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Last modified by Xiaoling on 2023/07/18 10:12
From version 201.1
edited by Bei Jinggeng
on 2022/09/27 13:34
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
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Bei
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  
... ... @@ -277,6 +277,8 @@
277 277  * The 7th byte (EXT #): defines the external sensor model.
278 278  * The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won't be these four bytes.)
279 279  
283 +
284 +
280 280  === 2.4.1 Decoder in TTN V3 ===
281 281  
282 282  
... ... @@ -309,6 +309,8 @@
309 309  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
310 310  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
311 311  
317 +
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  
... ... @@ -327,6 +327,8 @@
327 327  
328 328  * Humidity:    0x025C/10=60.4%
329 329  
339 +
340 +
330 330  === 2.4.5 Ext # ===
331 331  
332 332  
... ... @@ -338,7 +338,6 @@
338 338  
339 339  === 2.4.6 Ext value ===
340 340  
341 -
342 342  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
343 343  
344 344  
... ... @@ -485,6 +485,7 @@
485 485  * (% style="color:blue" %)**Unix Time Request**:(%%)  1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this)
486 486  
487 487  
498 +
488 488  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
489 489  
490 490  
... ... @@ -494,7 +494,7 @@
494 494  
495 495  sensor by setting:
496 496  
497 -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
498 498  
499 499  For example:
500 500  
... ... @@ -517,7 +517,6 @@
517 517  
518 518  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.
519 519  
520 -
521 521  1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
522 522  
523 523  [[image:image-20220628151005-5.png]]
... ... @@ -534,166 +534,6 @@
534 534  
535 535  
536 536  
537 -==== 2.4.6.4 Ext~=2 TMP117 Sensor （Since Firmware v1.3） ====
538 -
539 -[[image:image-20220927095645-1.png||height="534" width="460"]]
540 -
541 -**Ext=2,Temperature Sensor(TMP117)：**
542 -
543 -[[image:image-20220906102307-7.png]]
544 -
545 -
546 -(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
547 -
548 -The external cable NE2 can be use for MOD4 and MOD8
549 -
550 -
551 -
552 -
553 -==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
554 -
555 -
556 -(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
557 -
558 -
559 -(% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
560 -
561 -**Case 1: Door Sensor.** 3.3v Out for such sensor is just to detect Open/Close.
562 -
563 - In Open State, the power consumption is the same as if there is no probe
564 -
565 - In Close state, the power consumption will be 3uA higher than normal.
566 -
567 -[[image:image-20220906100852-1.png||height="205" width="377"]]
568 -
569 -
570 -Ext=4,Interrupt Sensor：
571 -
572 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
573 -|(% style="width:117px" %)(((
574 -AT+EXT=4,1
575 -)))|(% style="width:371px" %)(((
576 -Sent uplink packet in both rising and falling interrupt
577 -)))
578 -|(% style="width:117px" %)(((
579 -AT+EXT=4,2
580 -)))|(% style="width:371px" %)(((
581 -Sent uplink packet only in falling interrupt
582 -)))
583 -|(% style="width:117px" %)(((
584 -AT+EXT=4,3
585 -)))|(% style="width:371px" %)(((
586 -Sent uplink packet only in rising interrupt
587 -)))
588 -
589 -Trigger by falling edge:
590 -
591 -[[image:image-20220906101145-2.png]]
592 -
593 -
594 -Trigger by raising edge：
595 -
596 -[[image:image-20220906101145-3.png]]
597 -
598 -
599 -
600 -
601 -==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
602 -
603 -
604 -(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
605 -
606 -
607 -(% style="color:blue" %)**Case 1**(%%):  Low power consumption Flow Sensor, such flow sensor has pulse output and the power consumption in uA level and can be powered by LHT65N.
608 -
609 -[[image:image-20220906101320-4.png||height="366" width="698"]]
610 -
611 -
612 -(% style="color:blue" %)**Case 2**(%%):  Normal Flow Sensor: Such flow sensor has higher power consumption and is not suitable to be powered by LHT65N. It is powered by external power and output <3.3v pulse
613 -
614 -[[image:image-20220906101320-5.png||height="353" width="696"]]
615 -
616 -Ext=8, Counting Sensor ( 4 bytes)：
617 -
618 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
619 -|(% style="width:138px" %)(((
620 -AT+EXT=8,0
621 -)))|(% style="width:240px" %)(((
622 -Count at falling interrupt
623 -)))
624 -|(% style="width:138px" %)(((
625 -AT+EXT=8,1
626 -)))|(% style="width:240px" %)(((
627 -Count at rising interrupt
628 -)))
629 -|(% style="width:138px" %)(((
630 -AT+SETCNT=60
631 -)))|(% style="width:240px" %)(((
632 -Sent current count to 60
633 -)))
634 -
635 -[[image:image-20220906101320-6.png]]
636 -
637 -
638 -(% style="color:blue" %)**A2 downlink Command：**
639 -
640 -A2 02:  Same as AT+EXT=2 (AT+EXT= second byte)
641 -
642 -A2 06 01 F4:  Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
643 -
644 -A2 04 02:  Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
645 -
646 -A2 08 01 00:  Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
647 -
648 -A2 08 02 00 00 00 3C:  Same as AT+ SETCNT=60  (AT+ SETCNT = 4th byte and 5th byte and 6th byte and 7th byte)
649 -
650 -
651 -(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
652 -
653 -
654 -(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
655 -
656 -(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
657 -
658 -0): Cancel
659 -
660 -1): Threshold alarm
661 -
662 -2): Fluctuation alarm
663 -
664 -
665 -(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
666 -
667 -(% style="color:red" %)**Note: When the collection time is less than 60 seconds and always exceeds the set alarm threshold, the sending interval will not be the collection time, but will be sent every 60 seconds.**
668 -
669 -
670 -(% style="color:#037691" %) **Parameter 3 and parameter 4:**
671 -
672 -1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
673 -
674 -Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
675 -
676 -
677 -2):  If Alarm Mode is set to 2: Parameter 3 is valid, which represents the difference between the currently collected temperature and the last uploaded temperature.
678 -
679 -Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
680 -
681 -If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
682 -
683 -
684 -(% style="color:blue" %)** Downlink:**
685 -
686 -0xA5 00 ~-~- AT+WMOD=0.
687 -
688 -0xA5 01 0A 11 94 29 04 ~-~- AT+WMOD=1,10,45,105  (AT+WMOD = second byte, third byte, fourth and fifth bytes divided by 100, sixth and seventh bytes divided by 100 )
689 -
690 -0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
691 -
692 -0xA5 FF ~-~- After the device receives it, upload the current alarm configuration (FPORT=8). Such as 01 0A 11 94 29 04 or 02 0A 02.
693 -
694 -
695 -
696 -
697 697  == 2.5 Show data on Datacake ==
698 698  
699 699  
... ... @@ -757,7 +757,7 @@
757 757  There are two methods:
758 758  
759 759  1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
760 -1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will mark these records with non-ack message and store the sensor data, and it will send all messages (10s interval) after the network recovery. note: a) LHT65N will do ack check for data records sending to make sure every data arrive server. b) LHT65N will send data in CONFIRMED Mode when PNACKMD=1, but it won't re-transmit the same packet , it will just mark it as NONE-ACK and resend after network is detected.
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.
761 761  
762 762  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
763 763  
... ... @@ -978,6 +978,7 @@
978 978  )))
979 979  )))
980 980  
831 +
981 981  (% _mstvisible="1" %)
982 982  (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
983 983  
... ... @@ -1175,15 +1175,12 @@
1175 1175  
1176 1176  == 2.7 Alarm Mode ==
1177 1177  
1178 -
1179 1179  (((
1180 1180  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.
1181 1181  )))
1182 1182  
1183 1183  (((
1184 -(% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
1185 -
1186 -
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.
1187 1187  )))
1188 1188  
1189 1189  (((
... ... @@ -1228,10 +1228,8 @@
1228 1228  TEMPhigh=003C
1229 1229  
1230 1230  
1231 -
1232 1232  == 2.8 LED Indicator ==
1233 1233  
1234 -
1235 1235  The LHT65 has a triple color LED which for easy showing different stage .
1236 1236  
1237 1237  While user press ACT button, the LED will work as per LED status with ACT button.
... ... @@ -1246,7 +1246,6 @@
1246 1246  
1247 1247  == 2.9 installation ==
1248 1248  
1249 -
1250 1250  (% _mstvisible="1" %)
1251 1251  [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1252 1252  
... ... @@ -1254,13 +1254,10 @@
1254 1254  
1255 1255  = 3. Sensors and Accessories =
1256 1256  
1257 -
1258 1258  == 3.1 E2 Extension Cable ==
1259 1259  
1260 -
1261 1261  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1262 1262  
1263 -
1264 1264  **1m long breakout cable for LHT65N. Features:**
1265 1265  
1266 1266  * (((
... ... @@ -1277,9 +1277,6 @@
1277 1277  )))
1278 1278  * (((
1279 1279  Exposed All pins from the LHT65N Type-C connector.
1280 -
1281 -
1282 -
1283 1283  )))
1284 1284  
1285 1285  [[image:image-20220619092421-3.png||height="371" width="529"]]
... ... @@ -1301,9 +1301,9 @@
1301 1301  * Operating Range: -40 ~~ 125 °C
1302 1302  * Working voltage 2.35v ~~ 5v
1303 1303  
1143 +
1304 1304  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1305 1305  
1306 -
1307 1307  (((
1308 1308  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1309 1309  )))
... ... @@ -1348,13 +1348,10 @@
1348 1348  )))
1349 1349  
1350 1350  
1351 -
1352 1352  == 4.1 Set Transmit Interval Time ==
1353 1353  
1354 -
1355 1355  Feature: Change LoRaWAN End Node Transmit Interval.
1356 1356  
1357 -
1358 1358  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
1359 1359  
1360 1360  [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
... ... @@ -1373,10 +1373,8 @@
1373 1373  
1374 1374  == 4.2 Set External Sensor Mode ==
1375 1375  
1376 -
1377 1377  Feature: Change External Sensor Mode.
1378 1378  
1379 -
1380 1380  (% style="color:#4f81bd" %)**AT Command: AT+EXT**
1381 1381  
1382 1382  [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
... ... @@ -1397,7 +1397,6 @@
1397 1397  
1398 1398  == 4.3 Enable/Disable uplink Temperature probe ID ==
1399 1399  
1400 -
1401 1401  (((
1402 1402  Feature: If PID is enabled, device will send the temperature probe ID on:
1403 1403  )))
... ... @@ -1411,8 +1411,6 @@
1411 1411  
1412 1412  (((
1413 1413  PID is default set to disable (0)
1414 -
1415 -
1416 1416  )))
1417 1417  
1418 1418  (% style="color:#4f81bd" %)**AT Command:**
... ... @@ -1428,10 +1428,8 @@
1428 1428  
1429 1429  == 4.4 Set Password ==
1430 1430  
1431 -
1432 1432  Feature: Set device password, max 9 digits
1433 1433  
1434 -
1435 1435  (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1436 1436  
1437 1437  [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
... ... @@ -1445,10 +1445,8 @@
1445 1445  
1446 1446  == 4.5 Quit AT Command ==
1447 1447  
1448 -
1449 1449  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1450 1450  
1451 -
1452 1452  (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1453 1453  
1454 1454  [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
... ... @@ -1462,7 +1462,6 @@
1462 1462  
1463 1463  == 4.6 Set to sleep mode ==
1464 1464  
1465 -
1466 1466  Feature: Set device to sleep mode
1467 1467  
1468 1468  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
... ... @@ -1480,10 +1480,8 @@
1480 1480  
1481 1481  == 4.7 Set system time ==
1482 1482  
1483 -
1484 1484  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1485 1485  
1486 -
1487 1487  (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1488 1488  
1489 1489  [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
... ... @@ -1497,7 +1497,6 @@
1497 1497  
1498 1498  == 4.8 Set Time Sync Mode ==
1499 1499  
1500 -
1501 1501  (((
1502 1502  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1503 1503  )))
... ... @@ -1504,8 +1504,6 @@
1504 1504  
1505 1505  (((
1506 1506  SYNCMOD is set to 1 by default. If user want to set a different time from LoRaWAN server, user need to set this to 0.
1507 -
1508 -
1509 1509  )))
1510 1510  
1511 1511  (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
... ... @@ -1522,10 +1522,8 @@
1522 1522  
1523 1523  == 4.9 Set Time Sync Interval ==
1524 1524  
1525 -
1526 1526  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1527 1527  
1528 -
1529 1529  (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1530 1530  
1531 1531  [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
... ... @@ -1539,10 +1539,8 @@
1539 1539  
1540 1540  == 4.10 Print data entries base on page. ==
1541 1541  
1542 -
1543 1543  Feature: Print the sector data from start page to stop page (max is 416 pages).
1544 1544  
1545 -
1546 1546  (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1547 1547  
1548 1548  [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
... ... @@ -1556,10 +1556,8 @@
1556 1556  
1557 1557  == 4.11 Print last few data entries. ==
1558 1558  
1559 -
1560 1560  Feature: Print the last few data entries
1561 1561  
1562 -
1563 1563  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1564 1564  
1565 1565  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
... ... @@ -1573,7 +1573,6 @@
1573 1573  
1574 1574  == 4.12 Clear Flash Record ==
1575 1575  
1576 -
1577 1577  Feature: Clear flash storage for data log feature.
1578 1578  
1579 1579  
... ... @@ -1589,11 +1589,9 @@
1589 1589  
1590 1590  == 4.13 Auto Send None-ACK messages ==
1591 1591  
1592 -
1593 1593  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1594 1594  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.
1595 1595  
1596 -
1597 1597  (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1598 1598  
1599 1599  (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
... ... @@ -1610,10 +1610,8 @@
1610 1610  
1611 1611  = 5. Battery & How to replace =
1612 1612  
1613 -
1614 1614  == 5.1 Battery Type ==
1615 1615  
1616 -
1617 1617  (((
1618 1618  (((
1619 1619  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.
... ... @@ -1634,10 +1634,8 @@
1634 1634  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1635 1635  
1636 1636  
1637 -
1638 1638  == 5.2 Replace Battery ==
1639 1639  
1640 -
1641 1641  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.
1642 1642  
1643 1643  [[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"]]
... ... @@ -1645,7 +1645,6 @@
1645 1645  
1646 1646  == 5.3 Battery Life Analyze ==
1647 1647  
1648 -
1649 1649  (((
1650 1650  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:
1651 1651  [[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]]
... ... @@ -1663,10 +1663,8 @@
1663 1663  
1664 1664  = 6. FAQ =
1665 1665  
1666 -
1667 1667  == 6.1 How to use AT Command? ==
1668 1668  
1669 -
1670 1670  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.
1671 1671  
1672 1672  [[image:image-20220530085651-1.png||_mstalt="429949"]]
... ... @@ -1885,43 +1885,40 @@
1885 1885  AT+PID:  Get or set the PID
1886 1886  
1887 1887  
1888 -
1889 1889  == 6.2 Where to use AT commands and Downlink commands ==
1890 1890  
1695 +(% _msthash="506131" _msttexthash="14585714" %)
1696 +AT commands：
1891 1891  
1892 -**AT commands：**
1893 -
1894 1894  [[image:image-20220620153708-1.png||height="603" width="723"]]
1895 1895  
1700 +(% _msthash="506132" _msttexthash="337922" %)
1701 +Downlink commands:
1896 1896  
1897 -**Downlink commands:**
1898 1898  
1704 +(% _msthash="506133" _msttexthash="33046" %)
1705 +**TTN:**
1899 1899  
1900 -
1901 -(% style="color:blue" %)**TTN:**
1902 -
1903 1903  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1904 1904  
1905 1905  
1710 +(% _msthash="506134" _msttexthash="11113791" %)
1711 +**Helium：**
1906 1906  
1907 -(% style="color:blue" %)**Helium：**
1908 -
1909 1909  [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1910 1910  
1911 1911  
1716 +(% _msthash="506135" _msttexthash="4159844" %)
1717 +**Chirpstack:The downlink window will not be displayed until the network is accessed**
1912 1912  
1913 -(% style="color:blue" %)**Chirpstack: The downlink window will not be displayed until the network is accessed**
1914 -
1915 -
1916 1916  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1917 1917  
1918 -
1919 1919  [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1920 1920  
1921 1921  
1724 +(% _msthash="506136" _msttexthash="39286" %)
1725 +**Aws:**
1922 1922  
1923 -(% style="color:blue" %)**Aws:**
1924 -
1925 1925  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1926 1926  
1927 1927  
... ... @@ -1928,7 +1928,6 @@
1928 1928  
1929 1929  == 6.3 How to change the uplink interval？ ==
1930 1930  
1931 -
1932 1932  [[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"]]
1933 1933  
1934 1934  
... ... @@ -1935,7 +1935,6 @@
1935 1935  
1936 1936  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1937 1937  
1938 -
1939 1939  [[image:image-20220615153355-1.png]]
1940 1940  
1941 1941  [[image:1655802313617-381.png]]
... ... @@ -1992,16 +1992,13 @@
1992 1992  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1993 1993  
1994 1994  
1995 -
1996 1996  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1997 1997  
1998 -
1999 1999  [[image:image-20220623110706-1.png]]
2000 2000  
2001 2001  
2002 2002  [[image:image-20220623112117-4.png||height="459" width="343"]]
2003 2003  
2004 -
2005 2005  (((
2006 2006  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.
2007 2007  )))
... ... @@ -2012,13 +2012,10 @@
2012 2012  [[image:image-20220615154519-3.png||height="672" width="807"]]
2013 2013  
2014 2014  
2015 -
2016 2016  == 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
2017 2017  
2018 -
2019 2019  [[image:image-20220623110706-1.png]]
2020 2020  
2021 -
2022 2022  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
2023 2023  
2024 2024  [[image:image-20220615170542-5.png]]
... ... @@ -2035,7 +2035,6 @@
2035 2035  (% _msthash="506146" _msttexthash="52173160" %)
2036 2036  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
2037 2037  
2038 -
2039 2039  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
2040 2040  
2041 2041  [[image:image-20220615171334-6.png]]
... ... @@ -2052,7 +2052,6 @@
2052 2052  Finally,restart reset device again
2053 2053  
2054 2054  
2055 -
2056 2056  = 7. Order Info =
2057 2057  
2058 2058  
... ... @@ -2060,13 +2060,20 @@
2060 2060  
2061 2061  (% style="color:#4f81bd" %)**XX **(%%): The default frequency band
2062 2062  
2063 -* (% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1855 +(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1856 +
2064 2064  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1858 +
2065 2065  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1860 +
2066 2066  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1862 +
2067 2067  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1864 +
2068 2068  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1866 +
2069 2069  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1868 +
2070 2070  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2071 2071  
2072 2072  (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
... ... @@ -2090,18 +2090,13 @@
2090 2090  
2091 2091  = 9. Reference material =
2092 2092  
2093 -
2094 2094  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2095 2095  
2096 2096  
2097 2097  = 10. FCC Warning =
2098 2098  
2099 -
2100 2100  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2101 2101  
2102 2102  (1) This device may not cause harmful interference；
2103 2103  
2104 2104  (2) this device must accept any interference received, including interference that may cause undesired operation.
2105 -
2106 -
2107 -
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