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Last modified by Xiaoling on 2023/07/18 10:12
From version 205.1
edited by Edwin Chen
on 2022/10/11 18:16
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  
... ... @@ -276,6 +276,8 @@
276 276  * The 7th byte (EXT #): defines the external sensor model.
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  
283 +
284 +
279 279  === 2.4.1 Decoder in TTN V3 ===
280 280  
281 281  
... ... @@ -308,6 +308,8 @@
308 308  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
309 309  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
310 310  
317 +
318 +
311 311  === 2.4.3 Built-in Temperature ===
312 312  
313 313  
... ... @@ -319,6 +319,8 @@
319 319  
320 320  * Temperature:  (0xF5C6-65536)/100=-26.18℃
321 321  
330 +
331 +
322 322  === 2.4.4 Built-in Humidity ===
323 323  
324 324  
... ... @@ -326,6 +326,8 @@
326 326  
327 327  * Humidity:    0x025C/10=60.4%
328 328  
339 +
340 +
329 329  === 2.4.5 Ext # ===
330 330  
331 331  
... ... @@ -337,7 +337,6 @@
337 337  
338 338  === 2.4.6 Ext value ===
339 339  
340 -
341 341  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
342 342  
343 343  
... ... @@ -483,6 +483,8 @@
483 483  * (% 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.
484 484  * (% 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)
485 485  
497 +
498 +
486 486  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
487 487  
488 488  
... ... @@ -492,7 +492,7 @@
492 492  
493 493  sensor by setting:
494 494  
495 -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
496 496  
497 497  For example:
498 498  
... ... @@ -515,7 +515,6 @@
515 515  
516 516  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.
517 517  
518 -
519 519  1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
520 520  
521 521  [[image:image-20220628151005-5.png]]
... ... @@ -532,168 +532,6 @@
532 532  
533 533  
534 534  
535 -==== 2.4.6.4 Ext~=2 TMP117 Sensor （Since Firmware v1.3） ====
536 -
537 -
538 -[[image:image-20220927095645-1.png||height="534" width="460"]]
539 -
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 -
697 697  == 2.5 Show data on Datacake ==
698 698  
699 699  
... ... @@ -756,19 +756,11 @@
756 756  
757 757  There are two methods:
758 758  
759 -**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.
760 760  
761 -
762 -**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.
763 -
764 -**Note for method 2:**
765 -
766 -* a) LHT65N will do an ACK check for data records sending to make sure every data arrive server.
767 -* 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.
768 -
769 769  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
770 770  
771 -
772 772  [[image:image-20220703111700-2.png||height="381" width="1119"]]
773 773  
774 774  
... ... @@ -986,22 +986,20 @@
986 986  )))
987 987  )))
988 988  
831 +
989 989  (% _mstvisible="1" %)
990 990  (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
991 991  
992 992  (% _mstvisible="1" %)
836 +[[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
837 +
838 +(% _mstvisible="1" %)
993 993  (((
994 994  (% _mstvisible="2" %)
995 995  (((
996 996  (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
997 997  (((
998 -[[image:image-20221006192726-1.png||height="112" width="754"]]
999 -
1000 -(% 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)
1001 -
1002 -(% class="mark" %)Poll Message Flag(%%): 1: This message is a poll message reply.
1003 -
1004 -
844 +Poll Message Flag: 1: This message is a poll message reply.
1005 1005  )))
1006 1006  )))
1007 1007  )))
... ... @@ -1142,7 +1142,6 @@
1142 1142  (% _mstvisible="1" %)
1143 1143  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1144 1144  
1145 -
1146 1146  (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1147 1147  (((
1148 1148  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
... ... @@ -1255,6 +1255,8 @@
1255 1255  * RED LED when external sensor is not connected
1256 1256  * For each success downlink, the PURPLE LED will blink once
1257 1257  
1097 +
1098 +
1258 1258  == 2.9 installation ==
1259 1259  
1260 1260  
... ... @@ -1265,7 +1265,6 @@
1265 1265  
1266 1266  = 3. Sensors and Accessories =
1267 1267  
1268 -
1269 1269  == 3.1 E2 Extension Cable ==
1270 1270  
1271 1271  
... ... @@ -1312,6 +1312,8 @@
1312 1312  * Operating Range: -40 ~~ 125 °C
1313 1313  * Working voltage 2.35v ~~ 5v
1314 1314  
1155 +
1156 +
1315 1315  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1316 1316  
1317 1317  
... ... @@ -1381,6 +1381,8 @@
1381 1381  
1382 1382  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1383 1383  
1226 +
1227 +
1384 1384  == 4.2 Set External Sensor Mode ==
1385 1385  
1386 1386  
... ... @@ -1404,6 +1404,8 @@
1404 1404  
1405 1405  * 0xA20702003c: Same as AT+SETCNT=60
1406 1406  
1251 +
1252 +
1407 1407  == 4.3 Enable/Disable uplink Temperature probe ID ==
1408 1408  
1409 1409  
... ... @@ -1434,6 +1434,8 @@
1434 1434  * **0xA800**  **~-~->** AT+PID=0
1435 1435  * **0xA801**     **~-~->** AT+PID=1
1436 1436  
1283 +
1284 +
1437 1437  == 4.4 Set Password ==
1438 1438  
1439 1439  
... ... @@ -1476,6 +1476,8 @@
1476 1476  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1477 1477  * **AT+Sleep=1** :  Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1478 1478  
1327 +
1328 +
1479 1479  (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1480 1480  
1481 1481  [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
... ... @@ -1485,6 +1485,8 @@
1485 1485  
1486 1486  * There is no downlink command to set to Sleep mode.
1487 1487  
1338 +
1339 +
1488 1488  == 4.7 Set system time ==
1489 1489  
1490 1490  
... ... @@ -1498,7 +1498,7 @@
1498 1498  
1499 1499  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1500 1500  
1501 -0x306007806000  ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1353 +0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1502 1502  
1503 1503  
1504 1504  
... ... @@ -1522,8 +1522,8 @@
1522 1522  
1523 1523  (% style="color:#4f81bd" %)**Downlink Command:**
1524 1524  
1525 -0x28 01  ~/~/  Same As AT+SYNCMOD=1
1526 -0x28 00  ~/~/  Same As AT+SYNCMOD=0
1377 +0x28 01 ~/~/ Same As AT+SYNCMOD=1
1378 +0x28 00 ~/~/ Same As AT+SYNCMOD=0
1527 1527  
1528 1528  
1529 1529  
... ... @@ -1563,10 +1563,8 @@
1563 1563  
1564 1564  == 4.11 Print last few data entries. ==
1565 1565  
1566 -
1567 1567  Feature: Print the last few data entries
1568 1568  
1569 -
1570 1570  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1571 1571  
1572 1572  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
... ... @@ -1580,7 +1580,6 @@
1580 1580  
1581 1581  == 4.12 Clear Flash Record ==
1582 1582  
1583 -
1584 1584  Feature: Clear flash storage for data log feature.
1585 1585  
1586 1586  
... ... @@ -1593,13 +1593,12 @@
1593 1593  
1594 1594  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1595 1595  
1445 +
1596 1596  == 4.13 Auto Send None-ACK messages ==
1597 1597  
1598 -
1599 1599  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1600 1600  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.
1601 1601  
1602 -
1603 1603  (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1604 1604  
1605 1605  (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
... ... @@ -1613,12 +1613,11 @@
1613 1613  
1614 1614  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1615 1615  
1464 +
1616 1616  = 5. Battery & How to replace =
1617 1617  
1618 -
1619 1619  == 5.1 Battery Type ==
1620 1620  
1621 -
1622 1622  (((
1623 1623  (((
1624 1624  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.
... ... @@ -1639,10 +1639,8 @@
1639 1639  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1640 1640  
1641 1641  
1642 -
1643 1643  == 5.2 Replace Battery ==
1644 1644  
1645 -
1646 1646  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.
1647 1647  
1648 1648  [[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"]]
... ... @@ -1650,7 +1650,6 @@
1650 1650  
1651 1651  == 5.3 Battery Life Analyze ==
1652 1652  
1653 -
1654 1654  (((
1655 1655  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:
1656 1656  [[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]]
... ... @@ -1668,10 +1668,8 @@
1668 1668  
1669 1669  = 6. FAQ =
1670 1670  
1671 -
1672 1672  == 6.1 How to use AT Command? ==
1673 1673  
1674 -
1675 1675  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.
1676 1676  
1677 1677  [[image:image-20220530085651-1.png||_mstalt="429949"]]
... ... @@ -1682,6 +1682,7 @@
1682 1682  * (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1683 1683  * (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1684 1684  * (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1527 +* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1685 1685  
1686 1686  (((
1687 1687  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.
... ... @@ -1889,43 +1889,40 @@
1889 1889  AT+PID:  Get or set the PID
1890 1890  
1891 1891  
1892 -
1893 1893  == 6.2 Where to use AT commands and Downlink commands ==
1894 1894  
1737 +(% _msthash="506131" _msttexthash="14585714" %)
1738 +AT commands：
1895 1895  
1896 -**AT commands：**
1897 -
1898 1898  [[image:image-20220620153708-1.png||height="603" width="723"]]
1899 1899  
1742 +(% _msthash="506132" _msttexthash="337922" %)
1743 +Downlink commands:
1900 1900  
1901 -**Downlink commands:**
1902 1902  
1746 +(% _msthash="506133" _msttexthash="33046" %)
1747 +**TTN:**
1903 1903  
1904 -
1905 -(% style="color:blue" %)**TTN:**
1906 -
1907 1907  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1908 1908  
1909 1909  
1752 +(% _msthash="506134" _msttexthash="11113791" %)
1753 +**Helium：**
1910 1910  
1911 -(% style="color:blue" %)**Helium：**
1912 -
1913 1913  [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1914 1914  
1915 1915  
1758 +(% _msthash="506135" _msttexthash="4159844" %)
1759 +**Chirpstack:The downlink window will not be displayed until the network is accessed**
1916 1916  
1917 -(% style="color:blue" %)**Chirpstack: The downlink window will not be displayed until the network is accessed**
1918 -
1919 -
1920 1920  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1921 1921  
1922 -
1923 1923  [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1924 1924  
1925 1925  
1766 +(% _msthash="506136" _msttexthash="39286" %)
1767 +**Aws:**
1926 1926  
1927 -(% style="color:blue" %)**Aws:**
1928 -
1929 1929  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1930 1930  
1931 1931  
... ... @@ -1932,14 +1932,12 @@
1932 1932  
1933 1933  == 6.3 How to change the uplink interval？ ==
1934 1934  
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"]]
1935 1935  
1936 -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);"]]
1937 1937  
1938 1938  
1939 -
1940 1940  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1941 1941  
1942 -
1943 1943  [[image:image-20220615153355-1.png]]
1944 1944  
1945 1945  [[image:1655802313617-381.png]]
... ... @@ -1967,7 +1967,6 @@
1967 1967  [[image:image-20220615170542-5.png]]
1968 1968  
1969 1969  
1970 -
1971 1971  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1972 1972  
1973 1973  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -1981,7 +1981,6 @@
1981 1981  [[image:image-20220621170938-2.png]]
1982 1982  
1983 1983  
1984 -
1985 1985  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1986 1986  
1987 1987  [[image:image-20220615171334-6.png]]
... ... @@ -1998,16 +1998,13 @@
1998 1998  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1999 1999  
2000 2000  
2001 -
2002 2002  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
2003 2003  
2004 -
2005 2005  [[image:image-20220623110706-1.png]]
2006 2006  
2007 2007  
2008 2008  [[image:image-20220623112117-4.png||height="459" width="343"]]
2009 2009  
2010 -
2011 2011  (((
2012 2012  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.
2013 2013  )))
... ... @@ -2018,19 +2018,15 @@
2018 2018  [[image:image-20220615154519-3.png||height="672" width="807"]]
2019 2019  
2020 2020  
2021 -
2022 2022  == 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
2023 2023  
2024 -
2025 2025  [[image:image-20220623110706-1.png]]
2026 2026  
2027 -
2028 2028  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
2029 2029  
2030 2030  [[image:image-20220615170542-5.png]]
2031 2031  
2032 2032  
2033 -
2034 2034  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
2035 2035  
2036 2036  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -2042,8 +2042,6 @@
2042 2042  (% _msthash="506146" _msttexthash="52173160" %)
2043 2043  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
2044 2044  
2045 -
2046 -
2047 2047  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
2048 2048  
2049 2049  [[image:image-20220615171334-6.png]]
... ... @@ -2060,7 +2060,6 @@
2060 2060  Finally,restart reset device again
2061 2061  
2062 2062  
2063 -
2064 2064  = 7. Order Info =
2065 2065  
2066 2066  
... ... @@ -2068,13 +2068,20 @@
2068 2068  
2069 2069  (% style="color:#4f81bd" %)**XX **(%%): The default frequency band
2070 2070  
2071 -* (% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1897 +(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1898 +
2072 2072  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1900 +
2073 2073  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1902 +
2074 2074  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1904 +
2075 2075  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1906 +
2076 2076  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1908 +
2077 2077  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1910 +
2078 2078  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2079 2079  
2080 2080  (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
... ... @@ -2081,6 +2081,7 @@
2081 2081  
2082 2082  * (% style="color:red" %)**E3**(%%): External Temperature Probe
2083 2083  
1917 +
2084 2084  = 8. Packing Info =
2085 2085  
2086 2086  
... ... @@ -2094,19 +2094,16 @@
2094 2094  * Device Size:  10 x 10 x 3.5 cm
2095 2095  * Device Weight: 120.5g
2096 2096  
1931 +
2097 2097  = 9. Reference material =
2098 2098  
2099 -
2100 2100  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2101 2101  
1936 +
2102 2102  = 10. FCC Warning =
2103 2103  
2104 -
2105 2105  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2106 2106  
2107 2107  (1) This device may not cause harmful interference；
2108 2108  
2109 2109  (2) this device must accept any interference received, including interference that may cause undesired operation.
2110 -
2111 -
2112 -
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