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Last modified by Xiaoling on 2023/07/18 10:12
From version 204.1
edited by Edwin Chen
on 2022/10/08 15:03
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  
... ... @@ -59,12 +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  
62 +
63 +
64 64  == 1.3 Specification ==
65 65  
66 66  
67 -(% style="color:#037691" %)**Built-in Temperature Sensor:**
67 +**Built-in Temperature Sensor:**
68 68  
69 69  * Resolution: 0.01 °C
70 70  * Accuracy Tolerance : Typ ±0.3 °C
... ... @@ -71,23 +71,28 @@
71 71  * Long Term Drift: < 0.02 °C/yr
72 72  * Operating Range: -40 ~~ 85 °C
73 73  
74 -(% style="color:#037691" %)**Built-in Humidity Sensor:**
75 75  
75 +
76 +**Built-in Humidity Sensor:**
77 +
76 76  * Resolution: 0.04 %RH
77 77  * Accuracy Tolerance : Typ ±3 %RH
78 78  * Long Term Drift: < 0.02 °C/yr
79 79  * Operating Range: 0 ~~ 96 %RH
80 80  
81 -(% style="color:#037691" %)**External Temperature Sensor:**
82 82  
84 +
85 +**External Temperature Sensor:**
86 +
83 83  * Resolution: 0.0625 °C
84 84  * ±0.5°C accuracy from -10°C to +85°C
85 85  * ±2°C accuracy from -55°C to +125°C
86 86  * Operating Range: -55 °C ~~ 125 °C
87 87  
88 -= 2. Connect LHT65N to IoT Server =
89 89  
90 90  
94 += 2. Connect LHT65N to IoT Server =
95 +
91 91  == 2.1 How does LHT65N work? ==
92 92  
93 93  
... ... @@ -132,7 +132,6 @@
132 132  (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
133 133  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.
134 134  
135 -
136 136  (% _mstvisible="1" class="wikigeneratedid" %)
137 137  [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
138 138  
... ... @@ -277,6 +277,7 @@
277 277  * 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.)
278 278  
279 279  
284 +
280 280  === 2.4.1 Decoder in TTN V3 ===
281 281  
282 282  
... ... @@ -310,6 +310,7 @@
310 310  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
311 311  
312 312  
318 +
313 313  === 2.4.3 Built-in Temperature ===
314 314  
315 315  
... ... @@ -322,6 +322,7 @@
322 322  * Temperature:  (0xF5C6-65536)/100=-26.18℃
323 323  
324 324  
331 +
325 325  === 2.4.4 Built-in Humidity ===
326 326  
327 327  
... ... @@ -330,6 +330,7 @@
330 330  * Humidity:    0x025C/10=60.4%
331 331  
332 332  
340 +
333 333  === 2.4.5 Ext # ===
334 334  
335 335  
... ... @@ -341,7 +341,6 @@
341 341  
342 342  === 2.4.6 Ext value ===
343 343  
344 -
345 345  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
346 346  
347 347  
... ... @@ -488,6 +488,7 @@
488 488  * (% 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)
489 489  
490 490  
498 +
491 491  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
492 492  
493 493  
... ... @@ -497,7 +497,7 @@
497 497  
498 498  sensor by setting:
499 499  
500 -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
501 501  
502 502  For example:
503 503  
... ... @@ -520,7 +520,6 @@
520 520  
521 521  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.
522 522  
523 -
524 524  1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
525 525  
526 526  [[image:image-20220628151005-5.png]]
... ... @@ -537,168 +537,6 @@
537 537  
538 538  
539 539  
540 -==== 2.4.6.4 Ext~=2 TMP117 Sensor （Since Firmware v1.3） ====
541 -
542 -
543 -[[image:image-20220927095645-1.png||height="534" width="460"]]
544 -
545 -
546 -**Ext=2,Temperature Sensor(TMP117)：**
547 -
548 -[[image:image-20220906102307-7.png]]
549 -
550 -
551 -(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
552 -
553 -The external cable NE2 can be use for MOD4 and MOD8
554 -
555 -
556 -
557 -
558 -==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
559 -
560 -
561 -(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
562 -
563 -
564 -(% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
565 -
566 -**Case 1: Door Sensor.** 3.3v Out for such sensor is just to detect Open/Close.
567 -
568 - In Open State, the power consumption is the same as if there is no probe
569 -
570 - In Close state, the power consumption will be 3uA higher than normal.
571 -
572 -[[image:image-20220906100852-1.png||height="205" width="377"]]
573 -
574 -
575 -Ext=4,Interrupt Sensor：
576 -
577 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
578 -|(% style="width:117px" %)(((
579 -AT+EXT=4,1
580 -)))|(% style="width:371px" %)(((
581 -Sent uplink packet in both rising and falling interrupt
582 -)))
583 -|(% style="width:117px" %)(((
584 -AT+EXT=4,2
585 -)))|(% style="width:371px" %)(((
586 -Sent uplink packet only in falling interrupt
587 -)))
588 -|(% style="width:117px" %)(((
589 -AT+EXT=4,3
590 -)))|(% style="width:371px" %)(((
591 -Sent uplink packet only in rising interrupt
592 -)))
593 -
594 -Trigger by falling edge:
595 -
596 -[[image:image-20220906101145-2.png]]
597 -
598 -
599 -Trigger by raising edge：
600 -
601 -[[image:image-20220906101145-3.png]]
602 -
603 -
604 -
605 -
606 -==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
607 -
608 -
609 -(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
610 -
611 -
612 -(% 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.
613 -
614 -[[image:image-20220906101320-4.png||height="366" width="698"]]
615 -
616 -
617 -(% 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
618 -
619 -[[image:image-20220906101320-5.png||height="353" width="696"]]
620 -
621 -Ext=8, Counting Sensor ( 4 bytes)：
622 -
623 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
624 -|(% style="width:138px" %)(((
625 -AT+EXT=8,0
626 -)))|(% style="width:240px" %)(((
627 -Count at falling interrupt
628 -)))
629 -|(% style="width:138px" %)(((
630 -AT+EXT=8,1
631 -)))|(% style="width:240px" %)(((
632 -Count at rising interrupt
633 -)))
634 -|(% style="width:138px" %)(((
635 -AT+SETCNT=60
636 -)))|(% style="width:240px" %)(((
637 -Sent current count to 60
638 -)))
639 -
640 -[[image:image-20220906101320-6.png]]
641 -
642 -
643 -(% style="color:blue" %)**A2 downlink Command：**
644 -
645 -A2 02:  Same as AT+EXT=2 (AT+EXT= second byte)
646 -
647 -A2 06 01 F4:  Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
648 -
649 -A2 04 02:  Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
650 -
651 -A2 08 01 00:  Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
652 -
653 -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)
654 -
655 -
656 -(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
657 -
658 -
659 -(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
660 -
661 -(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
662 -
663 -0): Cancel
664 -
665 -1): Threshold alarm
666 -
667 -2): Fluctuation alarm
668 -
669 -
670 -(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
671 -
672 -(% 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.**
673 -
674 -
675 -(% style="color:#037691" %) **Parameter 3 and parameter 4:**
676 -
677 -1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
678 -
679 -Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
680 -
681 -
682 -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.
683 -
684 -Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
685 -
686 -If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
687 -
688 -
689 -(% style="color:blue" %)** Downlink:**
690 -
691 -0xA5 00 ~-~- AT+WMOD=0.
692 -
693 -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 )
694 -
695 -0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
696 -
697 -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.
698 -
699 -
700 -
701 -
702 702  == 2.5 Show data on Datacake ==
703 703  
704 704  
... ... @@ -761,19 +761,11 @@
761 761  
762 762  There are two methods:
763 763  
764 -**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.
765 765  
766 -
767 -**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.
768 -
769 -**Note for method 2:**
770 -
771 -* a) LHT65N will do an ACK check for data records sending to make sure every data arrive server.
772 -* 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.
773 -
774 774  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
775 775  
776 -
777 777  [[image:image-20220703111700-2.png||height="381" width="1119"]]
778 778  
779 779  
... ... @@ -991,22 +991,20 @@
991 991  )))
992 992  )))
993 993  
831 +
994 994  (% _mstvisible="1" %)
995 995  (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
996 996  
997 997  (% _mstvisible="1" %)
836 +[[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
837 +
838 +(% _mstvisible="1" %)
998 998  (((
999 999  (% _mstvisible="2" %)
1000 1000  (((
1001 1001  (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
1002 1002  (((
1003 -[[image:image-20221006192726-1.png||height="112" width="754"]]
1004 -
1005 -(% 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)
1006 -
1007 -(% class="mark" %)Poll Message Flag(%%): 1: This message is a poll message reply.
1008 -
1009 -
844 +Poll Message Flag: 1: This message is a poll message reply.
1010 1010  )))
1011 1011  )))
1012 1012  )))
... ... @@ -1147,7 +1147,6 @@
1147 1147  (% _mstvisible="1" %)
1148 1148  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1149 1149  
1150 -
1151 1151  (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1152 1152  (((
1153 1153  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
... ... @@ -1261,6 +1261,7 @@
1261 1261  * For each success downlink, the PURPLE LED will blink once
1262 1262  
1263 1263  
1098 +
1264 1264  == 2.9 installation ==
1265 1265  
1266 1266  
... ... @@ -1271,7 +1271,6 @@
1271 1271  
1272 1272  = 3. Sensors and Accessories =
1273 1273  
1274 -
1275 1275  == 3.1 E2 Extension Cable ==
1276 1276  
1277 1277  
... ... @@ -1319,6 +1319,7 @@
1319 1319  * Working voltage 2.35v ~~ 5v
1320 1320  
1321 1321  
1156 +
1322 1322  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1323 1323  
1324 1324  
... ... @@ -1389,6 +1389,7 @@
1389 1389  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1390 1390  
1391 1391  
1227 +
1392 1392  == 4.2 Set External Sensor Mode ==
1393 1393  
1394 1394  
... ... @@ -1413,6 +1413,7 @@
1413 1413  * 0xA20702003c: Same as AT+SETCNT=60
1414 1414  
1415 1415  
1252 +
1416 1416  == 4.3 Enable/Disable uplink Temperature probe ID ==
1417 1417  
1418 1418  
... ... @@ -1444,6 +1444,7 @@
1444 1444  * **0xA801**     **~-~->** AT+PID=1
1445 1445  
1446 1446  
1284 +
1447 1447  == 4.4 Set Password ==
1448 1448  
1449 1449  
... ... @@ -1486,6 +1486,8 @@
1486 1486  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1487 1487  * **AT+Sleep=1** :  Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1488 1488  
1327 +
1328 +
1489 1489  (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1490 1490  
1491 1491  [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
... ... @@ -1496,6 +1496,7 @@
1496 1496  * There is no downlink command to set to Sleep mode.
1497 1497  
1498 1498  
1339 +
1499 1499  == 4.7 Set system time ==
1500 1500  
1501 1501  
... ... @@ -1509,7 +1509,7 @@
1509 1509  
1510 1510  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1511 1511  
1512 -0x306007806000  ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1353 +0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1513 1513  
1514 1514  
1515 1515  
... ... @@ -1533,8 +1533,8 @@
1533 1533  
1534 1534  (% style="color:#4f81bd" %)**Downlink Command:**
1535 1535  
1536 -0x28 01  ~/~/  Same As AT+SYNCMOD=1
1537 -0x28 00  ~/~/  Same As AT+SYNCMOD=0
1377 +0x28 01 ~/~/ Same As AT+SYNCMOD=1
1378 +0x28 00 ~/~/ Same As AT+SYNCMOD=0
1538 1538  
1539 1539  
1540 1540  
... ... @@ -1574,10 +1574,8 @@
1574 1574  
1575 1575  == 4.11 Print last few data entries. ==
1576 1576  
1577 -
1578 1578  Feature: Print the last few data entries
1579 1579  
1580 -
1581 1581  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1582 1582  
1583 1583  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
... ... @@ -1591,7 +1591,6 @@
1591 1591  
1592 1592  == 4.12 Clear Flash Record ==
1593 1593  
1594 -
1595 1595  Feature: Clear flash storage for data log feature.
1596 1596  
1597 1597  
... ... @@ -1607,11 +1607,9 @@
1607 1607  
1608 1608  == 4.13 Auto Send None-ACK messages ==
1609 1609  
1610 -
1611 1611  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1612 1612  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.
1613 1613  
1614 -
1615 1615  (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1616 1616  
1617 1617  (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
... ... @@ -1628,10 +1628,8 @@
1628 1628  
1629 1629  = 5. Battery & How to replace =
1630 1630  
1631 -
1632 1632  == 5.1 Battery Type ==
1633 1633  
1634 -
1635 1635  (((
1636 1636  (((
1637 1637  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.
... ... @@ -1652,10 +1652,8 @@
1652 1652  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1653 1653  
1654 1654  
1655 -
1656 1656  == 5.2 Replace Battery ==
1657 1657  
1658 -
1659 1659  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.
1660 1660  
1661 1661  [[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"]]
... ... @@ -1663,7 +1663,6 @@
1663 1663  
1664 1664  == 5.3 Battery Life Analyze ==
1665 1665  
1666 -
1667 1667  (((
1668 1668  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:
1669 1669  [[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]]
... ... @@ -1681,10 +1681,8 @@
1681 1681  
1682 1682  = 6. FAQ =
1683 1683  
1684 -
1685 1685  == 6.1 How to use AT Command? ==
1686 1686  
1687 -
1688 1688  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.
1689 1689  
1690 1690  [[image:image-20220530085651-1.png||_mstalt="429949"]]
... ... @@ -1903,43 +1903,40 @@
1903 1903  AT+PID:  Get or set the PID
1904 1904  
1905 1905  
1906 -
1907 1907  == 6.2 Where to use AT commands and Downlink commands ==
1908 1908  
1737 +(% _msthash="506131" _msttexthash="14585714" %)
1738 +AT commands：
1909 1909  
1910 -**AT commands：**
1911 -
1912 1912  [[image:image-20220620153708-1.png||height="603" width="723"]]
1913 1913  
1742 +(% _msthash="506132" _msttexthash="337922" %)
1743 +Downlink commands:
1914 1914  
1915 -**Downlink commands:**
1916 1916  
1746 +(% _msthash="506133" _msttexthash="33046" %)
1747 +**TTN:**
1917 1917  
1918 -
1919 -(% style="color:blue" %)**TTN:**
1920 -
1921 1921  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1922 1922  
1923 1923  
1752 +(% _msthash="506134" _msttexthash="11113791" %)
1753 +**Helium：**
1924 1924  
1925 -(% style="color:blue" %)**Helium：**
1926 -
1927 1927  [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1928 1928  
1929 1929  
1758 +(% _msthash="506135" _msttexthash="4159844" %)
1759 +**Chirpstack:The downlink window will not be displayed until the network is accessed**
1930 1930  
1931 -(% style="color:blue" %)**Chirpstack: The downlink window will not be displayed until the network is accessed**
1932 -
1933 -
1934 1934  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1935 1935  
1936 -
1937 1937  [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1938 1938  
1939 1939  
1766 +(% _msthash="506136" _msttexthash="39286" %)
1767 +**Aws:**
1940 1940  
1941 -(% style="color:blue" %)**Aws:**
1942 -
1943 1943  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1944 1944  
1945 1945  
... ... @@ -1946,14 +1946,12 @@
1946 1946  
1947 1947  == 6.3 How to change the uplink interval？ ==
1948 1948  
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"]]
1949 1949  
1950 -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);"]]
1951 1951  
1952 1952  
1953 -
1954 1954  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1955 1955  
1956 -
1957 1957  [[image:image-20220615153355-1.png]]
1958 1958  
1959 1959  [[image:1655802313617-381.png]]
... ... @@ -1981,7 +1981,6 @@
1981 1981  [[image:image-20220615170542-5.png]]
1982 1982  
1983 1983  
1984 -
1985 1985  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1986 1986  
1987 1987  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -1995,7 +1995,6 @@
1995 1995  [[image:image-20220621170938-2.png]]
1996 1996  
1997 1997  
1998 -
1999 1999  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
2000 2000  
2001 2001  [[image:image-20220615171334-6.png]]
... ... @@ -2012,16 +2012,13 @@
2012 2012  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
2013 2013  
2014 2014  
2015 -
2016 2016  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
2017 2017  
2018 -
2019 2019  [[image:image-20220623110706-1.png]]
2020 2020  
2021 2021  
2022 2022  [[image:image-20220623112117-4.png||height="459" width="343"]]
2023 2023  
2024 -
2025 2025  (((
2026 2026  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.
2027 2027  )))
... ... @@ -2032,19 +2032,15 @@
2032 2032  [[image:image-20220615154519-3.png||height="672" width="807"]]
2033 2033  
2034 2034  
2035 -
2036 2036  == 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
2037 2037  
2038 -
2039 2039  [[image:image-20220623110706-1.png]]
2040 2040  
2041 -
2042 2042  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
2043 2043  
2044 2044  [[image:image-20220615170542-5.png]]
2045 2045  
2046 2046  
2047 -
2048 2048  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
2049 2049  
2050 2050  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -2056,8 +2056,6 @@
2056 2056  (% _msthash="506146" _msttexthash="52173160" %)
2057 2057  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
2058 2058  
2059 -
2060 -
2061 2061  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
2062 2062  
2063 2063  [[image:image-20220615171334-6.png]]
... ... @@ -2074,7 +2074,6 @@
2074 2074  Finally,restart reset device again
2075 2075  
2076 2076  
2077 -
2078 2078  = 7. Order Info =
2079 2079  
2080 2080  
... ... @@ -2082,13 +2082,20 @@
2082 2082  
2083 2083  (% style="color:#4f81bd" %)**XX **(%%): The default frequency band
2084 2084  
2085 -* (% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1897 +(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1898 +
2086 2086  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1900 +
2087 2087  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1902 +
2088 2088  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1904 +
2089 2089  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1906 +
2090 2090  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1908 +
2091 2091  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1910 +
2092 2092  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2093 2093  
2094 2094  (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
... ... @@ -2112,18 +2112,13 @@
2112 2112  
2113 2113  = 9. Reference material =
2114 2114  
2115 -
2116 2116  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2117 2117  
2118 2118  
2119 2119  = 10. FCC Warning =
2120 2120  
2121 -
2122 2122  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2123 2123  
2124 2124  (1) This device may not cause harmful interference；
2125 2125  
2126 2126  (2) this device must accept any interference received, including interference that may cause undesired operation.
2127 -
2128 -
2129 -
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