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Last modified by Xiaoling on 2023/07/18 10:12
From version 200.1
edited by Bei Jinggeng
on 2022/09/27 09:56
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

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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  
... ... @@ -62,11 +62,10 @@
62 62  * Datalog feature (Max 3328 records)
63 63  
64 64  
65 -
66 66  == 1.3 Specification ==
67 67  
68 68  
69 -(% style="color:#037691" %)**Built-in Temperature Sensor:**
66 +**Built-in Temperature Sensor:**
70 70  
71 71  * Resolution: 0.01 °C
72 72  * Accuracy Tolerance : Typ ±0.3 °C
... ... @@ -73,7 +73,7 @@
73 73  * Long Term Drift: < 0.02 °C/yr
74 74  * Operating Range: -40 ~~ 85 °C
75 75  
76 -(% style="color:#037691" %)**Built-in Humidity Sensor:**
73 +**Built-in Humidity Sensor:**
77 77  
78 78  * Resolution: 0.04 %RH
79 79  * Accuracy Tolerance : Typ ±3 %RH
... ... @@ -80,7 +80,7 @@
80 80  * Long Term Drift: < 0.02 °C/yr
81 81  * Operating Range: 0 ~~ 96 %RH
82 82  
83 -(% style="color:#037691" %)**External Temperature Sensor:**
80 +**External Temperature Sensor:**
84 84  
85 85  * Resolution: 0.0625 °C
86 86  * ±0.5°C accuracy from -10°C to +85°C
... ... @@ -88,10 +88,8 @@
88 88  * Operating Range: -55 °C ~~ 125 °C
89 89  
90 90  
91 -
92 92  = 2. Connect LHT65N to IoT Server =
93 93  
94 -
95 95  == 2.1 How does LHT65N work? ==
96 96  
97 97  
... ... @@ -491,7 +491,6 @@
491 491  * (% 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)
492 492  
493 493  
494 -
495 495  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
496 496  
497 497  
... ... @@ -501,7 +501,7 @@
501 501  
502 502  sensor by setting:
503 503  
504 -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
505 505  
506 506  For example:
507 507  
... ... @@ -524,7 +524,6 @@
524 524  
525 525  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.
526 526  
527 -
528 528  1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
529 529  
530 530  [[image:image-20220628151005-5.png]]
... ... @@ -540,33 +540,29 @@
540 540  [[image:image-20220628151143-7.png]]
541 541  
542 542  
536 +==== ====
543 543  
544 544  ==== 2.4.6.4 Ext~=2 TMP117 Sensor （since v1.3） ====
545 545  
546 -[[image:image-20220927095645-1.png||height="534" width="460"]]
540 +Ext=2,Temperature Sensor(TMP117)：
547 547  
548 -**Ext=2,Temperature Sensor(TMP117)：**
549 -
550 550  [[image:image-20220906102307-7.png]]
551 551  
552 552  
553 -(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
545 +**Interrupt Mode and Counting Mode**
554 554  
555 555  The external cable NE2 can be use for MOD4 and MOD8
556 556  
557 557  
558 558  
559 -
560 560  ==== 2.4.6.5 Ext~=4 Interrupt Mode （since v1.3） ====
561 561  
553 +**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
562 562  
563 -(% 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:**
564 564  
557 +Case 1:Door Sensor. 3.3v Out for such sensor is just to detect Open/Close.
565 565  
566 -(% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
567 -
568 -**Case 1: Door Sensor.** 3.3v Out for such sensor is just to detect Open/Close.
569 -
570 570   In Open State, the power consumption is the same as if there is no probe
571 571  
572 572   In Close state, the power consumption will be 3uA higher than normal.
... ... @@ -573,23 +573,22 @@
573 573  
574 574  [[image:image-20220906100852-1.png||height="205" width="377"]]
575 575  
576 -
577 577  Ext=4,Interrupt Sensor：
578 578  
579 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
580 -|(% style="width:117px" %)(((
567 +(% border="8" cellpadding="4" cellspacing="4" style="height:8px; width:662px" %)
568 +|(((
581 581  AT+EXT=4,1
582 -)))|(% style="width:371px" %)(((
570 +)))|(% style="width:503px" %)(((
583 583  Sent uplink packet in both rising and falling interrupt
584 584  )))
585 -|(% style="width:117px" %)(((
573 +|(((
586 586  AT+EXT=4,2
587 -)))|(% style="width:371px" %)(((
575 +)))|(% style="width:503px" %)(((
588 588  Sent uplink packet only in falling interrupt
589 589  )))
590 -|(% style="width:117px" %)(((
578 +|(((
591 591  AT+EXT=4,3
592 -)))|(% style="width:371px" %)(((
580 +)))|(% style="width:503px" %)(((
593 593  Sent uplink packet only in rising interrupt
594 594  )))
595 595  
... ... @@ -603,65 +603,66 @@
603 603  [[image:image-20220906101145-3.png]]
604 604  
605 605  
594 +==== ====
606 606  
607 -
608 608  ==== 2.4.6.6 Ext~=8 Counting Mode（since v1.3） ====
609 609  
598 +**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
610 610  
611 -(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
612 612  
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.
613 613  
614 -(% 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.
615 -
616 616  [[image:image-20220906101320-4.png||height="366" width="698"]]
617 617  
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
618 618  
619 -(% 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
620 -
621 621  [[image:image-20220906101320-5.png||height="353" width="696"]]
622 622  
623 623  Ext=8, Counting Sensor ( 4 bytes)：
624 624  
625 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
626 -|(% style="width:138px" %)(((
611 +(% border="8" cellpadding="4" cellspacing="4" style="height:8px; width:662px" %)
612 +|(((
627 627  AT+EXT=8,0
628 -)))|(% style="width:240px" %)(((
614 +)))|(% style="width:503px" %)(((
629 629  Count at falling interrupt
630 630  )))
631 -|(% style="width:138px" %)(((
617 +|(((
632 632  AT+EXT=8,1
633 -)))|(% style="width:240px" %)(((
619 +)))|(% style="width:503px" %)(((
634 634  Count at rising interrupt
635 635  )))
636 -|(% style="width:138px" %)(((
622 +|(((
637 637  AT+SETCNT=60
638 -)))|(% style="width:240px" %)(((
624 +)))|(% style="width:503px" %)(((
639 639  Sent current count to 60
640 640  )))
641 641  
628 +
642 642  [[image:image-20220906101320-6.png]]
643 643  
644 644  
645 -(% style="color:blue" %)**A2 downlink Command：**
632 +A2 downlink Command：
646 646  
647 -A2 02:  Same as AT+EXT=2 (AT+EXT= second byte)
634 +A2 02: Same as AT+EXT=2 (AT+EXT= second byte)
648 648  
649 -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)
650 650  
651 -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)
652 652  
653 -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)
654 654  
655 -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)
656 656  
657 657  
658 -(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
659 659  
660 660  
661 -(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
647 +**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
662 662  
663 -(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
664 664  
650 +AT+WMOD=parameter1,parameter2,parameter3,parameter4
651 +
652 +Parameter 1: Alarm mode:
653 +
665 665  0): Cancel
666 666  
667 667  1): Threshold alarm
... ... @@ -669,19 +669,19 @@
669 669  2): Fluctuation alarm
670 670  
671 671  
672 -(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
661 +Parameter 2: Sampling time. Unit: seconds, up to 255 seconds.
673 673  
674 -(% 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.**
675 675  
676 676  
677 -(% style="color:#037691" %) **Parameter 3 and parameter 4:**
666 +Parameter 3 and parameter 4:
678 678  
679 -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.
680 680  
681 681  Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
682 682  
683 683  
684 -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.
685 685  
686 686  Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
687 687  
... ... @@ -688,7 +688,7 @@
688 688  If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
689 689  
690 690  
691 -(% style="color:blue" %)** Downlink:**
680 +Downlink:
692 692  
693 693  0xA5 00 ~-~- AT+WMOD=0.
694 694  
... ... @@ -699,8 +699,6 @@
699 699  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.
700 700  
701 701  
702 -
703 -
704 704  == 2.5 Show data on Datacake ==
705 705  
706 706  
... ... @@ -1251,7 +1251,6 @@
1251 1251  * For each success downlink, the PURPLE LED will blink once
1252 1252  
1253 1253  
1254 -
1255 1255  == 2.9 installation ==
1256 1256  
1257 1257  
... ... @@ -1262,7 +1262,6 @@
1262 1262  
1263 1263  = 3. Sensors and Accessories =
1264 1264  
1265 -
1266 1266  == 3.1 E2 Extension Cable ==
1267 1267  
1268 1268  
... ... @@ -1380,7 +1380,6 @@
1380 1380  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1381 1381  
1382 1382  
1383 -
1384 1384  == 4.2 Set External Sensor Mode ==
1385 1385  
1386 1386  
... ... @@ -1405,7 +1405,6 @@
1405 1405  * 0xA20702003c: Same as AT+SETCNT=60
1406 1406  
1407 1407  
1408 -
1409 1409  == 4.3 Enable/Disable uplink Temperature probe ID ==
1410 1410  
1411 1411  
... ... @@ -1437,7 +1437,6 @@
1437 1437  * **0xA801**     **~-~->** AT+PID=1
1438 1438  
1439 1439  
1440 -
1441 1441  == 4.4 Set Password ==
1442 1442  
1443 1443  
... ... @@ -1490,7 +1490,6 @@
1490 1490  * There is no downlink command to set to Sleep mode.
1491 1491  
1492 1492  
1493 -
1494 1494  == 4.7 Set system time ==
1495 1495  
1496 1496  
... ... @@ -1600,7 +1600,6 @@
1600 1600  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1601 1601  
1602 1602  
1603 -
1604 1604  == 4.13 Auto Send None-ACK messages ==
1605 1605  
1606 1606  
... ... @@ -1622,10 +1622,8 @@
1622 1622  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1623 1623  
1624 1624  
1625 -
1626 1626  = 5. Battery & How to replace =
1627 1627  
1628 -
1629 1629  == 5.1 Battery Type ==
1630 1630  
1631 1631  
... ... @@ -2075,13 +2075,20 @@
2075 2075  
2076 2076  (% style="color:#4f81bd" %)**XX **(%%): The default frequency band
2077 2077  
2078 -* (% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2056 +(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2057 +
2079 2079  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2059 +
2080 2080  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2061 +
2081 2081  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2063 +
2082 2082  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2065 +
2083 2083  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2067 +
2084 2084  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
2069 +
2085 2085  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2086 2086  
2087 2087  (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
... ... @@ -2088,8 +2088,6 @@
2088 2088  
2089 2089  * (% style="color:red" %)**E3**(%%): External Temperature Probe
2090 2090  
2091 -
2092 -
2093 2093  = 8. Packing Info =
2094 2094  
2095 2095  
... ... @@ -2103,15 +2103,11 @@
2103 2103  * Device Size:  10 x 10 x 3.5 cm
2104 2104  * Device Weight: 120.5g
2105 2105  
2106 -
2107 -
2108 2108  = 9. Reference material =
2109 2109  
2110 2110  
2111 2111  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2112 2112  
2113 -
2114 -
2115 2115  = 10. FCC Warning =
2116 2116  
2117 2117  
... ... @@ -2120,6 +2120,3 @@
2120 2120  (1) This device may not cause harmful interference；
2121 2121  
2122 2122  (2) this device must accept any interference received, including interference that may cause undesired operation.
2123 -
2124 -
2125 -
image-20220927095645-1.png
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1 -XWiki.Bei
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