 +Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
773 +
774 +[[image:image-20220703111700-2.png||height="381" width="1119"]]
775 +
776 +
574 574  === 2.6.2 Unix TimeStamp ===
575 575  
576 576  
... ... @@ -593,6 +593,7 @@
593 593  
594 594  === 2.6.3 Set Device Time ===
595 595  
799 +
596 596  (((
597 597  There are two ways to set device's time:
598 598  )))
... ... @@ -610,7 +610,7 @@
610 610  )))
611 611  
612 612  (((
613 -(% style="color:red" %)Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn’t support. If server doesn’t support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.
817 +(% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.**
614 614  )))
615 615  
616 616  (((
... ... @@ -629,6 +629,7 @@
629 629  
630 630  === 2.6.4 Poll sensor value ===
631 631  
836 +
632 632  User can poll sensor value based on timestamps from the server. Below is the downlink command.
633 633  
634 634  [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
... ... @@ -646,6 +646,7 @@
646 646  
647 647  === 2.6.5 Datalog Uplink payload ===
648 648  
854 +
649 649  (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
650 650  The Datalog poll reply uplink will use below payload format.
651 651  
... ... @@ -652,6 +652,9 @@
652 652  (% _mstvisible="1" %)
653 653  (((
654 654  (% _mstvisible="2" %)
861 +
862 +
863 +(% _mstvisible="2" %)
655 655  (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
656 656  )))
657 657  
... ... @@ -914,7 +914,7 @@
914 914  (% _mstvisible="1" %)
915 915  (((
916 916  (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
917 - Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1126 + Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
918 918  )))
919 919  
920 920  (% _mstvisible="1" %)
... ... @@ -976,12 +976,15 @@
976 976  
977 977  == 2.7 Alarm Mode ==
978 978  
1188 +
979 979  (((
980 980  when the device is in alarm mode, it checks the built-in sensor temperature for a short time. if the temperature exceeds the preconfigured range, it sends an uplink immediately.
981 981  )))
982 982  
983 983  (((
984 -(% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
1194 +(% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
1195 +
1196 +
985 985  )))
986 986  
987 987  (((
... ... @@ -1011,10 +1011,25 @@
1011 1011  )))
1012 1012  )))
1013 1013  
1226 +(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
1014 1014  
1228 +Total bytes: 8 bytes
1015 1015  
1230 +**Example:**AA0100010001003C
1231 +
1232 +WMOD=01
1233 +
1234 +CITEMP=0001
1235 +
1236 +TEMPlow=0001
1237 +
1238 +TEMPhigh=003C
1239 +
1240 +
1241 +
1016 1016  == 2.8 LED Indicator ==
1017 1017  
1244 +
1018 1018  The LHT65 has a triple color LED which for easy showing different stage .
1019 1019  
1020 1020  While user press ACT button, the LED will work as per LED status with ACT button.
... ... @@ -1028,6 +1028,7 @@
1028 1028  
1029 1029  == 2.9 installation ==
1030 1030  
1258 +
1031 1031  (% _mstvisible="1" %)
1032 1032  [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1033 1033  
... ... @@ -1037,8 +1037,10 @@
1037 1037  
1038 1038  == 3.1 E2 Extension Cable ==
1039 1039  
1268 +
1040 1040  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1041 1041  
1271 +
1042 1042  **1m long breakout cable for LHT65N. Features:**
1043 1043  
1044 1044  * (((
... ... @@ -1055,6 +1055,9 @@
1055 1055  )))
1056 1056  * (((
1057 1057  Exposed All pins from the LHT65N Type-C connector.
1288 +
1289 +
1290 +
1058 1058  )))
1059 1059  
1060 1060  [[image:image-20220619092421-3.png||height="371" width="529"]]
... ... @@ -1078,6 +1078,7 @@
1078 1078  
1079 1079  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1080 1080  
1314 +
1081 1081  (((
1082 1082  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1083 1083  )))
... ... @@ -1122,10 +1122,13 @@
1122 1122  )))
1123 1123  
1124 1124  
1359 +
1125 1125  == 4.1 Set Transmit Interval Time ==
1126 1126  
1362 +
1127 1127  Feature: Change LoRaWAN End Node Transmit Interval.
1128 1128  
1365 +
1129 1129  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
1130 1130  
1131 1131  [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
... ... @@ -1143,8 +1143,10 @@
1143 1143  
1144 1144  == 4.2 Set External Sensor Mode ==
1145 1145  
1383 +
1146 1146  Feature: Change External Sensor Mode.
1147 1147  
1386 +
1148 1148  (% style="color:#4f81bd" %)**AT Command: AT+EXT**
1149 1149  
1150 1150  [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
... ... @@ -1164,6 +1164,7 @@
1164 1164  
1165 1165  == 4.3 Enable/Disable uplink Temperature probe ID ==
1166 1166  
1406 +
1167 1167  (((
1168 1168  Feature: If PID is enabled, device will send the temperature probe ID on:
1169 1169  )))
... ... @@ -1177,6 +1177,8 @@
1177 1177  
1178 1178  (((
1179 1179  PID is default set to disable (0)
1420 +
1421 +
1180 1180  )))
1181 1181  
1182 1182  (% style="color:#4f81bd" %)**AT Command:**
... ... @@ -1191,8 +1191,10 @@
1191 1191  
1192 1192  == 4.4 Set Password ==
1193 1193  
1436 +
1194 1194  Feature: Set device password, max 9 digits
1195 1195  
1439 +
1196 1196  (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1197 1197  
1198 1198  [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
... ... @@ -1206,8 +1206,10 @@
1206 1206  
1207 1207  == 4.5 Quit AT Command ==
1208 1208  
1453 +
1209 1209  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1210 1210  
1456 +
1211 1211  (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1212 1212  
1213 1213  [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
... ... @@ -1221,6 +1221,7 @@
1221 1221  
1222 1222  == 4.6 Set to sleep mode ==
1223 1223  
1470 +
1224 1224  Feature: Set device to sleep mode
1225 1225  
1226 1226  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
... ... @@ -1237,8 +1237,10 @@
1237 1237  
1238 1238  == 4.7 Set system time ==
1239 1239  
1487 +
1240 1240  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1241 1241  
1490 +
1242 1242  (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1243 1243  
1244 1244  [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
... ... @@ -1252,6 +1252,7 @@
1252 1252  
1253 1253  == 4.8 Set Time Sync Mode ==
1254 1254  
1504 +
1255 1255  (((
1256 1256  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1257 1257  )))
... ... @@ -1258,6 +1258,8 @@
1258 1258  
1259 1259  (((
1260 1260  SYNCMOD is set to 1 by default. If user want to set a different time from LoRaWAN server, user need to set this to 0.
1511 +
1512 +
1261 1261  )))
1262 1262  
1263 1263  (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
... ... @@ -1274,8 +1274,10 @@
1274 1274  
1275 1275  == 4.9 Set Time Sync Interval ==
1276 1276  
1529 +
1277 1277  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1278 1278  
1532 +
1279 1279  (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1280 1280  
1281 1281  [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
... ... @@ -1289,8 +1289,10 @@
1289 1289  
1290 1290  == 4.10 Print data entries base on page. ==
1291 1291  
1546 +
1292 1292  Feature: Print the sector data from start page to stop page (max is 416 pages).
1293 1293  
1549 +
1294 1294  (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1295 1295  
1296 1296  [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
... ... @@ -1304,8 +1304,10 @@
1304 1304  
1305 1305  == 4.11 Print last few data entries. ==
1306 1306  
1563 +
1307 1307  Feature: Print the last few data entries
1308 1308  
1566 +
1309 1309  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1310 1310  
1311 1311  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
... ... @@ -1319,6 +1319,7 @@
1319 1319  
1320 1320  == 4.12 Clear Flash Record ==
1321 1321  
1580 +
1322 1322  Feature: Clear flash storage for data log feature.
1323 1323  
1324 1324  
... ... @@ -1333,9 +1333,11 @@
1333 1333  
1334 1334  == 4.13 Auto Send None-ACK messages ==
1335 1335  
1595 +
1336 1336  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1337 1337  Feature: LHT65N will wait for ACK for each uplink, If LHT65N doesn't get ACK from the IoT server, it will consider the message doesn't arrive server and store it. LHT65N keeps sending messages in normal periodically. Once LHT65N gets ACK from a server, it will consider the network is ok and start to send the not-arrive message.
1338 1338  
1599 +
1339 1339  (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1340 1340  
1341 1341  (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
... ... @@ -1353,6 +1353,7 @@
1353 1353  
1354 1354  == 5.1 Battery Type ==
1355 1355  
1617 +
1356 1356  (((
1357 1357  (((
1358 1358  LHT65N is equipped with a 2400mAH Li-MnO2 (CR17505) battery . The battery is an un-rechargeable battery with low discharge rate targeting for up to 8~~10 years use. This type of battery is commonly used in IoT devices for long-term running, such as water meters.
... ... @@ -1373,8 +1373,10 @@
1373 1373  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1374 1374  
1375 1375  
1638 +
1376 1376  == 5.2 Replace Battery ==
1377 1377  
1641 +
1378 1378  LHT65N has two screws on the back, Unscrew them, and changing the battery inside is ok. The battery is a general CR17450 battery. Any brand should be ok.
1379 1379  
1380 1380  [[image:image-20220515075440-2.png||_mstalt="429546" _mstvisible="3" height="338" width="272"]][[image:image-20220515075625-3.png||_mstalt="431574" _mstvisible="3" height="193" width="257"]]
... ... @@ -1382,6 +1382,7 @@
1382 1382  
1383 1383  == 5.3 Battery Life Analyze ==
1384 1384  
1649 +
1385 1385  (((
1386 1386  Dragino battery-powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimated battery life:
1387 1387  [[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
... ... @@ -1399,8 +1399,10 @@
1399 1399  
1400 1400  = 6. FAQ =
1401 1401  
1667 +
1402 1402  == 6.1 How to use AT Command? ==
1403 1403  
1670 +
1404 1404  LHT65N 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.
1405 1405  
1406 1406  [[image:image-20220530085651-1.png||_mstalt="429949"]]
... ... @@ -1619,40 +1619,43 @@
1619 1619  AT+PID:  Get or set the PID
1620 1620  
1621 1621  
1889 +
1622 1622  == 6.2 Where to use AT commands and Downlink commands ==
1623 1623  
1624 -(% _msthash="506131" _msttexthash="14585714" %)
1625 -AT commands：
1626 1626  
1893 +**AT commands：**
1894 +
1627 1627  [[image:image-20220620153708-1.png||height="603" width="723"]]
1628 1628  
1629 -(% _msthash="506132" _msttexthash="337922" %)
1630 -Downlink commands:
1631 1631  
1898 +**Downlink commands:**
1632 1632  
1633 -(% _msthash="506133" _msttexthash="33046" %)
1634 -**TTN:**
1635 1635  
1901 +
1902 +(% style="color:blue" %)**TTN:**
1903 +
1636 1636  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1637 1637  
1638 1638  
1639 -(% _msthash="506134" _msttexthash="11113791" %)
1640 -**Helium：**
1641 1641  
1908 +(% style="color:blue" %)**Helium：**
1909 +
1642 1642  [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1643 1643  
1644 1644  
1645 -(% _msthash="506135" _msttexthash="4159844" %)
1646 -**Chirpstack:The downlink window will not be displayed until the network is accessed**
1647 1647  
1914 +(% style="color:blue" %)**Chirpstack: The downlink window will not be displayed until the network is accessed**
1915 +
1916 +
1648 1648  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1649 1649  
1919 +
1650 1650  [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1651 1651  
1652 1652  
1653 -(% _msthash="506136" _msttexthash="39286" %)
1654 -**Aws:**
1655 1655  
1924 +(% style="color:blue" %)**Aws:**
1925 +
1656 1656  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1657 1657  
1658 1658  
... ... @@ -1659,6 +1659,7 @@
1659 1659  
1660 1660  == 6.3 How to change the uplink interval？ ==
1661 1661  
1932 +
1662 1662  [[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/||_msthash="506137" _msttexthash="5712018"]]
1663 1663  
1664 1664  
... ... @@ -1665,6 +1665,7 @@
1665 1665  
1666 1666  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1667 1667  
1939 +
1668 1668  [[image:image-20220615153355-1.png]]
1669 1669  
1670 1670  [[image:1655802313617-381.png]]
... ... @@ -1721,13 +1721,16 @@
1721 1721  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1722 1722  
1723 1723  
1996 +
1724 1724  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1725 1725  
1999 +
1726 1726  [[image:image-20220623110706-1.png]]
1727 1727  
1728 1728  
1729 1729  [[image:image-20220623112117-4.png||height="459" width="343"]]
1730 1730  
2005 +
1731 1731  (((
1732 1732  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**(% 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.
1733 1733  )))
... ... @@ -1738,10 +1738,13 @@
1738 1738  [[image:image-20220615154519-3.png||height="672" width="807"]]
1739 1739  
1740 1740  
1741 -== 6.6 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1742 1742  
2017 +== 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
2018 +
2019 +
1743 1743  [[image:image-20220623110706-1.png]]
1744 1744  
2022 +
1745 1745  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1746 1746  
1747 1747  [[image:image-20220615170542-5.png]]
... ... @@ -1758,6 +1758,7 @@
1758 1758  (% _msthash="506146" _msttexthash="52173160" %)
1759 1759  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1760 1760  
2039 +
1761 1761  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1762 1762  
1763 1763  [[image:image-20220615171334-6.png]]
... ... @@ -1774,6 +1774,7 @@
1774 1774  Finally,restart reset device again
1775 1775  
1776 1776  
2056 +
1777 1777  = 7. Order Info =
1778 1778  
1779 1779  
... ... @@ -1816,10 +1816,12 @@
1816 1816  
1817 1817  = 9. Reference material =
1818 1818  
2099 +
1819 1819  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1820 1820  
1821 1821  = 10. FCC Warning =
1822 1822  
2104 +
1823 1823  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1824 1824  
1825 1825  (1) This device may not cause harmful interference；
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