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Last modified by Xiaoling on 2023/07/18 10:12
From version 189.2
edited by Xiaoling
on 2022/07/22 10:33
Change comment: There is no comment for this version
To version 202.1
edited by Edwin Chen
on 2022/10/06 19:27
Change comment: Uploaded new attachment "image-20221006192726-1.png", version {1}

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
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
... ... @@ -56,12 +56,14 @@
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  
64 +
65 +
61 61  == 1.3 Specification ==
62 62  
63 63  
64 -**Built-in Temperature Sensor:**
69 +(% style="color:#037691" %)**Built-in Temperature Sensor:**
65 65  
66 66  * Resolution: 0.01 °C
67 67  * Accuracy Tolerance : Typ ±0.3 °C
... ... @@ -68,7 +68,7 @@
68 68  * Long Term Drift: < 0.02 °C/yr
69 69  * Operating Range: -40 ~~ 85 °C
70 70  
71 -**Built-in Humidity Sensor:**
76 +(% style="color:#037691" %)**Built-in Humidity Sensor:**
72 72  
73 73  * Resolution: 0.04 %RH
74 74  * Accuracy Tolerance : Typ ±3 %RH
... ... @@ -75,7 +75,7 @@
75 75  * Long Term Drift: < 0.02 °C/yr
76 76  * Operating Range: 0 ~~ 96 %RH
77 77  
78 -**External Temperature Sensor:**
83 +(% style="color:#037691" %)**External Temperature Sensor:**
79 79  
80 80  * Resolution: 0.0625 °C
81 81  * ±0.5°C accuracy from -10°C to +85°C
... ... @@ -82,10 +82,14 @@
82 82  * ±2°C accuracy from -55°C to +125°C
83 83  * Operating Range: -55 °C ~~ 125 °C
84 84  
90 +
91 +
85 85  = 2. Connect LHT65N to IoT Server =
86 86  
94 +
87 87  == 2.1 How does LHT65N work? ==
88 88  
97 +
89 89  (((
90 90  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.
91 91  )))
... ... @@ -95,8 +95,10 @@
95 95  )))
96 96  
97 97  
107 +
98 98  == 2.2 How to Activate LHT65N? ==
99 99  
110 +
100 100  (((
101 101  The LHT65N has two working modes:
102 102  )))
... ... @@ -121,9 +121,11 @@
121 121  
122 122  == 2.3 Example to join LoRaWAN network ==
123 123  
135 +
124 124  (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
125 125  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.
126 126  
139 +
127 127  (% _mstvisible="1" class="wikigeneratedid" %)
128 128  [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
129 129  
... ... @@ -136,6 +136,7 @@
136 136  
137 137  === 2.3.1 Step 1: Create Device n TTN ===
138 138  
152 +
139 139  (((
140 140  Create a device in TTN V3 with the OTAA keys from LHT65N.
141 141  )))
... ... @@ -160,9 +160,10 @@
160 160  [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
161 161  
162 162  
163 -Note: LHT65N use same payload as LHT65.
164 164  
178 +(% style="color:red" %)**Note: LHT65N use same payload as LHT65.**
165 165  
180 +
166 166  [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
167 167  
168 168  
... ... @@ -176,6 +176,7 @@
176 176  
177 177  === 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
178 178  
194 +
179 179  (((
180 180  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.
181 181  )))
... ... @@ -187,6 +187,7 @@
187 187  
188 188  == 2.4 Uplink Payload ==
189 189  
206 +
190 190  (((
191 191  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.
192 192  )))
... ... @@ -261,10 +261,14 @@
261 261  
262 262  * The First 6 bytes: has fix meanings for every LHT65N.
263 263  * The 7th byte (EXT #): defines the external sensor model.
264 -* 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.)
281 +* 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.)
265 265  
283 +
284 +
285 +
266 266  === 2.4.1 Decoder in TTN V3 ===
267 267  
288 +
268 268  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.
269 269  
270 270  Below is the position to put the decoder and LHT65N decoder can be download from here:
... ... @@ -280,6 +280,7 @@
280 280  
281 281  === 2.4.2 BAT-Battery Info ===
282 282  
304 +
283 283  These two bytes of BAT include the battery state and the actually voltage
284 284  
285 285  [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
... ... @@ -293,8 +293,12 @@
293 293  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
294 294  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
295 295  
318 +
319 +
320 +
296 296  === 2.4.3 Built-in Temperature ===
297 297  
323 +
298 298  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
299 299  
300 300  * Temperature:  0x0ABB/100=27.47℃
... ... @@ -308,6 +308,7 @@
308 308  
309 309  === 2.4.4 Built-in Humidity ===
310 310  
337 +
311 311  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
312 312  
313 313  * Humidity:    0x025C/10=60.4%
... ... @@ -317,6 +317,7 @@
317 317  
318 318  === 2.4.5 Ext # ===
319 319  
347 +
320 320  Bytes for External Sensor:
321 321  
322 322  [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
... ... @@ -325,6 +325,7 @@
325 325  
326 326  === 2.4.6 Ext value ===
327 327  
356 +
328 328  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
329 329  
330 330  
... ... @@ -348,6 +348,7 @@
348 348  
349 349  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
350 350  
380 +
351 351  (((
352 352  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:
353 353  )))
... ... @@ -471,8 +471,10 @@
471 471  
472 472  
473 473  
504 +
474 474  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
475 475  
507 +
476 476  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
477 477  
478 478  be used to power the external ADC sensor; user can control the power on time for this
... ... @@ -479,7 +479,7 @@
479 479  
480 480  sensor by setting:
481 481  
482 -AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
514 +AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)**Time to power this sensor, from 0 ~~ 65535ms**
483 483  
484 484  For example:
485 485  
... ... @@ -502,6 +502,7 @@
502 502  
503 503  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.
504 504  
537 +
505 505  1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
506 506  
507 507  [[image:image-20220628151005-5.png]]
... ... @@ -518,8 +518,171 @@
518 518  
519 519  
520 520  
554 +==== 2.4.6.4 Ext~=2 TMP117 Sensor （Since Firmware v1.3） ====
555 +
556 +
557 +[[image:image-20220927095645-1.png||height="534" width="460"]]
558 +
559 +
560 +**Ext=2,Temperature Sensor(TMP117)：**
561 +
562 +[[image:image-20220906102307-7.png]]
563 +
564 +
565 +(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
566 +
567 +The external cable NE2 can be use for MOD4 and MOD8
568 +
569 +
570 +
571 +
572 +==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
573 +
574 +
575 +(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
576 +
577 +
578 +(% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
579 +
580 +**Case 1: Door Sensor.** 3.3v Out for such sensor is just to detect Open/Close.
581 +
582 + In Open State, the power consumption is the same as if there is no probe
583 +
584 + In Close state, the power consumption will be 3uA higher than normal.
585 +
586 +[[image:image-20220906100852-1.png||height="205" width="377"]]
587 +
588 +
589 +Ext=4,Interrupt Sensor：
590 +
591 +(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
592 +|(% style="width:117px" %)(((
593 +AT+EXT=4,1
594 +)))|(% style="width:371px" %)(((
595 +Sent uplink packet in both rising and falling interrupt
596 +)))
597 +|(% style="width:117px" %)(((
598 +AT+EXT=4,2
599 +)))|(% style="width:371px" %)(((
600 +Sent uplink packet only in falling interrupt
601 +)))
602 +|(% style="width:117px" %)(((
603 +AT+EXT=4,3
604 +)))|(% style="width:371px" %)(((
605 +Sent uplink packet only in rising interrupt
606 +)))
607 +
608 +Trigger by falling edge:
609 +
610 +[[image:image-20220906101145-2.png]]
611 +
612 +
613 +Trigger by raising edge：
614 +
615 +[[image:image-20220906101145-3.png]]
616 +
617 +
618 +
619 +
620 +==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
621 +
622 +
623 +(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
624 +
625 +
626 +(% 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.
627 +
628 +[[image:image-20220906101320-4.png||height="366" width="698"]]
629 +
630 +
631 +(% 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
632 +
633 +[[image:image-20220906101320-5.png||height="353" width="696"]]
634 +
635 +Ext=8, Counting Sensor ( 4 bytes)：
636 +
637 +(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
638 +|(% style="width:138px" %)(((
639 +AT+EXT=8,0
640 +)))|(% style="width:240px" %)(((
641 +Count at falling interrupt
642 +)))
643 +|(% style="width:138px" %)(((
644 +AT+EXT=8,1
645 +)))|(% style="width:240px" %)(((
646 +Count at rising interrupt
647 +)))
648 +|(% style="width:138px" %)(((
649 +AT+SETCNT=60
650 +)))|(% style="width:240px" %)(((
651 +Sent current count to 60
652 +)))
653 +
654 +[[image:image-20220906101320-6.png]]
655 +
656 +
657 +(% style="color:blue" %)**A2 downlink Command：**
658 +
659 +A2 02:  Same as AT+EXT=2 (AT+EXT= second byte)
660 +
661 +A2 06 01 F4:  Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
662 +
663 +A2 04 02:  Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
664 +
665 +A2 08 01 00:  Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
666 +
667 +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)
668 +
669 +
670 +(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
671 +
672 +
673 +(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
674 +
675 +(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
676 +
677 +0): Cancel
678 +
679 +1): Threshold alarm
680 +
681 +2): Fluctuation alarm
682 +
683 +
684 +(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
685 +
686 +(% 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.**
687 +
688 +
689 +(% style="color:#037691" %) **Parameter 3 and parameter 4:**
690 +
691 +1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
692 +
693 +Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
694 +
695 +
696 +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.
697 +
698 +Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
699 +
700 +If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
701 +
702 +
703 +(% style="color:blue" %)** Downlink:**
704 +
705 +0xA5 00 ~-~- AT+WMOD=0.
706 +
707 +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 )
708 +
709 +0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
710 +
711 +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.
712 +
713 +
714 +
715 +
521 521  == 2.5 Show data on Datacake ==
522 522  
718 +
523 523  (((
524 524  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:
525 525  )))
... ... @@ -567,6 +567,7 @@
567 567  
568 568  == 2.6 Datalog Feature ==
569 569  
766 +
570 570  (((
571 571  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.
572 572  )))
... ... @@ -575,13 +575,15 @@
575 575  
576 576  === 2.6.1 Ways to get datalog via LoRaWAN ===
577 577  
775 +
578 578  There are two methods:
579 579  
580 580  1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
581 -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 the network recovery.
779 +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.
582 582  
583 583  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
584 584  
783 +
585 585  [[image:image-20220703111700-2.png||height="381" width="1119"]]
586 586  
587 587  
... ... @@ -607,6 +607,7 @@
607 607  
608 608  === 2.6.3 Set Device Time ===
609 609  
809 +
610 610  (((
611 611  There are two ways to set device's time:
612 612  )))
... ... @@ -624,7 +624,7 @@
624 624  )))
625 625  
626 626  (((
627 -(% 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.
827 +(% 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.**
628 628  )))
629 629  
630 630  (((
... ... @@ -643,6 +643,7 @@
643 643  
644 644  === 2.6.4 Poll sensor value ===
645 645  
846 +
646 646  User can poll sensor value based on timestamps from the server. Below is the downlink command.
647 647  
648 648  [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
... ... @@ -660,6 +660,7 @@
660 660  
661 661  === 2.6.5 Datalog Uplink payload ===
662 662  
864 +
663 663  (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
664 664  The Datalog poll reply uplink will use below payload format.
665 665  
... ... @@ -666,6 +666,9 @@
666 666  (% _mstvisible="1" %)
667 667  (((
668 668  (% _mstvisible="2" %)
871 +
872 +
873 +(% _mstvisible="2" %)
669 669  (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
670 670  )))
671 671  
... ... @@ -928,7 +928,7 @@
928 928  (% _mstvisible="1" %)
929 929  (((
930 930  (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
931 - Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1136 + Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
932 932  )))
933 933  
934 934  (% _mstvisible="1" %)
... ... @@ -946,6 +946,7 @@
946 946  (% _mstvisible="1" %)
947 947  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
948 948  
1154 +
949 949  (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
950 950  (((
951 951  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
... ... @@ -990,12 +990,15 @@
990 990  
991 991  == 2.7 Alarm Mode ==
992 992  
1199 +
993 993  (((
994 994  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.
995 995  )))
996 996  
997 997  (((
998 -(% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
1205 +(% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
1206 +
1207 +
999 999  )))
1000 1000  
1001 1001  (((
... ... @@ -1040,8 +1040,10 @@
1040 1040  TEMPhigh=003C
1041 1041  
1042 1042  
1252 +
1043 1043  == 2.8 LED Indicator ==
1044 1044  
1255 +
1045 1045  The LHT65 has a triple color LED which for easy showing different stage .
1046 1046  
1047 1047  While user press ACT button, the LED will work as per LED status with ACT button.
... ... @@ -1053,8 +1053,12 @@
1053 1053  * RED LED when external sensor is not connected
1054 1054  * For each success downlink, the PURPLE LED will blink once
1055 1055  
1267 +
1268 +
1269 +
1056 1056  == 2.9 installation ==
1057 1057  
1272 +
1058 1058  (% _mstvisible="1" %)
1059 1059  [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1060 1060  
... ... @@ -1062,10 +1062,13 @@
1062 1062  
1063 1063  = 3. Sensors and Accessories =
1064 1064  
1280 +
1065 1065  == 3.1 E2 Extension Cable ==
1066 1066  
1283 +
1067 1067  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1068 1068  
1286 +
1069 1069  **1m long breakout cable for LHT65N. Features:**
1070 1070  
1071 1071  * (((
... ... @@ -1082,6 +1082,9 @@
1082 1082  )))
1083 1083  * (((
1084 1084  Exposed All pins from the LHT65N Type-C connector.
1303 +
1304 +
1305 +
1085 1085  )))
1086 1086  
1087 1087  [[image:image-20220619092421-3.png||height="371" width="529"]]
... ... @@ -1103,8 +1103,12 @@
1103 1103  * Operating Range: -40 ~~ 125 °C
1104 1104  * Working voltage 2.35v ~~ 5v
1105 1105  
1327 +
1328 +
1329 +
1106 1106  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1107 1107  
1332 +
1108 1108  (((
1109 1109  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1110 1110  )))
... ... @@ -1149,10 +1149,13 @@
1149 1149  )))
1150 1150  
1151 1151  
1377 +
1152 1152  == 4.1 Set Transmit Interval Time ==
1153 1153  
1380 +
1154 1154  Feature: Change LoRaWAN End Node Transmit Interval.
1155 1155  
1383 +
1156 1156  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
1157 1157  
1158 1158  [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
... ... @@ -1168,10 +1168,15 @@
1168 1168  
1169 1169  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1170 1170  
1399 +
1400 +
1401 +
1171 1171  == 4.2 Set External Sensor Mode ==
1172 1172  
1404 +
1173 1173  Feature: Change External Sensor Mode.
1174 1174  
1407 +
1175 1175  (% style="color:#4f81bd" %)**AT Command: AT+EXT**
1176 1176  
1177 1177  [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
... ... @@ -1189,8 +1189,12 @@
1189 1189  
1190 1190  * 0xA20702003c: Same as AT+SETCNT=60
1191 1191  
1425 +
1426 +
1427 +
1192 1192  == 4.3 Enable/Disable uplink Temperature probe ID ==
1193 1193  
1430 +
1194 1194  (((
1195 1195  Feature: If PID is enabled, device will send the temperature probe ID on:
1196 1196  )))
... ... @@ -1204,6 +1204,8 @@
1204 1204  
1205 1205  (((
1206 1206  PID is default set to disable (0)
1444 +
1445 +
1207 1207  )))
1208 1208  
1209 1209  (% style="color:#4f81bd" %)**AT Command:**
... ... @@ -1216,10 +1216,15 @@
1216 1216  * **0xA800**  **~-~->** AT+PID=0
1217 1217  * **0xA801**     **~-~->** AT+PID=1
1218 1218  
1458 +
1459 +
1460 +
1219 1219  == 4.4 Set Password ==
1220 1220  
1463 +
1221 1221  Feature: Set device password, max 9 digits
1222 1222  
1466 +
1223 1223  (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1224 1224  
1225 1225  [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
... ... @@ -1233,8 +1233,10 @@
1233 1233  
1234 1234  == 4.5 Quit AT Command ==
1235 1235  
1480 +
1236 1236  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1237 1237  
1483 +
1238 1238  (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1239 1239  
1240 1240  [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
... ... @@ -1248,6 +1248,7 @@
1248 1248  
1249 1249  == 4.6 Set to sleep mode ==
1250 1250  
1497 +
1251 1251  Feature: Set device to sleep mode
1252 1252  
1253 1253  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
... ... @@ -1262,10 +1262,15 @@
1262 1262  
1263 1263  * There is no downlink command to set to Sleep mode.
1264 1264  
1512 +
1513 +
1514 +
1265 1265  == 4.7 Set system time ==
1266 1266  
1517 +
1267 1267  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1268 1268  
1520 +
1269 1269  (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1270 1270  
1271 1271  [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
... ... @@ -1273,12 +1273,13 @@
1273 1273  
1274 1274  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1275 1275  
1276 -0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1528 +0x306007806000  ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1277 1277  
1278 1278  
1279 1279  
1280 1280  == 4.8 Set Time Sync Mode ==
1281 1281  
1534 +
1282 1282  (((
1283 1283  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1284 1284  )))
... ... @@ -1285,6 +1285,8 @@
1285 1285  
1286 1286  (((
1287 1287  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.
1541 +
1542 +
1288 1288  )))
1289 1289  
1290 1290  (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
... ... @@ -1294,15 +1294,17 @@
1294 1294  
1295 1295  (% style="color:#4f81bd" %)**Downlink Command:**
1296 1296  
1297 -0x28 01 ~/~/ Same As AT+SYNCMOD=1
1298 -0x28 00 ~/~/ Same As AT+SYNCMOD=0
1552 +0x28 01  ~/~/  Same As AT+SYNCMOD=1
1553 +0x28 00  ~/~/  Same As AT+SYNCMOD=0
1299 1299  
1300 1300  
1301 1301  
1302 1302  == 4.9 Set Time Sync Interval ==
1303 1303  
1559 +
1304 1304  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1305 1305  
1562 +
1306 1306  (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1307 1307  
1308 1308  [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
... ... @@ -1316,8 +1316,10 @@
1316 1316  
1317 1317  == 4.10 Print data entries base on page. ==
1318 1318  
1576 +
1319 1319  Feature: Print the sector data from start page to stop page (max is 416 pages).
1320 1320  
1579 +
1321 1321  (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1322 1322  
1323 1323  [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
... ... @@ -1331,8 +1331,10 @@
1331 1331  
1332 1332  == 4.11 Print last few data entries. ==
1333 1333  
1593 +
1334 1334  Feature: Print the last few data entries
1335 1335  
1596 +
1336 1336  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1337 1337  
1338 1338  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
... ... @@ -1346,6 +1346,7 @@
1346 1346  
1347 1347  == 4.12 Clear Flash Record ==
1348 1348  
1610 +
1349 1349  Feature: Clear flash storage for data log feature.
1350 1350  
1351 1351  
... ... @@ -1358,11 +1358,16 @@
1358 1358  
1359 1359  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1360 1360  
1623 +
1624 +
1625 +
1361 1361  == 4.13 Auto Send None-ACK messages ==
1362 1362  
1628 +
1363 1363  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1364 1364  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.
1365 1365  
1632 +
1366 1366  (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1367 1367  
1368 1368  (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
... ... @@ -1376,10 +1376,15 @@
1376 1376  
1377 1377  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1378 1378  
1646 +
1647 +
1648 +
1379 1379  = 5. Battery & How to replace =
1380 1380  
1651 +
1381 1381  == 5.1 Battery Type ==
1382 1382  
1654 +
1383 1383  (((
1384 1384  (((
1385 1385  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.
... ... @@ -1400,8 +1400,10 @@
1400 1400  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1401 1401  
1402 1402  
1675 +
1403 1403  == 5.2 Replace Battery ==
1404 1404  
1678 +
1405 1405  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.
1406 1406  
1407 1407  [[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"]]
... ... @@ -1409,6 +1409,7 @@
1409 1409  
1410 1410  == 5.3 Battery Life Analyze ==
1411 1411  
1686 +
1412 1412  (((
1413 1413  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:
1414 1414  [[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]]
... ... @@ -1426,8 +1426,10 @@
1426 1426  
1427 1427  = 6. FAQ =
1428 1428  
1704 +
1429 1429  == 6.1 How to use AT Command? ==
1430 1430  
1707 +
1431 1431  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.
1432 1432  
1433 1433  [[image:image-20220530085651-1.png||_mstalt="429949"]]
... ... @@ -1646,40 +1646,43 @@
1646 1646  AT+PID:  Get or set the PID
1647 1647  
1648 1648  
1926 +
1649 1649  == 6.2 Where to use AT commands and Downlink commands ==
1650 1650  
1651 -(% _msthash="506131" _msttexthash="14585714" %)
1652 -AT commands：
1653 1653  
1930 +**AT commands：**
1931 +
1654 1654  [[image:image-20220620153708-1.png||height="603" width="723"]]
1655 1655  
1656 -(% _msthash="506132" _msttexthash="337922" %)
1657 -Downlink commands:
1658 1658  
1935 +**Downlink commands:**
1659 1659  
1660 -(% _msthash="506133" _msttexthash="33046" %)
1661 -**TTN:**
1662 1662  
1938 +
1939 +(% style="color:blue" %)**TTN:**
1940 +
1663 1663  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1664 1664  
1665 1665  
1666 -(% _msthash="506134" _msttexthash="11113791" %)
1667 -**Helium：**
1668 1668  
1945 +(% style="color:blue" %)**Helium：**
1946 +
1669 1669  [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1670 1670  
1671 1671  
1672 -(% _msthash="506135" _msttexthash="4159844" %)
1673 -**Chirpstack:The downlink window will not be displayed until the network is accessed**
1674 1674  
1951 +(% style="color:blue" %)**Chirpstack: The downlink window will not be displayed until the network is accessed**
1952 +
1953 +
1675 1675  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1676 1676  
1956 +
1677 1677  [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1678 1678  
1679 1679  
1680 -(% _msthash="506136" _msttexthash="39286" %)
1681 -**Aws:**
1682 1682  
1961 +(% style="color:blue" %)**Aws:**
1962 +
1683 1683  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1684 1684  
1685 1685  
... ... @@ -1686,12 +1686,14 @@
1686 1686  
1687 1687  == 6.3 How to change the uplink interval？ ==
1688 1688  
1689 -[[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"]]
1690 1690  
1970 +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/||_msthash="506137" _msttexthash="5712018" style="background-color: rgb(255, 255, 255);"]]
1691 1691  
1692 1692  
1973 +
1693 1693  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1694 1694  
1976 +
1695 1695  [[image:image-20220615153355-1.png]]
1696 1696  
1697 1697  [[image:1655802313617-381.png]]
... ... @@ -1719,6 +1719,7 @@
1719 1719  [[image:image-20220615170542-5.png]]
1720 1720  
1721 1721  
2004 +
1722 1722  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1723 1723  
1724 1724  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -1732,6 +1732,7 @@
1732 1732  [[image:image-20220621170938-2.png]]
1733 1733  
1734 1734  
2018 +
1735 1735  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1736 1736  
1737 1737  [[image:image-20220615171334-6.png]]
... ... @@ -1748,13 +1748,16 @@
1748 1748  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1749 1749  
1750 1750  
2035 +
1751 1751  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1752 1752  
2038 +
1753 1753  [[image:image-20220623110706-1.png]]
1754 1754  
1755 1755  
1756 1756  [[image:image-20220623112117-4.png||height="459" width="343"]]
1757 1757  
2044 +
1758 1758  (((
1759 1759  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.
1760 1760  )))
... ... @@ -1765,15 +1765,19 @@
1765 1765  [[image:image-20220615154519-3.png||height="672" width="807"]]
1766 1766  
1767 1767  
2055 +
1768 1768  == 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1769 1769  
2058 +
1770 1770  [[image:image-20220623110706-1.png]]
1771 1771  
2061 +
1772 1772  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1773 1773  
1774 1774  [[image:image-20220615170542-5.png]]
1775 1775  
1776 1776  
2067 +
1777 1777  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1778 1778  
1779 1779  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -1785,6 +1785,8 @@
1785 1785  (% _msthash="506146" _msttexthash="52173160" %)
1786 1786  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1787 1787  
2079 +
2080 +
1788 1788  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1789 1789  
1790 1790  [[image:image-20220615171334-6.png]]
... ... @@ -1801,6 +1801,7 @@
1801 1801  Finally,restart reset device again
1802 1802  
1803 1803  
2097 +
1804 1804  = 7. Order Info =
1805 1805  
1806 1806  
... ... @@ -1808,20 +1808,13 @@
1808 1808  
1809 1809  (% style="color:#4f81bd" %)**XX **(%%): The default frequency band
1810 1810  
1811 -(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1812 -
2105 +* (% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1813 1813  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1814 -
1815 1815  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1816 -
1817 1817  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1818 -
1819 1819  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1820 -
1821 1821  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1822 -
1823 1823  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1824 -
1825 1825  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1826 1826  
1827 1827  (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
... ... @@ -1828,6 +1828,9 @@
1828 1828  
1829 1829  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1830 1830  
2118 +
2119 +
2120 +
1831 1831  = 8. Packing Info =
1832 1832  
1833 1833  
... ... @@ -1841,14 +1841,25 @@
1841 1841  * Device Size:  10 x 10 x 3.5 cm
1842 1842  * Device Weight: 120.5g
1843 1843  
2134 +
2135 +
2136 +
1844 1844  = 9. Reference material =
1845 1845  
2139 +
1846 1846  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1847 1847  
2142 +
2143 +
2144 +
1848 1848  = 10. FCC Warning =
1849 1849  
2147 +
1850 1850  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1851 1851  
1852 1852  (1) This device may not cause harmful interference；
1853 1853  
1854 1854  (2) this device must accept any interference received, including interference that may cause undesired operation.
2153 +
2154 +
2155 +
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1 +17.3 KB
Content