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Last modified by Xiaoling on 2023/07/18 10:12
From version 189.11
edited by Xiaoling
on 2022/08/08 16:54
Change comment: There is no comment for this version
To version 205.1
edited by Edwin Chen
on 2022/10/11 18:16
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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16 16  
17 17  = 1. Introduction =
18 18  
19 +
19 19  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
20 20  
21 21  
... ... @@ -44,6 +44,7 @@
44 44  )))
45 45  
46 46  
48 +
47 47  == 1.2 Features ==
48 48  
49 49  
... ... @@ -57,12 +57,12 @@
57 57  * Built-in Temperature & Humidity sensor
58 58  * Optional External Sensors
59 59  * Tri-color LED to indicate working status
60 -* Datalog feature
62 +* Datalog feature (Max 3328 records)
61 61  
62 62  == 1.3 Specification ==
63 63  
64 64  
65 -**Built-in Temperature Sensor:**
67 +(% style="color:#037691" %)**Built-in Temperature Sensor:**
66 66  
67 67  * Resolution: 0.01 °C
68 68  * Accuracy Tolerance : Typ ±0.3 °C
... ... @@ -69,7 +69,7 @@
69 69  * Long Term Drift: < 0.02 °C/yr
70 70  * Operating Range: -40 ~~ 85 °C
71 71  
72 -**Built-in Humidity Sensor:**
74 +(% style="color:#037691" %)**Built-in Humidity Sensor:**
73 73  
74 74  * Resolution: 0.04 %RH
75 75  * Accuracy Tolerance : Typ ±3 %RH
... ... @@ -76,7 +76,7 @@
76 76  * Long Term Drift: < 0.02 °C/yr
77 77  * Operating Range: 0 ~~ 96 %RH
78 78  
79 -**External Temperature Sensor:**
81 +(% style="color:#037691" %)**External Temperature Sensor:**
80 80  
81 81  * Resolution: 0.0625 °C
82 82  * ±0.5°C accuracy from -10°C to +85°C
... ... @@ -85,6 +85,7 @@
85 85  
86 86  = 2. Connect LHT65N to IoT Server =
87 87  
90 +
88 88  == 2.1 How does LHT65N work? ==
89 89  
90 90  
... ... @@ -129,6 +129,7 @@
129 129  (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
130 130  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.
131 131  
135 +
132 132  (% _mstvisible="1" class="wikigeneratedid" %)
133 133  [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
134 134  
... ... @@ -333,6 +333,7 @@
333 333  
334 334  === 2.4.6 Ext value ===
335 335  
340 +
336 336  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
337 337  
338 338  
... ... @@ -487,7 +487,7 @@
487 487  
488 488  sensor by setting:
489 489  
490 -AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
495 +AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)**Time to power this sensor, from 0 ~~ 65535ms**
491 491  
492 492  For example:
493 493  
... ... @@ -510,6 +510,7 @@
510 510  
511 511  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.
512 512  
518 +
513 513  1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
514 514  
515 515  [[image:image-20220628151005-5.png]]
... ... @@ -526,6 +526,168 @@
526 526  
527 527  
528 528  
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 +
529 529  == 2.5 Show data on Datacake ==
530 530  
531 531  
... ... @@ -588,11 +588,19 @@
588 588  
589 589  There are two methods:
590 590  
591 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
592 -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.
759 +**Method 1**: IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specified time range.
593 593  
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 +
594 594  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
595 595  
771 +
596 596  [[image:image-20220703111700-2.png||height="381" width="1119"]]
597 597  
598 598  
... ... @@ -814,15 +814,18 @@
814 814  (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
815 815  
816 816  (% _mstvisible="1" %)
817 -[[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
818 -
819 -(% _mstvisible="1" %)
820 820  (((
821 821  (% _mstvisible="2" %)
822 822  (((
823 823  (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
824 824  (((
825 -Poll Message Flag: 1: This message is a poll message reply.
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 +
826 826  )))
827 827  )))
828 828  )))
... ... @@ -963,6 +963,7 @@
963 963  (% _mstvisible="1" %)
964 964  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
965 965  
1145 +
966 966  (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
967 967  (((
968 968  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
... ... @@ -1085,6 +1085,7 @@
1085 1085  
1086 1086  = 3. Sensors and Accessories =
1087 1087  
1268 +
1088 1088  == 3.1 E2 Extension Cable ==
1089 1089  
1090 1090  
... ... @@ -1317,7 +1317,7 @@
1317 1317  
1318 1318  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1319 1319  
1320 -0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1501 +0x306007806000  ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1321 1321  
1322 1322  
1323 1323  
... ... @@ -1341,8 +1341,8 @@
1341 1341  
1342 1342  (% style="color:#4f81bd" %)**Downlink Command:**
1343 1343  
1344 -0x28 01 ~/~/ Same As AT+SYNCMOD=1
1345 -0x28 00 ~/~/ Same As AT+SYNCMOD=0
1525 +0x28 01  ~/~/  Same As AT+SYNCMOD=1
1526 +0x28 00  ~/~/  Same As AT+SYNCMOD=0
1346 1346  
1347 1347  
1348 1348  
... ... @@ -1434,6 +1434,7 @@
1434 1434  
1435 1435  = 5. Battery & How to replace =
1436 1436  
1618 +
1437 1437  == 5.1 Battery Type ==
1438 1438  
1439 1439  
... ... @@ -1500,7 +1500,6 @@
1500 1500  * (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1501 1501  * (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1502 1502  * (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1503 -* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1504 1504  
1505 1505  (((
1506 1506  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.
... ... @@ -1752,7 +1752,7 @@
1752 1752  == 6.3 How to change the uplink interval？ ==
1753 1753  
1754 1754  
1755 -[[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"]]
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);"]]
1756 1756  
1757 1757  
1758 1758  
... ... @@ -1786,6 +1786,7 @@
1786 1786  [[image:image-20220615170542-5.png]]
1787 1787  
1788 1788  
1970 +
1789 1789  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1790 1790  
1791 1791  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -1799,6 +1799,7 @@
1799 1799  [[image:image-20220621170938-2.png]]
1800 1800  
1801 1801  
1984 +
1802 1802  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1803 1803  
1804 1804  [[image:image-20220615171334-6.png]]
... ... @@ -1847,6 +1847,7 @@
1847 1847  [[image:image-20220615170542-5.png]]
1848 1848  
1849 1849  
2033 +
1850 1850  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1851 1851  
1852 1852  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -1859,6 +1859,7 @@
1859 1859  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1860 1860  
1861 1861  
2046 +
1862 1862  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1863 1863  
1864 1864  [[image:image-20220615171334-6.png]]
... ... @@ -1883,20 +1883,13 @@
1883 1883  
1884 1884  (% style="color:#4f81bd" %)**XX **(%%): The default frequency band
1885 1885  
1886 -(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1887 -
2071 +* (% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1888 1888  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1889 -
1890 1890  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1891 -
1892 1892  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1893 -
1894 1894  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1895 -
1896 1896  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1897 -
1898 1898  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1899 -
1900 1900  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1901 1901  
1902 1902  (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
... ... @@ -1903,9 +1903,6 @@
1903 1903  
1904 1904  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1905 1905  
1906 -
1907 -
1908 -
1909 1909  = 8. Packing Info =
1910 1910  
1911 1911  
... ... @@ -1919,17 +1919,11 @@
1919 1919  * Device Size:  10 x 10 x 3.5 cm
1920 1920  * Device Weight: 120.5g
1921 1921  
1922 -
1923 -
1924 -
1925 1925  = 9. Reference material =
1926 1926  
1927 1927  
1928 1928  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1929 1929  
1930 -
1931 -
1932 -
1933 1933  = 10. FCC Warning =
1934 1934  
1935 1935  
... ... @@ -1938,3 +1938,6 @@
1938 1938  (1) This device may not cause harmful interference；
1939 1939  
1940 1940  (2) this device must accept any interference received, including interference that may cause undesired operation.
2110 +
2111 +
2112 +
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