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Last modified by Xiaoling on 2023/07/18 10:12
From version 206.1
edited by Edwin Chen
on 2022/10/18 09:46
Change comment: There is no comment for this version
To version 189.9
edited by Xiaoling
on 2022/08/08 16:38
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
... ... @@ -16,7 +16,6 @@
16 16  
17 17  = 1. Introduction =
18 18  
19 -
20 20  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
21 21  
22 22  
... ... @@ -45,7 +45,6 @@
45 45  )))
46 46  
47 47  
48 -
49 49  == 1.2 Features ==
50 50  
51 51  
... ... @@ -59,13 +59,14 @@
59 59  * Built-in Temperature & Humidity sensor
60 60  * Optional External Sensors
61 61  * Tri-color LED to indicate working status
62 -* Datalog feature (Max 3328 records)
60 +* Datalog feature
63 63  
64 64  
63 +
65 65  == 1.3 Specification ==
66 66  
67 67  
68 -(% style="color:#037691" %)**Built-in Temperature Sensor:**
67 +**Built-in Temperature Sensor:**
69 69  
70 70  * Resolution: 0.01 °C
71 71  * Accuracy Tolerance : Typ ±0.3 °C
... ... @@ -72,15 +72,19 @@
72 72  * Long Term Drift: < 0.02 °C/yr
73 73  * Operating Range: -40 ~~ 85 °C
74 74  
75 -(% style="color:#037691" %)**Built-in Humidity Sensor:**
76 76  
75 +
76 +**Built-in Humidity Sensor:**
77 +
77 77  * Resolution: 0.04 %RH
78 78  * Accuracy Tolerance : Typ ±3 %RH
79 79  * Long Term Drift: < 0.02 °C/yr
80 80  * Operating Range: 0 ~~ 96 %RH
81 81  
82 -(% style="color:#037691" %)**External Temperature Sensor:**
83 83  
84 +
85 +**External Temperature Sensor:**
86 +
84 84  * Resolution: 0.0625 °C
85 85  * ±0.5°C accuracy from -10°C to +85°C
86 86  * ±2°C accuracy from -55°C to +125°C
... ... @@ -87,9 +87,9 @@
87 87  * Operating Range: -55 °C ~~ 125 °C
88 88  
89 89  
93 +
90 90  = 2. Connect LHT65N to IoT Server =
91 91  
92 -
93 93  == 2.1 How does LHT65N work? ==
94 94  
95 95  
... ... @@ -134,7 +134,6 @@
134 134  (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
135 135  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.
136 136  
137 -
138 138  (% _mstvisible="1" class="wikigeneratedid" %)
139 139  [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
140 140  
... ... @@ -199,7 +199,7 @@
199 199  
200 200  
201 201  
202 -== 2.4 Uplink Payload   ( Fport~=2) ==
204 +== 2.4 Uplink Payload ==
203 203  
204 204  
205 205  (((
... ... @@ -279,14 +279,18 @@
279 279  * 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.)
280 280  
281 281  
284 +
282 282  === 2.4.1 Decoder in TTN V3 ===
283 283  
284 284  
285 285  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.
286 286  
287 -Below is the position to put the decoder and LHT65N decoder can be download from here: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
290 +Below is the position to put the decoder and LHT65N decoder can be download from here:
288 288  
289 289  
293 +[[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064" _mstvisible="2"]]
294 +
295 +
290 290  [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
291 291  
292 292  
... ... @@ -309,6 +309,7 @@
309 309  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
310 310  
311 311  
318 +
312 312  === 2.4.3 Built-in Temperature ===
313 313  
314 314  
... ... @@ -320,6 +320,8 @@
320 320  
321 321  * Temperature:  (0xF5C6-65536)/100=-26.18℃
322 322  
330 +
331 +
323 323  === 2.4.4 Built-in Humidity ===
324 324  
325 325  
... ... @@ -328,6 +328,7 @@
328 328  * Humidity:    0x025C/10=60.4%
329 329  
330 330  
340 +
331 331  === 2.4.5 Ext # ===
332 332  
333 333  
... ... @@ -339,7 +339,6 @@
339 339  
340 340  === 2.4.6 Ext value ===
341 341  
342 -
343 343  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
344 344  
345 345  
... ... @@ -496,7 +496,7 @@
496 496  
497 497  sensor by setting:
498 498  
499 -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
500 500  
501 501  For example:
502 502  
... ... @@ -519,7 +519,6 @@
519 519  
520 520  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.
521 521  
522 -
523 523  1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
524 524  
525 525  [[image:image-20220628151005-5.png]]
... ... @@ -536,168 +536,6 @@
536 536  
537 537  
538 538  
539 -==== 2.4.6.4 Ext~=2 TMP117 Sensor （Since Firmware v1.3） ====
540 -
541 -
542 -[[image:image-20220927095645-1.png||height="534" width="460"]]
543 -
544 -
545 -**Ext=2,Temperature Sensor(TMP117)：**
546 -
547 -[[image:image-20220906102307-7.png]]
548 -
549 -
550 -(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
551 -
552 -The external cable NE2 can be use for MOD4 and MOD8
553 -
554 -
555 -
556 -
557 -==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
558 -
559 -
560 -(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
561 -
562 -
563 -(% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
564 -
565 -**Case 1: Door Sensor.** 3.3v Out for such sensor is just to detect Open/Close.
566 -
567 - In Open State, the power consumption is the same as if there is no probe
568 -
569 - In Close state, the power consumption will be 3uA higher than normal.
570 -
571 -[[image:image-20220906100852-1.png||height="205" width="377"]]
572 -
573 -
574 -Ext=4,Interrupt Sensor：
575 -
576 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
577 -|(% style="width:117px" %)(((
578 -AT+EXT=4,1
579 -)))|(% style="width:371px" %)(((
580 -Sent uplink packet in both rising and falling interrupt
581 -)))
582 -|(% style="width:117px" %)(((
583 -AT+EXT=4,2
584 -)))|(% style="width:371px" %)(((
585 -Sent uplink packet only in falling interrupt
586 -)))
587 -|(% style="width:117px" %)(((
588 -AT+EXT=4,3
589 -)))|(% style="width:371px" %)(((
590 -Sent uplink packet only in rising interrupt
591 -)))
592 -
593 -Trigger by falling edge:
594 -
595 -[[image:image-20220906101145-2.png]]
596 -
597 -
598 -Trigger by raising edge：
599 -
600 -[[image:image-20220906101145-3.png]]
601 -
602 -
603 -
604 -
605 -==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
606 -
607 -
608 -(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
609 -
610 -
611 -(% 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.
612 -
613 -[[image:image-20220906101320-4.png||height="366" width="698"]]
614 -
615 -
616 -(% 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
617 -
618 -[[image:image-20220906101320-5.png||height="353" width="696"]]
619 -
620 -Ext=8, Counting Sensor ( 4 bytes)：
621 -
622 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
623 -|(% style="width:138px" %)(((
624 -AT+EXT=8,0
625 -)))|(% style="width:240px" %)(((
626 -Count at falling interrupt
627 -)))
628 -|(% style="width:138px" %)(((
629 -AT+EXT=8,1
630 -)))|(% style="width:240px" %)(((
631 -Count at rising interrupt
632 -)))
633 -|(% style="width:138px" %)(((
634 -AT+SETCNT=60
635 -)))|(% style="width:240px" %)(((
636 -Sent current count to 60
637 -)))
638 -
639 -[[image:image-20220906101320-6.png]]
640 -
641 -
642 -(% style="color:blue" %)**A2 downlink Command：**
643 -
644 -A2 02:  Same as AT+EXT=2 (AT+EXT= second byte)
645 -
646 -A2 06 01 F4:  Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
647 -
648 -A2 04 02:  Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
649 -
650 -A2 08 01 00:  Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
651 -
652 -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)
653 -
654 -
655 -(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
656 -
657 -
658 -(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
659 -
660 -(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
661 -
662 -0): Cancel
663 -
664 -1): Threshold alarm
665 -
666 -2): Fluctuation alarm
667 -
668 -
669 -(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
670 -
671 -(% 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.**
672 -
673 -
674 -(% style="color:#037691" %) **Parameter 3 and parameter 4:**
675 -
676 -1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
677 -
678 -Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
679 -
680 -
681 -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.
682 -
683 -Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
684 -
685 -If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
686 -
687 -
688 -(% style="color:blue" %)** Downlink:**
689 -
690 -0xA5 00 ~-~- AT+WMOD=0.
691 -
692 -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 )
693 -
694 -0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
695 -
696 -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.
697 -
698 -
699 -
700 -
701 701  == 2.5 Show data on Datacake ==
702 702  
703 703  
... ... @@ -760,19 +760,11 @@
760 760  
761 761  There are two methods:
762 762  
763 -**Method 1**: IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specified time range.
609 +1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
610 +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.
764 764  
765 -
766 -**Method 2: **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 messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
767 -
768 -**Note for method 2:**
769 -
770 -* a) LHT65N will do an ACK check for data records sending to make sure every data arrive server.
771 -* b) LHT65N will send data in **CONFIRMED Mode** when PNACKMD=1, but LHT65N won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if LHT65N gets a ACK, LHT65N will consider there is a network connection and resend all NONE-ACK Message.
772 -
773 773  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
774 774  
775 -
776 776  [[image:image-20220703111700-2.png||height="381" width="1119"]]
777 777  
778 778  
... ... @@ -990,22 +990,20 @@
990 990  )))
991 991  )))
992 992  
831 +
993 993  (% _mstvisible="1" %)
994 994  (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
995 995  
996 996  (% _mstvisible="1" %)
836 +[[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
837 +
838 +(% _mstvisible="1" %)
997 997  (((
998 998  (% _mstvisible="2" %)
999 999  (((
1000 1000  (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
1001 1001  (((
1002 -[[image:image-20221006192726-1.png||height="112" width="754"]]
1003 -
1004 -(% class="mark" %)**No ACK Message**(%%): 1: This message means this payload is fromn Uplink Message which doesn't get ACK from the server before ( for [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]] feature)
1005 -
1006 -(% class="mark" %)**Poll Message Flag**(%%): 1: This message is a poll message reply.
1007 -
1008 -
844 +Poll Message Flag: 1: This message is a poll message reply.
1009 1009  )))
1010 1010  )))
1011 1011  )))
... ... @@ -1054,7 +1054,7 @@
1054 1054  (((
1055 1055  (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
1056 1056  (((
1057 -**a) DR0:** max is 11 bytes so one entry of data
893 +a) DR0: max is 11 bytes so one entry of data
1058 1058  )))
1059 1059  )))
1060 1060  )))
... ... @@ -1065,7 +1065,7 @@
1065 1065  (((
1066 1066  (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
1067 1067  (((
1068 -**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
904 +b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
1069 1069  )))
1070 1070  )))
1071 1071  )))
... ... @@ -1076,7 +1076,7 @@
1076 1076  (((
1077 1077  (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
1078 1078  (((
1079 -**c) DR2:** total payload includes 11 entries of data
915 +c) DR2: total payload includes 11 entries of data
1080 1080  )))
1081 1081  )))
1082 1082  )))
... ... @@ -1087,7 +1087,7 @@
1087 1087  (((
1088 1088  (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
1089 1089  (((
1090 -**d) DR3: **total payload includes 22 entries of data.
926 +d) DR3: total payload includes 22 entries of data.
1091 1091  )))
1092 1092  )))
1093 1093  )))
... ... @@ -1098,7 +1098,7 @@
1098 1098  (((
1099 1099  (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
1100 1100  (((
1101 -If devise doesn't have any data in the polling time. Device will uplink 11 bytes of 0   
937 +If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
1102 1102  )))
1103 1103  )))
1104 1104  )))
... ... @@ -1146,7 +1146,6 @@
1146 1146  (% _mstvisible="1" %)
1147 1147  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1148 1148  
1149 -
1150 1150  (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1151 1151  (((
1152 1152  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
... ... @@ -1260,6 +1260,7 @@
1260 1260  * For each success downlink, the PURPLE LED will blink once
1261 1261  
1262 1262  
1098 +
1263 1263  == 2.9 installation ==
1264 1264  
1265 1265  
... ... @@ -1270,7 +1270,6 @@
1270 1270  
1271 1271  = 3. Sensors and Accessories =
1272 1272  
1273 -
1274 1274  == 3.1 E2 Extension Cable ==
1275 1275  
1276 1276  
... ... @@ -1318,6 +1318,7 @@
1318 1318  * Working voltage 2.35v ~~ 5v
1319 1319  
1320 1320  
1156 +
1321 1321  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1322 1322  
1323 1323  
... ... @@ -1388,6 +1388,7 @@
1388 1388  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1389 1389  
1390 1390  
1227 +
1391 1391  == 4.2 Set External Sensor Mode ==
1392 1392  
1393 1393  
... ... @@ -1412,6 +1412,7 @@
1412 1412  * 0xA20702003c: Same as AT+SETCNT=60
1413 1413  
1414 1414  
1252 +
1415 1415  == 4.3 Enable/Disable uplink Temperature probe ID ==
1416 1416  
1417 1417  
... ... @@ -1443,6 +1443,7 @@
1443 1443  * **0xA801**     **~-~->** AT+PID=1
1444 1444  
1445 1445  
1284 +
1446 1446  == 4.4 Set Password ==
1447 1447  
1448 1448  
... ... @@ -1485,6 +1485,8 @@
1485 1485  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1486 1486  * **AT+Sleep=1** :  Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1487 1487  
1327 +
1328 +
1488 1488  (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1489 1489  
1490 1490  [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
... ... @@ -1495,6 +1495,7 @@
1495 1495  * There is no downlink command to set to Sleep mode.
1496 1496  
1497 1497  
1339 +
1498 1498  == 4.7 Set system time ==
1499 1499  
1500 1500  
... ... @@ -1508,7 +1508,7 @@
1508 1508  
1509 1509  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1510 1510  
1511 -0x306007806000  ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1353 +0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1512 1512  
1513 1513  
1514 1514  
... ... @@ -1532,8 +1532,8 @@
1532 1532  
1533 1533  (% style="color:#4f81bd" %)**Downlink Command:**
1534 1534  
1535 -0x28 01  ~/~/  Same As AT+SYNCMOD=1
1536 -0x28 00  ~/~/  Same As AT+SYNCMOD=0
1377 +0x28 01 ~/~/ Same As AT+SYNCMOD=1
1378 +0x28 00 ~/~/ Same As AT+SYNCMOD=0
1537 1537  
1538 1538  
1539 1539  
... ... @@ -1550,7 +1550,7 @@
1550 1550  
1551 1551  (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1552 1552  
1553 -**0x29 0A**  ~/~/ Same as AT+SYNCTDC=0x0A
1395 +**0x29 0A** ~/~/ Same as AT+SYNCTDC=0x0A
1554 1554  
1555 1555  
1556 1556  
... ... @@ -1573,10 +1573,8 @@
1573 1573  
1574 1574  == 4.11 Print last few data entries. ==
1575 1575  
1576 -
1577 1577  Feature: Print the last few data entries
1578 1578  
1579 -
1580 1580  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1581 1581  
1582 1582  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
... ... @@ -1590,7 +1590,6 @@
1590 1590  
1591 1591  == 4.12 Clear Flash Record ==
1592 1592  
1593 -
1594 1594  Feature: Clear flash storage for data log feature.
1595 1595  
1596 1596  
... ... @@ -1601,16 +1601,14 @@
1601 1601  
1602 1602  (% style="color:#4f81bd" %)**Downlink Command: 0xA3**
1603 1603  
1604 -* Example: 0xA301  ~/~/  Same as AT+CLRDTA
1443 +* Example: 0xA301 ~/~/Same as AT+CLRDTA
1605 1605  
1606 1606  
1607 1607  == 4.13 Auto Send None-ACK messages ==
1608 1608  
1609 -
1610 1610  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1611 1611  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.
1612 1612  
1613 -
1614 1614  (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1615 1615  
1616 1616  (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
... ... @@ -1622,15 +1622,13 @@
1622 1622  
1623 1623  (% style="color:#4f81bd" %)**Downlink Command: 0x34**
1624 1624  
1625 -* Example: 0x3401 ~/~/  Same as AT+PNACKMD=1
1462 +* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1626 1626  
1627 1627  
1628 1628  = 5. Battery & How to replace =
1629 1629  
1630 -
1631 1631  == 5.1 Battery Type ==
1632 1632  
1633 -
1634 1634  (((
1635 1635  (((
1636 1636  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.
... ... @@ -1651,10 +1651,8 @@
1651 1651  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1652 1652  
1653 1653  
1654 -
1655 1655  == 5.2 Replace Battery ==
1656 1656  
1657 -
1658 1658  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.
1659 1659  
1660 1660  [[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"]]
... ... @@ -1662,7 +1662,6 @@
1662 1662  
1663 1663  == 5.3 Battery Life Analyze ==
1664 1664  
1665 -
1666 1666  (((
1667 1667  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:
1668 1668  [[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]]
... ... @@ -1680,10 +1680,8 @@
1680 1680  
1681 1681  = 6. FAQ =
1682 1682  
1683 -
1684 1684  == 6.1 How to use AT Command? ==
1685 1685  
1686 -
1687 1687  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.
1688 1688  
1689 1689  [[image:image-20220530085651-1.png||_mstalt="429949"]]
... ... @@ -1694,6 +1694,7 @@
1694 1694  * (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1695 1695  * (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1696 1696  * (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1527 +* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1697 1697  
1698 1698  (((
1699 1699  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**) (%%)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.
... ... @@ -1901,43 +1901,40 @@
1901 1901  AT+PID:  Get or set the PID
1902 1902  
1903 1903  
1904 -
1905 1905  == 6.2 Where to use AT commands and Downlink commands ==
1906 1906  
1737 +(% _msthash="506131" _msttexthash="14585714" %)
1738 +AT commands：
1907 1907  
1908 -**AT commands：**
1909 -
1910 1910  [[image:image-20220620153708-1.png||height="603" width="723"]]
1911 1911  
1742 +(% _msthash="506132" _msttexthash="337922" %)
1743 +Downlink commands:
1912 1912  
1913 -**Downlink commands:**
1914 1914  
1746 +(% _msthash="506133" _msttexthash="33046" %)
1747 +**TTN:**
1915 1915  
1916 -
1917 -(% style="color:blue" %)**TTN:**
1918 -
1919 1919  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1920 1920  
1921 1921  
1752 +(% _msthash="506134" _msttexthash="11113791" %)
1753 +**Helium：**
1922 1922  
1923 -(% style="color:blue" %)**Helium：**
1924 -
1925 1925  [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1926 1926  
1927 1927  
1758 +(% _msthash="506135" _msttexthash="4159844" %)
1759 +**Chirpstack:The downlink window will not be displayed until the network is accessed**
1928 1928  
1929 -(% style="color:blue" %)**Chirpstack: The downlink window will not be displayed until the network is accessed**
1930 -
1931 -
1932 1932  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1933 1933  
1934 -
1935 1935  [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1936 1936  
1937 1937  
1766 +(% _msthash="506136" _msttexthash="39286" %)
1767 +**Aws:**
1938 1938  
1939 -(% style="color:blue" %)**Aws:**
1940 -
1941 1941  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1942 1942  
1943 1943  
... ... @@ -1944,14 +1944,12 @@
1944 1944  
1945 1945  == 6.3 How to change the uplink interval？ ==
1946 1946  
1775 +[[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"]]
1947 1947  
1948 -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);"]]
1949 1949  
1950 1950  
1951 -
1952 1952  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1953 1953  
1954 -
1955 1955  [[image:image-20220615153355-1.png]]
1956 1956  
1957 1957  [[image:1655802313617-381.png]]
... ... @@ -1979,7 +1979,6 @@
1979 1979  [[image:image-20220615170542-5.png]]
1980 1980  
1981 1981  
1982 -
1983 1983  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1984 1984  
1985 1985  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -1993,7 +1993,6 @@
1993 1993  [[image:image-20220621170938-2.png]]
1994 1994  
1995 1995  
1996 -
1997 1997  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1998 1998  
1999 1999  [[image:image-20220615171334-6.png]]
... ... @@ -2010,16 +2010,13 @@
2010 2010  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
2011 2011  
2012 2012  
2013 -
2014 2014  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
2015 2015  
2016 -
2017 2017  [[image:image-20220623110706-1.png]]
2018 2018  
2019 2019  
2020 2020  [[image:image-20220623112117-4.png||height="459" width="343"]]
2021 2021  
2022 -
2023 2023  (((
2024 2024  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.
2025 2025  )))
... ... @@ -2030,19 +2030,15 @@
2030 2030  [[image:image-20220615154519-3.png||height="672" width="807"]]
2031 2031  
2032 2032  
2033 -
2034 2034  == 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
2035 2035  
2036 -
2037 2037  [[image:image-20220623110706-1.png]]
2038 2038  
2039 -
2040 2040  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
2041 2041  
2042 2042  [[image:image-20220615170542-5.png]]
2043 2043  
2044 2044  
2045 -
2046 2046  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
2047 2047  
2048 2048  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -2054,8 +2054,6 @@
2054 2054  (% _msthash="506146" _msttexthash="52173160" %)
2055 2055  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
2056 2056  
2057 -
2058 -
2059 2059  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
2060 2060  
2061 2061  [[image:image-20220615171334-6.png]]
... ... @@ -2072,7 +2072,6 @@
2072 2072  Finally,restart reset device again
2073 2073  
2074 2074  
2075 -
2076 2076  = 7. Order Info =
2077 2077  
2078 2078  
... ... @@ -2080,13 +2080,20 @@
2080 2080  
2081 2081  (% style="color:#4f81bd" %)**XX **(%%): The default frequency band
2082 2082  
2083 -* (% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1897 +(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1898 +
2084 2084  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1900 +
2085 2085  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1902 +
2086 2086  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1904 +
2087 2087  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1906 +
2088 2088  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1908 +
2089 2089  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1910 +
2090 2090  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2091 2091  
2092 2092  (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
... ... @@ -2093,6 +2093,7 @@
2093 2093  
2094 2094  * (% style="color:red" %)**E3**(%%): External Temperature Probe
2095 2095  
1917 +
2096 2096  = 8. Packing Info =
2097 2097  
2098 2098  
... ... @@ -2106,19 +2106,16 @@
2106 2106  * Device Size:  10 x 10 x 3.5 cm
2107 2107  * Device Weight: 120.5g
2108 2108  
1931 +
2109 2109  = 9. Reference material =
2110 2110  
2111 -
2112 2112  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2113 2113  
1936 +
2114 2114  = 10. FCC Warning =
2115 2115  
2116 -
2117 2117  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2118 2118  
2119 2119  (1) This device may not cause harmful interference；
2120 2120  
2121 2121  (2) this device must accept any interference received, including interference that may cause undesired operation.
2122 -
2123 -
2124 -
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