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Last modified by Xiaoling on 2023/07/18 10:12
From version 189.12
edited by Xiaoling
on 2022/08/08 17:01
Change comment: There is no comment for this version
To version 202.1
edited by Edwin Chen
on 2022/10/06 19:27
Change comment: Uploaded new attachment "image-20221006192726-1.png", version {1}

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  
... ... @@ -57,15 +57,14 @@
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  
63 63  
64 -
65 65  == 1.3 Specification ==
66 66  
67 67  
68 -**Built-in Temperature Sensor:**
69 +(% style="color:#037691" %)**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 -**Built-in Humidity Sensor:**
76 +(% style="color:#037691" %)**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 -**External Temperature Sensor:**
83 +(% style="color:#037691" %)**External Temperature Sensor:**
83 83  
84 84  * Resolution: 0.0625 °C
85 85  * ±0.5°C accuracy from -10°C to +85°C
... ... @@ -88,9 +88,9 @@
88 88  
89 89  
90 90  
91 -
92 92  = 2. Connect LHT65N to IoT Server =
93 93  
94 +
94 94  == 2.1 How does LHT65N work? ==
95 95  
96 96  
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135 135  (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
136 136  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.
137 137  
139 +
138 138  (% _mstvisible="1" class="wikigeneratedid" %)
139 139  [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
140 140  
... ... @@ -509,7 +509,7 @@
509 509  
510 510  sensor by setting:
511 511  
512 -AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
514 +AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)**Time to power this sensor, from 0 ~~ 65535ms**
513 513  
514 514  For example:
515 515  
... ... @@ -532,6 +532,7 @@
532 532  
533 533  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.
534 534  
537 +
535 535  1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
536 536  
537 537  [[image:image-20220628151005-5.png]]
... ... @@ -548,6 +548,168 @@
548 548  
549 549  
550 550  
554 +==== 2.4.6.4 Ext~=2 TMP117 Sensor （Since Firmware v1.3） ====
555 +
556 +
557 +[[image:image-20220927095645-1.png||height="534" width="460"]]
558 +
559 +
560 +**Ext=2,Temperature Sensor(TMP117)：**
561 +
562 +[[image:image-20220906102307-7.png]]
563 +
564 +
565 +(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
566 +
567 +The external cable NE2 can be use for MOD4 and MOD8
568 +
569 +
570 +
571 +
572 +==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
573 +
574 +
575 +(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
576 +
577 +
578 +(% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
579 +
580 +**Case 1: Door Sensor.** 3.3v Out for such sensor is just to detect Open/Close.
581 +
582 + In Open State, the power consumption is the same as if there is no probe
583 +
584 + In Close state, the power consumption will be 3uA higher than normal.
585 +
586 +[[image:image-20220906100852-1.png||height="205" width="377"]]
587 +
588 +
589 +Ext=4,Interrupt Sensor：
590 +
591 +(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
592 +|(% style="width:117px" %)(((
593 +AT+EXT=4,1
594 +)))|(% style="width:371px" %)(((
595 +Sent uplink packet in both rising and falling interrupt
596 +)))
597 +|(% style="width:117px" %)(((
598 +AT+EXT=4,2
599 +)))|(% style="width:371px" %)(((
600 +Sent uplink packet only in falling interrupt
601 +)))
602 +|(% style="width:117px" %)(((
603 +AT+EXT=4,3
604 +)))|(% style="width:371px" %)(((
605 +Sent uplink packet only in rising interrupt
606 +)))
607 +
608 +Trigger by falling edge:
609 +
610 +[[image:image-20220906101145-2.png]]
611 +
612 +
613 +Trigger by raising edge：
614 +
615 +[[image:image-20220906101145-3.png]]
616 +
617 +
618 +
619 +
620 +==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
621 +
622 +
623 +(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
624 +
625 +
626 +(% 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.
627 +
628 +[[image:image-20220906101320-4.png||height="366" width="698"]]
629 +
630 +
631 +(% 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
632 +
633 +[[image:image-20220906101320-5.png||height="353" width="696"]]
634 +
635 +Ext=8, Counting Sensor ( 4 bytes)：
636 +
637 +(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
638 +|(% style="width:138px" %)(((
639 +AT+EXT=8,0
640 +)))|(% style="width:240px" %)(((
641 +Count at falling interrupt
642 +)))
643 +|(% style="width:138px" %)(((
644 +AT+EXT=8,1
645 +)))|(% style="width:240px" %)(((
646 +Count at rising interrupt
647 +)))
648 +|(% style="width:138px" %)(((
649 +AT+SETCNT=60
650 +)))|(% style="width:240px" %)(((
651 +Sent current count to 60
652 +)))
653 +
654 +[[image:image-20220906101320-6.png]]
655 +
656 +
657 +(% style="color:blue" %)**A2 downlink Command：**
658 +
659 +A2 02:  Same as AT+EXT=2 (AT+EXT= second byte)
660 +
661 +A2 06 01 F4:  Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
662 +
663 +A2 04 02:  Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
664 +
665 +A2 08 01 00:  Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
666 +
667 +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)
668 +
669 +
670 +(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
671 +
672 +
673 +(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
674 +
675 +(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
676 +
677 +0): Cancel
678 +
679 +1): Threshold alarm
680 +
681 +2): Fluctuation alarm
682 +
683 +
684 +(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
685 +
686 +(% 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.**
687 +
688 +
689 +(% style="color:#037691" %) **Parameter 3 and parameter 4:**
690 +
691 +1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
692 +
693 +Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
694 +
695 +
696 +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.
697 +
698 +Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
699 +
700 +If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
701 +
702 +
703 +(% style="color:blue" %)** Downlink:**
704 +
705 +0xA5 00 ~-~- AT+WMOD=0.
706 +
707 +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 )
708 +
709 +0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
710 +
711 +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.
712 +
713 +
714 +
715 +
551 551  == 2.5 Show data on Datacake ==
552 552  
553 553  
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611 611  There are two methods:
612 612  
613 613  1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
614 -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.
779 +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.
615 615  
616 616  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
617 617  
783 +
618 618  [[image:image-20220703111700-2.png||height="381" width="1119"]]
619 619  
620 620  
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985 985  (% _mstvisible="1" %)
986 986  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
987 987  
1154 +
988 988  (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
989 989  (((
990 990  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
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1110 1110  
1111 1111  = 3. Sensors and Accessories =
1112 1112  
1280 +
1113 1113  == 3.1 E2 Extension Cable ==
1114 1114  
1115 1115  
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1357 1357  
1358 1358  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1359 1359  
1360 -0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1528 +0x306007806000  ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1361 1361  
1362 1362  
1363 1363  
... ... @@ -1381,8 +1381,8 @@
1381 1381  
1382 1382  (% style="color:#4f81bd" %)**Downlink Command:**
1383 1383  
1384 -0x28 01 ~/~/ Same As AT+SYNCMOD=1
1385 -0x28 00 ~/~/ Same As AT+SYNCMOD=0
1552 +0x28 01  ~/~/  Same As AT+SYNCMOD=1
1553 +0x28 00  ~/~/  Same As AT+SYNCMOD=0
1386 1386  
1387 1387  
1388 1388  
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1480 1480  
1481 1481  = 5. Battery & How to replace =
1482 1482  
1651 +
1483 1483  == 5.1 Battery Type ==
1484 1484  
1485 1485  
... ... @@ -1798,7 +1798,7 @@
1798 1798  == 6.3 How to change the uplink interval？ ==
1799 1799  
1800 1800  
1801 -[[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"]]
1970 +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);"]]
1802 1802  
1803 1803  
1804 1804  
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1832 1832  [[image:image-20220615170542-5.png]]
1833 1833  
1834 1834  
2004 +
1835 1835  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1836 1836  
1837 1837  (% _msthash="506146" _msttexthash="52173160" %)
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1845 1845  [[image:image-20220621170938-2.png]]
1846 1846  
1847 1847  
2018 +
1848 1848  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1849 1849  
1850 1850  [[image:image-20220615171334-6.png]]
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1893 1893  [[image:image-20220615170542-5.png]]
1894 1894  
1895 1895  
2067 +
1896 1896  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1897 1897  
1898 1898  (% _msthash="506146" _msttexthash="52173160" %)
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1905 1905  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1906 1906  
1907 1907  
2080 +
1908 1908  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1909 1909  
1910 1910  [[image:image-20220615171334-6.png]]
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1929 1929  
1930 1930  (% style="color:#4f81bd" %)**XX **(%%): The default frequency band
1931 1931  
1932 -(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1933 -
2105 +* (% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1934 1934  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1935 -
1936 1936  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1937 -
1938 1938  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1939 -
1940 1940  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1941 -
1942 1942  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1943 -
1944 1944  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1945 -
1946 1946  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1947 1947  
1948 1948  (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
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1951 1951  
1952 1952  
1953 1953  
2120 +
1954 1954  = 8. Packing Info =
1955 1955  
1956 1956  
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1966 1966  
1967 1967  
1968 1968  
2136 +
1969 1969  = 9. Reference material =
1970 1970  
1971 1971  
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1973 1973  
1974 1974  
1975 1975  
2144 +
1976 1976  = 10. FCC Warning =
1977 1977  
1978 1978  
... ... @@ -1981,3 +1981,6 @@
1981 1981  (1) This device may not cause harmful interference；
1982 1982  
1983 1983  (2) this device must accept any interference received, including interference that may cause undesired operation.
2153 +
2154 +
2155 +
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