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Last modified by Xiaoling on 2023/07/18 10:12
From version 189.1
edited by Bei Jinggeng
on 2022/07/06 13:48
Change comment: There is no comment for this version
To version 201.1
edited by Bei Jinggeng
on 2022/09/27 13:34
Change comment: There is no comment for this version

Summary

Details

Page properties
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
... ... @@ -56,14 +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 -
63 63  == 1.3 Specification ==
64 64  
65 65  
66 -**Built-in Temperature Sensor:**
68 +(% style="color:#037691" %)**Built-in Temperature Sensor:**
67 67  
68 68  * Resolution: 0.01 °C
69 69  * Accuracy Tolerance : Typ ±0.3 °C
... ... @@ -70,7 +70,7 @@
70 70  * Long Term Drift: < 0.02 °C/yr
71 71  * Operating Range: -40 ~~ 85 °C
72 72  
73 -**Built-in Humidity Sensor:**
75 +(% style="color:#037691" %)**Built-in Humidity Sensor:**
74 74  
75 75  * Resolution: 0.04 %RH
76 76  * Accuracy Tolerance : Typ ±3 %RH
... ... @@ -77,7 +77,7 @@
77 77  * Long Term Drift: < 0.02 °C/yr
78 78  * Operating Range: 0 ~~ 96 %RH
79 79  
80 -**External Temperature Sensor:**
82 +(% style="color:#037691" %)**External Temperature Sensor:**
81 81  
82 82  * Resolution: 0.0625 °C
83 83  * ±0.5°C accuracy from -10°C to +85°C
... ... @@ -85,11 +85,12 @@
85 85  * Operating Range: -55 °C ~~ 125 °C
86 86  
87 87  
88 -
89 89  = 2. Connect LHT65N to IoT Server =
90 90  
92 +
91 91  == 2.1 How does LHT65N work? ==
92 92  
95 +
93 93  (((
94 94  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.
95 95  )))
... ... @@ -99,8 +99,10 @@
99 99  )))
100 100  
101 101  
105 +
102 102  == 2.2 How to Activate LHT65N? ==
103 103  
108 +
104 104  (((
105 105  The LHT65N has two working modes:
106 106  )))
... ... @@ -125,6 +125,7 @@
125 125  
126 126  == 2.3 Example to join LoRaWAN network ==
127 127  
133 +
128 128  (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
129 129  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.
130 130  
... ... @@ -140,6 +140,7 @@
140 140  
141 141  === 2.3.1 Step 1: Create Device n TTN ===
142 142  
149 +
143 143  (((
144 144  Create a device in TTN V3 with the OTAA keys from LHT65N.
145 145  )))
... ... @@ -164,9 +164,10 @@
164 164  [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
165 165  
166 166  
167 -Note: LHT65N use same payload as LHT65.
168 168  
175 +(% style="color:red" %)**Note: LHT65N use same payload as LHT65.**
169 169  
177 +
170 170  [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
171 171  
172 172  
... ... @@ -180,6 +180,7 @@
180 180  
181 181  === 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
182 182  
191 +
183 183  (((
184 184  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.
185 185  )))
... ... @@ -191,6 +191,7 @@
191 191  
192 192  == 2.4 Uplink Payload ==
193 193  
203 +
194 194  (((
195 195  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.
196 196  )))
... ... @@ -265,12 +265,11 @@
265 265  
266 266  * The First 6 bytes: has fix meanings for every LHT65N.
267 267  * The 7th byte (EXT #): defines the external sensor model.
268 -* 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.)
269 269  
270 -
271 -
272 272  === 2.4.1 Decoder in TTN V3 ===
273 273  
282 +
274 274  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.
275 275  
276 276  Below is the position to put the decoder and LHT65N decoder can be download from here:
... ... @@ -286,6 +286,7 @@
286 286  
287 287  === 2.4.2 BAT-Battery Info ===
288 288  
298 +
289 289  These two bytes of BAT include the battery state and the actually voltage
290 290  
291 291  [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
... ... @@ -299,10 +299,9 @@
299 299  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
300 300  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
301 301  
302 -
303 -
304 304  === 2.4.3 Built-in Temperature ===
305 305  
314 +
306 306  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
307 307  
308 308  * Temperature:  0x0ABB/100=27.47℃
... ... @@ -311,18 +311,16 @@
311 311  
312 312  * Temperature:  (0xF5C6-65536)/100=-26.18℃
313 313  
314 -
315 -
316 316  === 2.4.4 Built-in Humidity ===
317 317  
325 +
318 318  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
319 319  
320 320  * Humidity:    0x025C/10=60.4%
321 321  
322 -
323 -
324 324  === 2.4.5 Ext # ===
325 325  
332 +
326 326  Bytes for External Sensor:
327 327  
328 328  [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
... ... @@ -331,6 +331,7 @@
331 331  
332 332  === 2.4.6 Ext value ===
333 333  
341 +
334 334  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
335 335  
336 336  
... ... @@ -354,6 +354,7 @@
354 354  
355 355  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
356 356  
365 +
357 357  (((
358 358  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:
359 359  )))
... ... @@ -467,16 +467,18 @@
467 467  
468 468  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
469 469  
470 -[[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
479 +(% border="1" cellspacing="8" style="background-color:#ffffcc; color:green; width:520px" %)
480 +|(% 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]**
481 +|(% 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)
471 471  
472 -* Poll Message Flag:  1: This message is a poll message reply, 0: means this is a normal uplink.
473 -* 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.
474 -* 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)
483 +* (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
484 +* (% 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.
485 +* (% 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)
475 475  
476 476  
477 -
478 478  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
479 479  
490 +
480 480  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
481 481  
482 482  be used to power the external ADC sensor; user can control the power on time for this
... ... @@ -483,7 +483,7 @@
483 483  
484 484  sensor by setting:
485 485  
486 -AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
497 +AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)**Time to power this sensor, from 0 ~~ 65535ms**
487 487  
488 488  For example:
489 489  
... ... @@ -506,6 +506,7 @@
506 506  
507 507  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.
508 508  
520 +
509 509  1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
510 510  
511 511  [[image:image-20220628151005-5.png]]
... ... @@ -522,8 +522,169 @@
522 522  
523 523  
524 524  
537 +==== 2.4.6.4 Ext~=2 TMP117 Sensor （Since Firmware v1.3） ====
538 +
539 +[[image:image-20220927095645-1.png||height="534" width="460"]]
540 +
541 +**Ext=2,Temperature Sensor(TMP117)：**
542 +
543 +[[image:image-20220906102307-7.png]]
544 +
545 +
546 +(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
547 +
548 +The external cable NE2 can be use for MOD4 and MOD8
549 +
550 +
551 +
552 +
553 +==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
554 +
555 +
556 +(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
557 +
558 +
559 +(% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
560 +
561 +**Case 1: Door Sensor.** 3.3v Out for such sensor is just to detect Open/Close.
562 +
563 + In Open State, the power consumption is the same as if there is no probe
564 +
565 + In Close state, the power consumption will be 3uA higher than normal.
566 +
567 +[[image:image-20220906100852-1.png||height="205" width="377"]]
568 +
569 +
570 +Ext=4,Interrupt Sensor：
571 +
572 +(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
573 +|(% style="width:117px" %)(((
574 +AT+EXT=4,1
575 +)))|(% style="width:371px" %)(((
576 +Sent uplink packet in both rising and falling interrupt
577 +)))
578 +|(% style="width:117px" %)(((
579 +AT+EXT=4,2
580 +)))|(% style="width:371px" %)(((
581 +Sent uplink packet only in falling interrupt
582 +)))
583 +|(% style="width:117px" %)(((
584 +AT+EXT=4,3
585 +)))|(% style="width:371px" %)(((
586 +Sent uplink packet only in rising interrupt
587 +)))
588 +
589 +Trigger by falling edge:
590 +
591 +[[image:image-20220906101145-2.png]]
592 +
593 +
594 +Trigger by raising edge：
595 +
596 +[[image:image-20220906101145-3.png]]
597 +
598 +
599 +
600 +
601 +==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
602 +
603 +
604 +(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
605 +
606 +
607 +(% 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.
608 +
609 +[[image:image-20220906101320-4.png||height="366" width="698"]]
610 +
611 +
612 +(% 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
613 +
614 +[[image:image-20220906101320-5.png||height="353" width="696"]]
615 +
616 +Ext=8, Counting Sensor ( 4 bytes)：
617 +
618 +(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
619 +|(% style="width:138px" %)(((
620 +AT+EXT=8,0
621 +)))|(% style="width:240px" %)(((
622 +Count at falling interrupt
623 +)))
624 +|(% style="width:138px" %)(((
625 +AT+EXT=8,1
626 +)))|(% style="width:240px" %)(((
627 +Count at rising interrupt
628 +)))
629 +|(% style="width:138px" %)(((
630 +AT+SETCNT=60
631 +)))|(% style="width:240px" %)(((
632 +Sent current count to 60
633 +)))
634 +
635 +[[image:image-20220906101320-6.png]]
636 +
637 +
638 +(% style="color:blue" %)**A2 downlink Command：**
639 +
640 +A2 02:  Same as AT+EXT=2 (AT+EXT= second byte)
641 +
642 +A2 06 01 F4:  Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
643 +
644 +A2 04 02:  Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
645 +
646 +A2 08 01 00:  Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
647 +
648 +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)
649 +
650 +
651 +(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
652 +
653 +
654 +(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
655 +
656 +(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
657 +
658 +0): Cancel
659 +
660 +1): Threshold alarm
661 +
662 +2): Fluctuation alarm
663 +
664 +
665 +(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
666 +
667 +(% 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.**
668 +
669 +
670 +(% style="color:#037691" %) **Parameter 3 and parameter 4:**
671 +
672 +1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
673 +
674 +Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
675 +
676 +
677 +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.
678 +
679 +Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
680 +
681 +If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
682 +
683 +
684 +(% style="color:blue" %)** Downlink:**
685 +
686 +0xA5 00 ~-~- AT+WMOD=0.
687 +
688 +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 )
689 +
690 +0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
691 +
692 +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.
693 +
694 +
695 +
696 +
525 525  == 2.5 Show data on Datacake ==
526 526  
699 +
527 527  (((
528 528  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:
529 529  )))
... ... @@ -571,6 +571,7 @@
571 571  
572 572  == 2.6 Datalog Feature ==
573 573  
747 +
574 574  (((
575 575  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.
576 576  )))
... ... @@ -579,10 +579,11 @@
579 579  
580 580  === 2.6.1 Ways to get datalog via LoRaWAN ===
581 581  
756 +
582 582  There are two methods:
583 583  
584 584  1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
585 -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.
760 +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.
586 586  
587 587  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
588 588  
... ... @@ -611,6 +611,7 @@
611 611  
612 612  === 2.6.3 Set Device Time ===
613 613  
789 +
614 614  (((
615 615  There are two ways to set device's time:
616 616  )))
... ... @@ -628,7 +628,7 @@
628 628  )))
629 629  
630 630  (((
631 -(% 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.
807 +(% 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.**
632 632  )))
633 633  
634 634  (((
... ... @@ -647,6 +647,7 @@
647 647  
648 648  === 2.6.4 Poll sensor value ===
649 649  
826 +
650 650  User can poll sensor value based on timestamps from the server. Below is the downlink command.
651 651  
652 652  [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
... ... @@ -664,6 +664,7 @@
664 664  
665 665  === 2.6.5 Datalog Uplink payload ===
666 666  
844 +
667 667  (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
668 668  The Datalog poll reply uplink will use below payload format.
669 669  
... ... @@ -670,6 +670,9 @@
670 670  (% _mstvisible="1" %)
671 671  (((
672 672  (% _mstvisible="2" %)
851 +
852 +
853 +(% _mstvisible="2" %)
673 673  (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
674 674  )))
675 675  
... ... @@ -932,7 +932,7 @@
932 932  (% _mstvisible="1" %)
933 933  (((
934 934  (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
935 - Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1116 + Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
936 936  )))
937 937  
938 938  (% _mstvisible="1" %)
... ... @@ -994,12 +994,15 @@
994 994  
995 995  == 2.7 Alarm Mode ==
996 996  
1178 +
997 997  (((
998 998  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.
999 999  )))
1000 1000  
1001 1001  (((
1002 -(% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
1184 +(% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
1185 +
1186 +
1003 1003  )))
1004 1004  
1005 1005  (((
... ... @@ -1044,8 +1044,10 @@
1044 1044  TEMPhigh=003C
1045 1045  
1046 1046  
1231 +
1047 1047  == 2.8 LED Indicator ==
1048 1048  
1234 +
1049 1049  The LHT65 has a triple color LED which for easy showing different stage .
1050 1050  
1051 1051  While user press ACT button, the LED will work as per LED status with ACT button.
... ... @@ -1058,9 +1058,9 @@
1058 1058  * For each success downlink, the PURPLE LED will blink once
1059 1059  
1060 1060  
1061 -
1062 1062  == 2.9 installation ==
1063 1063  
1249 +
1064 1064  (% _mstvisible="1" %)
1065 1065  [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1066 1066  
... ... @@ -1068,10 +1068,13 @@
1068 1068  
1069 1069  = 3. Sensors and Accessories =
1070 1070  
1257 +
1071 1071  == 3.1 E2 Extension Cable ==
1072 1072  
1260 +
1073 1073  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1074 1074  
1263 +
1075 1075  **1m long breakout cable for LHT65N. Features:**
1076 1076  
1077 1077  * (((
... ... @@ -1088,6 +1088,9 @@
1088 1088  )))
1089 1089  * (((
1090 1090  Exposed All pins from the LHT65N Type-C connector.
1280 +
1281 +
1282 +
1091 1091  )))
1092 1092  
1093 1093  [[image:image-20220619092421-3.png||height="371" width="529"]]
... ... @@ -1109,10 +1109,9 @@
1109 1109  * Operating Range: -40 ~~ 125 °C
1110 1110  * Working voltage 2.35v ~~ 5v
1111 1111  
1112 -
1113 -
1114 1114  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1115 1115  
1306 +
1116 1116  (((
1117 1117  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1118 1118  )))
... ... @@ -1157,10 +1157,13 @@
1157 1157  )))
1158 1158  
1159 1159  
1351 +
1160 1160  == 4.1 Set Transmit Interval Time ==
1161 1161  
1354 +
1162 1162  Feature: Change LoRaWAN End Node Transmit Interval.
1163 1163  
1357 +
1164 1164  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
1165 1165  
1166 1166  [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
... ... @@ -1177,11 +1177,12 @@
1177 1177  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1178 1178  
1179 1179  
1180 -
1181 1181  == 4.2 Set External Sensor Mode ==
1182 1182  
1376 +
1183 1183  Feature: Change External Sensor Mode.
1184 1184  
1379 +
1185 1185  (% style="color:#4f81bd" %)**AT Command: AT+EXT**
1186 1186  
1187 1187  [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
... ... @@ -1200,9 +1200,9 @@
1200 1200  * 0xA20702003c: Same as AT+SETCNT=60
1201 1201  
1202 1202  
1203 -
1204 1204  == 4.3 Enable/Disable uplink Temperature probe ID ==
1205 1205  
1400 +
1206 1206  (((
1207 1207  Feature: If PID is enabled, device will send the temperature probe ID on:
1208 1208  )))
... ... @@ -1216,6 +1216,8 @@
1216 1216  
1217 1217  (((
1218 1218  PID is default set to disable (0)
1414 +
1415 +
1219 1219  )))
1220 1220  
1221 1221  (% style="color:#4f81bd" %)**AT Command:**
... ... @@ -1229,11 +1229,12 @@
1229 1229  * **0xA801**     **~-~->** AT+PID=1
1230 1230  
1231 1231  
1232 -
1233 1233  == 4.4 Set Password ==
1234 1234  
1431 +
1235 1235  Feature: Set device password, max 9 digits
1236 1236  
1434 +
1237 1237  (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1238 1238  
1239 1239  [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
... ... @@ -1247,8 +1247,10 @@
1247 1247  
1248 1248  == 4.5 Quit AT Command ==
1249 1249  
1448 +
1250 1250  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1251 1251  
1451 +
1252 1252  (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1253 1253  
1254 1254  [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
... ... @@ -1262,6 +1262,7 @@
1262 1262  
1263 1263  == 4.6 Set to sleep mode ==
1264 1264  
1465 +
1265 1265  Feature: Set device to sleep mode
1266 1266  
1267 1267  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
... ... @@ -1277,11 +1277,12 @@
1277 1277  * There is no downlink command to set to Sleep mode.
1278 1278  
1279 1279  
1280 -
1281 1281  == 4.7 Set system time ==
1282 1282  
1483 +
1283 1283  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1284 1284  
1486 +
1285 1285  (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1286 1286  
1287 1287  [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
... ... @@ -1295,6 +1295,7 @@
1295 1295  
1296 1296  == 4.8 Set Time Sync Mode ==
1297 1297  
1500 +
1298 1298  (((
1299 1299  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1300 1300  )))
... ... @@ -1301,6 +1301,8 @@
1301 1301  
1302 1302  (((
1303 1303  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.
1507 +
1508 +
1304 1304  )))
1305 1305  
1306 1306  (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
... ... @@ -1317,8 +1317,10 @@
1317 1317  
1318 1318  == 4.9 Set Time Sync Interval ==
1319 1319  
1525 +
1320 1320  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1321 1321  
1528 +
1322 1322  (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1323 1323  
1324 1324  [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
... ... @@ -1332,8 +1332,10 @@
1332 1332  
1333 1333  == 4.10 Print data entries base on page. ==
1334 1334  
1542 +
1335 1335  Feature: Print the sector data from start page to stop page (max is 416 pages).
1336 1336  
1545 +
1337 1337  (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1338 1338  
1339 1339  [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
... ... @@ -1347,8 +1347,10 @@
1347 1347  
1348 1348  == 4.11 Print last few data entries. ==
1349 1349  
1559 +
1350 1350  Feature: Print the last few data entries
1351 1351  
1562 +
1352 1352  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1353 1353  
1354 1354  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
... ... @@ -1362,6 +1362,7 @@
1362 1362  
1363 1363  == 4.12 Clear Flash Record ==
1364 1364  
1576 +
1365 1365  Feature: Clear flash storage for data log feature.
1366 1366  
1367 1367  
... ... @@ -1375,12 +1375,13 @@
1375 1375  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1376 1376  
1377 1377  
1378 -
1379 1379  == 4.13 Auto Send None-ACK messages ==
1380 1380  
1592 +
1381 1381  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1382 1382  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.
1383 1383  
1596 +
1384 1384  (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1385 1385  
1386 1386  (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
... ... @@ -1395,11 +1395,12 @@
1395 1395  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1396 1396  
1397 1397  
1398 -
1399 1399  = 5. Battery & How to replace =
1400 1400  
1613 +
1401 1401  == 5.1 Battery Type ==
1402 1402  
1616 +
1403 1403  (((
1404 1404  (((
1405 1405  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.
... ... @@ -1420,8 +1420,10 @@
1420 1420  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1421 1421  
1422 1422  
1637 +
1423 1423  == 5.2 Replace Battery ==
1424 1424  
1640 +
1425 1425  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.
1426 1426  
1427 1427  [[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"]]
... ... @@ -1429,6 +1429,7 @@
1429 1429  
1430 1430  == 5.3 Battery Life Analyze ==
1431 1431  
1648 +
1432 1432  (((
1433 1433  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:
1434 1434  [[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]]
... ... @@ -1446,8 +1446,10 @@
1446 1446  
1447 1447  = 6. FAQ =
1448 1448  
1666 +
1449 1449  == 6.1 How to use AT Command? ==
1450 1450  
1669 +
1451 1451  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.
1452 1452  
1453 1453  [[image:image-20220530085651-1.png||_mstalt="429949"]]
... ... @@ -1666,40 +1666,43 @@
1666 1666  AT+PID:  Get or set the PID
1667 1667  
1668 1668  
1888 +
1669 1669  == 6.2 Where to use AT commands and Downlink commands ==
1670 1670  
1671 -(% _msthash="506131" _msttexthash="14585714" %)
1672 -AT commands：
1673 1673  
1892 +**AT commands：**
1893 +
1674 1674  [[image:image-20220620153708-1.png||height="603" width="723"]]
1675 1675  
1676 -(% _msthash="506132" _msttexthash="337922" %)
1677 -Downlink commands:
1678 1678  
1897 +**Downlink commands:**
1679 1679  
1680 -(% _msthash="506133" _msttexthash="33046" %)
1681 -**TTN:**
1682 1682  
1900 +
1901 +(% style="color:blue" %)**TTN:**
1902 +
1683 1683  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1684 1684  
1685 1685  
1686 -(% _msthash="506134" _msttexthash="11113791" %)
1687 -**Helium：**
1688 1688  
1907 +(% style="color:blue" %)**Helium：**
1908 +
1689 1689  [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1690 1690  
1691 1691  
1692 -(% _msthash="506135" _msttexthash="4159844" %)
1693 -**Chirpstack:The downlink window will not be displayed until the network is accessed**
1694 1694  
1913 +(% style="color:blue" %)**Chirpstack: The downlink window will not be displayed until the network is accessed**
1914 +
1915 +
1695 1695  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1696 1696  
1918 +
1697 1697  [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1698 1698  
1699 1699  
1700 -(% _msthash="506136" _msttexthash="39286" %)
1701 -**Aws:**
1702 1702  
1923 +(% style="color:blue" %)**Aws:**
1924 +
1703 1703  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1704 1704  
1705 1705  
... ... @@ -1706,6 +1706,7 @@
1706 1706  
1707 1707  == 6.3 How to change the uplink interval？ ==
1708 1708  
1931 +
1709 1709  [[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"]]
1710 1710  
1711 1711  
... ... @@ -1712,6 +1712,7 @@
1712 1712  
1713 1713  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1714 1714  
1938 +
1715 1715  [[image:image-20220615153355-1.png]]
1716 1716  
1717 1717  [[image:1655802313617-381.png]]
... ... @@ -1768,13 +1768,16 @@
1768 1768  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1769 1769  
1770 1770  
1995 +
1771 1771  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1772 1772  
1998 +
1773 1773  [[image:image-20220623110706-1.png]]
1774 1774  
1775 1775  
1776 1776  [[image:image-20220623112117-4.png||height="459" width="343"]]
1777 1777  
2004 +
1778 1778  (((
1779 1779  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.
1780 1780  )))
... ... @@ -1785,10 +1785,13 @@
1785 1785  [[image:image-20220615154519-3.png||height="672" width="807"]]
1786 1786  
1787 1787  
2015 +
1788 1788  == 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1789 1789  
2018 +
1790 1790  [[image:image-20220623110706-1.png]]
1791 1791  
2021 +
1792 1792  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1793 1793  
1794 1794  [[image:image-20220615170542-5.png]]
... ... @@ -1805,6 +1805,7 @@
1805 1805  (% _msthash="506146" _msttexthash="52173160" %)
1806 1806  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1807 1807  
2038 +
1808 1808  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1809 1809  
1810 1810  [[image:image-20220615171334-6.png]]
... ... @@ -1821,6 +1821,7 @@
1821 1821  Finally,restart reset device again
1822 1822  
1823 1823  
2055 +
1824 1824  = 7. Order Info =
1825 1825  
1826 1826  
... ... @@ -1828,20 +1828,13 @@
1828 1828  
1829 1829  (% style="color:#4f81bd" %)**XX **(%%): The default frequency band
1830 1830  
1831 -(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1832 -
2063 +* (% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1833 1833  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1834 -
1835 1835  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1836 -
1837 1837  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1838 -
1839 1839  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1840 -
1841 1841  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1842 -
1843 1843  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1844 -
1845 1845  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1846 1846  
1847 1847  (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
... ... @@ -1849,7 +1849,6 @@
1849 1849  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1850 1850  
1851 1851  
1852 -
1853 1853  = 8. Packing Info =
1854 1854  
1855 1855  
... ... @@ -1864,17 +1864,20 @@
1864 1864  * Device Weight: 120.5g
1865 1865  
1866 1866  
1867 -
1868 1868  = 9. Reference material =
1869 1869  
2093 +
1870 1870  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1871 1871  
1872 1872  
1873 -
1874 1874  = 10. FCC Warning =
1875 1875  
2099 +
1876 1876  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1877 1877  
1878 1878  (1) This device may not cause harmful interference；
1879 1879  
1880 1880  (2) this device must accept any interference received, including interference that may cause undesired operation.
2105 +
2106 +
2107 +
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