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Last modified by Xiaoling on 2023/07/18 10:12
From version 198.2
edited by Xiaoling
on 2022/09/06 14:22
Change comment: There is no comment for this version
To version 198.1
edited by Bei Jinggeng
on 2022/09/06 10:35
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
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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  
... ... @@ -65,7 +65,7 @@
65 65  == 1.3 Specification ==
66 66  
67 67  
68 -(% style="color:#037691" %)**Built-in Temperature Sensor:**
66 +**Built-in Temperature Sensor:**
69 69  
70 70  * Resolution: 0.01 °C
71 71  * Accuracy Tolerance : Typ ±0.3 °C
... ... @@ -72,7 +72,7 @@
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:**
73 +**Built-in Humidity Sensor:**
76 76  
77 77  * Resolution: 0.04 %RH
78 78  * Accuracy Tolerance : Typ ±3 %RH
... ... @@ -79,7 +79,7 @@
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:**
80 +**External Temperature Sensor:**
83 83  
84 84  * Resolution: 0.0625 °C
85 85  * ±0.5°C accuracy from -10°C to +85°C
... ... @@ -89,7 +89,6 @@
89 89  
90 90  = 2. Connect LHT65N to IoT Server =
91 91  
92 -
93 93  == 2.1 How does LHT65N work? ==
94 94  
95 95  
... ... @@ -278,7 +278,6 @@
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  
280 280  
281 -
282 282  === 2.4.1 Decoder in TTN V3 ===
283 283  
284 284  
... ... @@ -312,7 +312,6 @@
312 312  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
313 313  
314 314  
315 -
316 316  === 2.4.3 Built-in Temperature ===
317 317  
318 318  
... ... @@ -320,13 +320,11 @@
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℃
327 327  
328 328  
329 -
330 330  === 2.4.4 Built-in Humidity ===
331 331  
332 332  
... ... @@ -335,7 +335,6 @@
335 335  * Humidity:    0x025C/10=60.4%
336 336  
337 337  
338 -
339 339  === 2.4.5 Ext # ===
340 340  
341 341  
... ... @@ -494,8 +494,6 @@
494 494  * (% 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)
495 495  
496 496  
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**
498 +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]]
... ... @@ -544,32 +544,29 @@
544 544  [[image:image-20220628151143-7.png]]
545 545  
546 546  
536 +==== ====
547 547  
548 548  ==== 2.4.6.4 Ext~=2 TMP117 Sensor （since v1.3） ====
549 549  
540 +Ext=2,Temperature Sensor(TMP117)：
550 550  
551 -**Ext=2,Temperature Sensor(TMP117)：**
552 -
553 553  [[image:image-20220906102307-7.png]]
554 554  
555 555  
556 -(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
545 +**Interrupt Mode and Counting Mode**
557 557  
558 558  The external cable NE2 can be use for MOD4 and MOD8
559 559  
560 560  
561 561  
562 -
563 563  ==== 2.4.6.5 Ext~=4 Interrupt Mode （since v1.3） ====
564 564  
553 +**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
565 565  
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.**
555 +**Interrupt Mode can be used to connect to external interrupt sensors such as:**
567 567  
557 +Case 1:Door Sensor. 3.3v Out for such sensor is just to detect Open/Close.
568 568  
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 -
573 573   In Open State, the power consumption is the same as if there is no probe
574 574  
575 575   In Close state, the power consumption will be 3uA higher than normal.
... ... @@ -576,23 +576,22 @@
576 576  
577 577  [[image:image-20220906100852-1.png||height="205" width="377"]]
578 578  
579 -
580 580  Ext=4,Interrupt Sensor：
581 581  
582 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
583 -|(% style="width:117px" %)(((
567 +(% border="8" cellpadding="4" cellspacing="4" style="height:8px; width:662px" %)
568 +|(((
584 584  AT+EXT=4,1
585 -)))|(% style="width:371px" %)(((
570 +)))|(% style="width:503px" %)(((
586 586  Sent uplink packet in both rising and falling interrupt
587 587  )))
588 -|(% style="width:117px" %)(((
573 +|(((
589 589  AT+EXT=4,2
590 -)))|(% style="width:371px" %)(((
575 +)))|(% style="width:503px" %)(((
591 591  Sent uplink packet only in falling interrupt
592 592  )))
593 -|(% style="width:117px" %)(((
578 +|(((
594 594  AT+EXT=4,3
595 -)))|(% style="width:371px" %)(((
580 +)))|(% style="width:503px" %)(((
596 596  Sent uplink packet only in rising interrupt
597 597  )))
598 598  
... ... @@ -606,65 +606,66 @@
606 606  [[image:image-20220906101145-3.png]]
607 607  
608 608  
594 +==== ====
609 609  
610 -
611 611  ==== 2.4.6.6 Ext~=8 Counting Mode（since v1.3） ====
612 612  
598 +**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
613 613  
614 -(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
615 615  
601 +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.
616 616  
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 -
619 619  [[image:image-20220906101320-4.png||height="366" width="698"]]
620 620  
605 +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
621 621  
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 -
624 624  [[image:image-20220906101320-5.png||height="353" width="696"]]
625 625  
626 626  Ext=8, Counting Sensor ( 4 bytes)：
627 627  
628 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
629 -|(% style="width:138px" %)(((
611 +(% border="8" cellpadding="4" cellspacing="4" style="height:8px; width:662px" %)
612 +|(((
630 630  AT+EXT=8,0
631 -)))|(% style="width:240px" %)(((
614 +)))|(% style="width:503px" %)(((
632 632  Count at falling interrupt
633 633  )))
634 -|(% style="width:138px" %)(((
617 +|(((
635 635  AT+EXT=8,1
636 -)))|(% style="width:240px" %)(((
619 +)))|(% style="width:503px" %)(((
637 637  Count at rising interrupt
638 638  )))
639 -|(% style="width:138px" %)(((
622 +|(((
640 640  AT+SETCNT=60
641 -)))|(% style="width:240px" %)(((
624 +)))|(% style="width:503px" %)(((
642 642  Sent current count to 60
643 643  )))
644 644  
628 +
645 645  [[image:image-20220906101320-6.png]]
646 646  
647 647  
648 -(% style="color:blue" %)**A2 downlink Command：**
632 +A2 downlink Command：
649 649  
650 -A2 02:  Same as AT+EXT=2 (AT+EXT= second byte)
634 +A2 02: Same as AT+EXT=2 (AT+EXT= second byte)
651 651  
652 -A2 06 01 F4:  Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
636 +A2 06 01 F4: Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
653 653  
654 -A2 04 02:  Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
638 +A2 04 02: Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
655 655  
656 -A2 08 01 00:  Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
640 +A2 08 01 00: Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
657 657  
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)
642 +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)
659 659  
660 660  
661 -(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
662 662  
663 663  
664 -(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
647 +**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
665 665  
666 -(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
667 667  
650 +AT+WMOD=parameter1,parameter2,parameter3,parameter4
651 +
652 +Parameter 1: Alarm mode:
653 +
668 668  0): Cancel
669 669  
670 670  1): Threshold alarm
... ... @@ -672,19 +672,19 @@
672 672  2): Fluctuation alarm
673 673  
674 674  
675 -(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
661 +Parameter 2: Sampling time. Unit: seconds, up to 255 seconds.
676 676  
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.**
663 +**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.**
678 678  
679 679  
680 -(% style="color:#037691" %) **Parameter 3 and parameter 4:**
666 +Parameter 3 and parameter 4:
681 681  
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.
668 +1):If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
683 683  
684 684  Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
685 685  
686 686  
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.
673 +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.
688 688  
689 689  Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
690 690  
... ... @@ -691,7 +691,7 @@
691 691  If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
692 692  
693 693  
694 -(% style="color:blue" %)** Downlink:**
680 +Downlink:
695 695  
696 696  0xA5 00 ~-~- AT+WMOD=0.
697 697  
... ... @@ -702,8 +702,6 @@
702 702  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.
703 703  
704 704  
705 -
706 -
707 707  == 2.5 Show data on Datacake ==
708 708  
709 709  
... ... @@ -1253,6 +1253,7 @@
1253 1253  * RED LED when external sensor is not connected
1254 1254  * For each success downlink, the PURPLE LED will blink once
1255 1255  
1240 +
1256 1256  == 2.9 installation ==
1257 1257  
1258 1258  
... ... @@ -1309,6 +1309,7 @@
1309 1309  * Operating Range: -40 ~~ 125 °C
1310 1310  * Working voltage 2.35v ~~ 5v
1311 1311  
1297 +
1312 1312  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1313 1313  
1314 1314  
... ... @@ -1378,6 +1378,7 @@
1378 1378  
1379 1379  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1380 1380  
1367 +
1381 1381  == 4.2 Set External Sensor Mode ==
1382 1382  
1383 1383  
... ... @@ -1401,6 +1401,7 @@
1401 1401  
1402 1402  * 0xA20702003c: Same as AT+SETCNT=60
1403 1403  
1391 +
1404 1404  == 4.3 Enable/Disable uplink Temperature probe ID ==
1405 1405  
1406 1406  
... ... @@ -1431,6 +1431,7 @@
1431 1431  * **0xA800**  **~-~->** AT+PID=0
1432 1432  * **0xA801**     **~-~->** AT+PID=1
1433 1433  
1422 +
1434 1434  == 4.4 Set Password ==
1435 1435  
1436 1436  
... ... @@ -1482,6 +1482,7 @@
1482 1482  
1483 1483  * There is no downlink command to set to Sleep mode.
1484 1484  
1474 +
1485 1485  == 4.7 Set system time ==
1486 1486  
1487 1487  
... ... @@ -1590,6 +1590,7 @@
1590 1590  
1591 1591  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1592 1592  
1583 +
1593 1593  == 4.13 Auto Send None-ACK messages ==
1594 1594  
1595 1595  
... ... @@ -1610,6 +1610,7 @@
1610 1610  
1611 1611  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1612 1612  
1604 +
1613 1613  = 5. Battery & How to replace =
1614 1614  
1615 1615  == 5.1 Battery Type ==