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Last modified by Xiaoling on 2023/07/18 10:12
From version 198.3
edited by Xiaoling
on 2022/09/06 14:25
Change comment: There is no comment for this version
To version 189.8
edited by Xiaoling
on 2022/08/08 16:22
Change comment: There is no comment for this version

Summary

Details

Page properties
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  
... ... @@ -320,7 +320,6 @@
320 320  
321 321  * Temperature:  0x0ABB/100=27.47℃
322 322  
323 -
324 324  [[image:image-20220522235639-3.png||_mstalt="432120" _mstvisible="3"]]
325 325  
326 326  * Temperature:  (0xF5C6-65536)/100=-26.18℃
... ... @@ -347,7 +347,6 @@
347 347  
348 348  === 2.4.6 Ext value ===
349 349  
350 -
351 351  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
352 352  
353 353  
... ... @@ -495,7 +495,6 @@
495 495  
496 496  
497 497  
498 -
499 499  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
500 500  
501 501  
... ... @@ -505,7 +505,7 @@
505 505  
506 506  sensor by setting:
507 507  
508 -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
509 509  
510 510  For example:
511 511  
... ... @@ -528,7 +528,6 @@
528 528  
529 529  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.
530 530  
531 -
532 532  1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
533 533  
534 534  [[image:image-20220628151005-5.png]]
... ... @@ -545,165 +545,6 @@
545 545  
546 546  
547 547  
548 -==== 2.4.6.4 Ext~=2 TMP117 Sensor （since v1.3） ====
549 -
550 -
551 -**Ext=2,Temperature Sensor(TMP117)：**
552 -
553 -[[image:image-20220906102307-7.png]]
554 -
555 -
556 -(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
557 -
558 -The external cable NE2 can be use for MOD4 and MOD8
559 -
560 -
561 -
562 -
563 -==== 2.4.6.5 Ext~=4 Interrupt Mode （since v1.3） ====
564 -
565 -
566 -(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
567 -
568 -
569 -(% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
570 -
571 -**Case 1: Door Sensor.** 3.3v Out for such sensor is just to detect Open/Close.
572 -
573 - In Open State, the power consumption is the same as if there is no probe
574 -
575 - In Close state, the power consumption will be 3uA higher than normal.
576 -
577 -[[image:image-20220906100852-1.png||height="205" width="377"]]
578 -
579 -
580 -Ext=4,Interrupt Sensor：
581 -
582 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
583 -|(% style="width:117px" %)(((
584 -AT+EXT=4,1
585 -)))|(% style="width:371px" %)(((
586 -Sent uplink packet in both rising and falling interrupt
587 -)))
588 -|(% style="width:117px" %)(((
589 -AT+EXT=4,2
590 -)))|(% style="width:371px" %)(((
591 -Sent uplink packet only in falling interrupt
592 -)))
593 -|(% style="width:117px" %)(((
594 -AT+EXT=4,3
595 -)))|(% style="width:371px" %)(((
596 -Sent uplink packet only in rising interrupt
597 -)))
598 -
599 -Trigger by falling edge:
600 -
601 -[[image:image-20220906101145-2.png]]
602 -
603 -
604 -Trigger by raising edge：
605 -
606 -[[image:image-20220906101145-3.png]]
607 -
608 -
609 -
610 -
611 -==== 2.4.6.6 Ext~=8 Counting Mode（since v1.3） ====
612 -
613 -
614 -(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
615 -
616 -
617 -(% 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.
618 -
619 -[[image:image-20220906101320-4.png||height="366" width="698"]]
620 -
621 -
622 -(% 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
623 -
624 -[[image:image-20220906101320-5.png||height="353" width="696"]]
625 -
626 -Ext=8, Counting Sensor ( 4 bytes)：
627 -
628 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
629 -|(% style="width:138px" %)(((
630 -AT+EXT=8,0
631 -)))|(% style="width:240px" %)(((
632 -Count at falling interrupt
633 -)))
634 -|(% style="width:138px" %)(((
635 -AT+EXT=8,1
636 -)))|(% style="width:240px" %)(((
637 -Count at rising interrupt
638 -)))
639 -|(% style="width:138px" %)(((
640 -AT+SETCNT=60
641 -)))|(% style="width:240px" %)(((
642 -Sent current count to 60
643 -)))
644 -
645 -[[image:image-20220906101320-6.png]]
646 -
647 -
648 -(% style="color:blue" %)**A2 downlink Command：**
649 -
650 -A2 02:  Same as AT+EXT=2 (AT+EXT= second byte)
651 -
652 -A2 06 01 F4:  Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
653 -
654 -A2 04 02:  Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
655 -
656 -A2 08 01 00:  Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
657 -
658 -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)
659 -
660 -
661 -(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
662 -
663 -
664 -(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
665 -
666 -(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
667 -
668 -0): Cancel
669 -
670 -1): Threshold alarm
671 -
672 -2): Fluctuation alarm
673 -
674 -
675 -(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
676 -
677 -(% 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.**
678 -
679 -
680 -(% style="color:#037691" %) **Parameter 3 and parameter 4:**
681 -
682 -1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
683 -
684 -Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
685 -
686 -
687 -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.
688 -
689 -Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
690 -
691 -If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
692 -
693 -
694 -(% style="color:blue" %)** Downlink:**
695 -
696 -0xA5 00 ~-~- AT+WMOD=0.
697 -
698 -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 )
699 -
700 -0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
701 -
702 -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.
703 -
704 -
705 -
706 -
707 707  == 2.5 Show data on Datacake ==
708 708  
709 709  
... ... @@ -767,7 +767,7 @@
767 767  There are two methods:
768 768  
769 769  1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
770 -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.
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.
771 771  
772 772  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
773 773  
... ... @@ -988,6 +988,7 @@
988 988  )))
989 989  )))
990 990  
831 +
991 991  (% _mstvisible="1" %)
992 992  (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
993 993  
... ... @@ -1185,15 +1185,12 @@
1185 1185  
1186 1186  == 2.7 Alarm Mode ==
1187 1187  
1188 -
1189 1189  (((
1190 1190  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.
1191 1191  )))
1192 1192  
1193 1193  (((
1194 -(% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
1195 -
1196 -
1034 +(% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
1197 1197  )))
1198 1198  
1199 1199  (((
... ... @@ -1238,10 +1238,8 @@
1238 1238  TEMPhigh=003C
1239 1239  
1240 1240  
1241 -
1242 1242  == 2.8 LED Indicator ==
1243 1243  
1244 -
1245 1245  The LHT65 has a triple color LED which for easy showing different stage .
1246 1246  
1247 1247  While user press ACT button, the LED will work as per LED status with ACT button.
... ... @@ -1254,11 +1254,8 @@
1254 1254  * For each success downlink, the PURPLE LED will blink once
1255 1255  
1256 1256  
1257 -
1258 -
1259 1259  == 2.9 installation ==
1260 1260  
1261 -
1262 1262  (% _mstvisible="1" %)
1263 1263  [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1264 1264  
... ... @@ -1266,13 +1266,10 @@
1266 1266  
1267 1267  = 3. Sensors and Accessories =
1268 1268  
1269 -
1270 1270  == 3.1 E2 Extension Cable ==
1271 1271  
1272 -
1273 1273  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1274 1274  
1275 -
1276 1276  **1m long breakout cable for LHT65N. Features:**
1277 1277  
1278 1278  * (((
... ... @@ -1289,9 +1289,6 @@
1289 1289  )))
1290 1290  * (((
1291 1291  Exposed All pins from the LHT65N Type-C connector.
1292 -
1293 -
1294 -
1295 1295  )))
1296 1296  
1297 1297  [[image:image-20220619092421-3.png||height="371" width="529"]]
... ... @@ -1314,11 +1314,8 @@
1314 1314  * Working voltage 2.35v ~~ 5v
1315 1315  
1316 1316  
1317 -
1318 -
1319 1319  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1320 1320  
1321 -
1322 1322  (((
1323 1323  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1324 1324  )))
... ... @@ -1363,13 +1363,10 @@
1363 1363  )))
1364 1364  
1365 1365  
1366 -
1367 1367  == 4.1 Set Transmit Interval Time ==
1368 1368  
1369 -
1370 1370  Feature: Change LoRaWAN End Node Transmit Interval.
1371 1371  
1372 -
1373 1373  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
1374 1374  
1375 1375  [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
... ... @@ -1386,14 +1386,10 @@
1386 1386  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1387 1387  
1388 1388  
1389 -
1390 -
1391 1391  == 4.2 Set External Sensor Mode ==
1392 1392  
1393 -
1394 1394  Feature: Change External Sensor Mode.
1395 1395  
1396 -
1397 1397  (% style="color:#4f81bd" %)**AT Command: AT+EXT**
1398 1398  
1399 1399  [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
... ... @@ -1412,11 +1412,8 @@
1412 1412  * 0xA20702003c: Same as AT+SETCNT=60
1413 1413  
1414 1414  
1415 -
1416 -
1417 1417  == 4.3 Enable/Disable uplink Temperature probe ID ==
1418 1418  
1419 -
1420 1420  (((
1421 1421  Feature: If PID is enabled, device will send the temperature probe ID on:
1422 1422  )))
... ... @@ -1430,8 +1430,6 @@
1430 1430  
1431 1431  (((
1432 1432  PID is default set to disable (0)
1433 -
1434 -
1435 1435  )))
1436 1436  
1437 1437  (% style="color:#4f81bd" %)**AT Command:**
... ... @@ -1445,14 +1445,10 @@
1445 1445  * **0xA801**     **~-~->** AT+PID=1
1446 1446  
1447 1447  
1448 -
1449 -
1450 1450  == 4.4 Set Password ==
1451 1451  
1452 -
1453 1453  Feature: Set device password, max 9 digits
1454 1454  
1455 -
1456 1456  (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1457 1457  
1458 1458  [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
... ... @@ -1466,10 +1466,8 @@
1466 1466  
1467 1467  == 4.5 Quit AT Command ==
1468 1468  
1469 -
1470 1470  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1471 1471  
1472 -
1473 1473  (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1474 1474  
1475 1475  [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
... ... @@ -1483,7 +1483,6 @@
1483 1483  
1484 1484  == 4.6 Set to sleep mode ==
1485 1485  
1486 -
1487 1487  Feature: Set device to sleep mode
1488 1488  
1489 1489  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
... ... @@ -1499,14 +1499,10 @@
1499 1499  * There is no downlink command to set to Sleep mode.
1500 1500  
1501 1501  
1502 -
1503 -
1504 1504  == 4.7 Set system time ==
1505 1505  
1506 -
1507 1507  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1508 1508  
1509 -
1510 1510  (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1511 1511  
1512 1512  [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
... ... @@ -1520,7 +1520,6 @@
1520 1520  
1521 1521  == 4.8 Set Time Sync Mode ==
1522 1522  
1523 -
1524 1524  (((
1525 1525  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1526 1526  )))
... ... @@ -1527,8 +1527,6 @@
1527 1527  
1528 1528  (((
1529 1529  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.
1530 -
1531 -
1532 1532  )))
1533 1533  
1534 1534  (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
... ... @@ -1545,10 +1545,8 @@
1545 1545  
1546 1546  == 4.9 Set Time Sync Interval ==
1547 1547  
1548 -
1549 1549  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1550 1550  
1551 -
1552 1552  (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1553 1553  
1554 1554  [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
... ... @@ -1562,10 +1562,8 @@
1562 1562  
1563 1563  == 4.10 Print data entries base on page. ==
1564 1564  
1565 -
1566 1566  Feature: Print the sector data from start page to stop page (max is 416 pages).
1567 1567  
1568 -
1569 1569  (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1570 1570  
1571 1571  [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
... ... @@ -1579,10 +1579,8 @@
1579 1579  
1580 1580  == 4.11 Print last few data entries. ==
1581 1581  
1582 -
1583 1583  Feature: Print the last few data entries
1584 1584  
1585 -
1586 1586  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1587 1587  
1588 1588  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
... ... @@ -1596,7 +1596,6 @@
1596 1596  
1597 1597  == 4.12 Clear Flash Record ==
1598 1598  
1599 -
1600 1600  Feature: Clear flash storage for data log feature.
1601 1601  
1602 1602  
... ... @@ -1610,15 +1610,11 @@
1610 1610  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1611 1611  
1612 1612  
1613 -
1614 -
1615 1615  == 4.13 Auto Send None-ACK messages ==
1616 1616  
1617 -
1618 1618  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1619 1619  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.
1620 1620  
1621 -
1622 1622  (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1623 1623  
1624 1624  (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
... ... @@ -1633,14 +1633,10 @@
1633 1633  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1634 1634  
1635 1635  
1636 -
1637 -
1638 1638  = 5. Battery & How to replace =
1639 1639  
1640 -
1641 1641  == 5.1 Battery Type ==
1642 1642  
1643 -
1644 1644  (((
1645 1645  (((
1646 1646  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.
... ... @@ -1661,10 +1661,8 @@
1661 1661  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1662 1662  
1663 1663  
1664 -
1665 1665  == 5.2 Replace Battery ==
1666 1666  
1667 -
1668 1668  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.
1669 1669  
1670 1670  [[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"]]
... ... @@ -1672,7 +1672,6 @@
1672 1672  
1673 1673  == 5.3 Battery Life Analyze ==
1674 1674  
1675 -
1676 1676  (((
1677 1677  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:
1678 1678  [[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]]
... ... @@ -1690,10 +1690,8 @@
1690 1690  
1691 1691  = 6. FAQ =
1692 1692  
1693 -
1694 1694  == 6.1 How to use AT Command? ==
1695 1695  
1696 -
1697 1697  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.
1698 1698  
1699 1699  [[image:image-20220530085651-1.png||_mstalt="429949"]]
... ... @@ -1912,43 +1912,40 @@
1912 1912  AT+PID:  Get or set the PID
1913 1913  
1914 1914  
1915 -
1916 1916  == 6.2 Where to use AT commands and Downlink commands ==
1917 1917  
1695 +(% _msthash="506131" _msttexthash="14585714" %)
1696 +AT commands：
1918 1918  
1919 -**AT commands：**
1920 -
1921 1921  [[image:image-20220620153708-1.png||height="603" width="723"]]
1922 1922  
1700 +(% _msthash="506132" _msttexthash="337922" %)
1701 +Downlink commands:
1923 1923  
1924 -**Downlink commands:**
1925 1925  
1704 +(% _msthash="506133" _msttexthash="33046" %)
1705 +**TTN:**
1926 1926  
1927 -
1928 -(% style="color:blue" %)**TTN:**
1929 -
1930 1930  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1931 1931  
1932 1932  
1710 +(% _msthash="506134" _msttexthash="11113791" %)
1711 +**Helium：**
1933 1933  
1934 -(% style="color:blue" %)**Helium：**
1935 -
1936 1936  [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1937 1937  
1938 1938  
1716 +(% _msthash="506135" _msttexthash="4159844" %)
1717 +**Chirpstack:The downlink window will not be displayed until the network is accessed**
1939 1939  
1940 -(% style="color:blue" %)**Chirpstack: The downlink window will not be displayed until the network is accessed**
1941 -
1942 -
1943 1943  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1944 1944  
1945 -
1946 1946  [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1947 1947  
1948 1948  
1724 +(% _msthash="506136" _msttexthash="39286" %)
1725 +**Aws:**
1949 1949  
1950 -(% style="color:blue" %)**Aws:**
1951 -
1952 1952  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1953 1953  
1954 1954  
... ... @@ -1955,7 +1955,6 @@
1955 1955  
1956 1956  == 6.3 How to change the uplink interval？ ==
1957 1957  
1958 -
1959 1959  [[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"]]
1960 1960  
1961 1961  
... ... @@ -1962,7 +1962,6 @@
1962 1962  
1963 1963  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1964 1964  
1965 -
1966 1966  [[image:image-20220615153355-1.png]]
1967 1967  
1968 1968  [[image:1655802313617-381.png]]
... ... @@ -2019,16 +2019,13 @@
2019 2019  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
2020 2020  
2021 2021  
2022 -
2023 2023  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
2024 2024  
2025 -
2026 2026  [[image:image-20220623110706-1.png]]
2027 2027  
2028 2028  
2029 2029  [[image:image-20220623112117-4.png||height="459" width="343"]]
2030 2030  
2031 -
2032 2032  (((
2033 2033  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.
2034 2034  )))
... ... @@ -2039,13 +2039,10 @@
2039 2039  [[image:image-20220615154519-3.png||height="672" width="807"]]
2040 2040  
2041 2041  
2042 -
2043 2043  == 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
2044 2044  
2045 -
2046 2046  [[image:image-20220623110706-1.png]]
2047 2047  
2048 -
2049 2049  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
2050 2050  
2051 2051  [[image:image-20220615170542-5.png]]
... ... @@ -2062,7 +2062,6 @@
2062 2062  (% _msthash="506146" _msttexthash="52173160" %)
2063 2063  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
2064 2064  
2065 -
2066 2066  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
2067 2067  
2068 2068  [[image:image-20220615171334-6.png]]
... ... @@ -2079,7 +2079,6 @@
2079 2079  Finally,restart reset device again
2080 2080  
2081 2081  
2082 -
2083 2083  = 7. Order Info =
2084 2084  
2085 2085  
... ... @@ -2087,13 +2087,20 @@
2087 2087  
2088 2088  (% style="color:#4f81bd" %)**XX **(%%): The default frequency band
2089 2089  
2090 -* (% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1855 +(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1856 +
2091 2091  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1858 +
2092 2092  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1860 +
2093 2093  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1862 +
2094 2094  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1864 +
2095 2095  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1866 +
2096 2096  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1868 +
2097 2097  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2098 2098  
2099 2099  (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
... ... @@ -2101,8 +2101,6 @@
2101 2101  * (% style="color:red" %)**E3**(%%): External Temperature Probe
2102 2102  
2103 2103  
2104 -
2105 -
2106 2106  = 8. Packing Info =
2107 2107  
2108 2108  
... ... @@ -2117,24 +2117,15 @@
2117 2117  * Device Weight: 120.5g
2118 2118  
2119 2119  
2120 -
2121 -
2122 2122  = 9. Reference material =
2123 2123  
2124 -
2125 2125  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2126 2126  
2127 2127  
2128 -
2129 -
2130 2130  = 10. FCC Warning =
2131 2131  
2132 -
2133 2133  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2134 2134  
2135 2135  (1) This device may not cause harmful interference；
2136 2136  
2137 2137  (2) this device must accept any interference received, including interference that may cause undesired operation.
2138 -
2139 -
2140 -
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