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Last modified by Xiaoling on 2023/07/18 10:12
From version 203.1
edited by Edwin Chen
on 2022/10/06 19:30
Change comment: There is no comment for this version
To version 196.1
edited by Bei Jinggeng
on 2022/09/06 10:13
Change comment: Uploaded new attachment "image-20220906101320-6.png", version {1}

Summary

Details

Page properties
Author
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1 -XWiki.Edwin
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  
... ... @@ -62,10 +62,11 @@
62 62  * Datalog feature (Max 3328 records)
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
... ... @@ -72,7 +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:**
74 +**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:**
81 +**External Temperature Sensor:**
83 83  
84 84  * Resolution: 0.0625 °C
85 85  * ±0.5°C accuracy from -10°C to +85°C
... ... @@ -87,9 +87,9 @@
87 87  * Operating Range: -55 °C ~~ 125 °C
88 88  
89 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  
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134 134  (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
135 135  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.
136 136  
137 -
138 138  (% _mstvisible="1" class="wikigeneratedid" %)
139 139  [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
140 140  
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504 504  
505 505  sensor by setting:
506 506  
507 -AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)**Time to power this sensor, from 0 ~~ 65535ms**
505 +AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
508 508  
509 509  For example:
510 510  
... ... @@ -527,7 +527,6 @@
527 527  
528 528  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.
529 529  
530 -
531 531  1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
532 532  
533 533  [[image:image-20220628151005-5.png]]
... ... @@ -544,168 +544,6 @@
544 544  
545 545  
546 546  
547 -==== 2.4.6.4 Ext~=2 TMP117 Sensor （Since Firmware v1.3） ====
548 -
549 -
550 -[[image:image-20220927095645-1.png||height="534" width="460"]]
551 -
552 -
553 -**Ext=2,Temperature Sensor(TMP117)：**
554 -
555 -[[image:image-20220906102307-7.png]]
556 -
557 -
558 -(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
559 -
560 -The external cable NE2 can be use for MOD4 and MOD8
561 -
562 -
563 -
564 -
565 -==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
566 -
567 -
568 -(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
569 -
570 -
571 -(% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
572 -
573 -**Case 1: Door Sensor.** 3.3v Out for such sensor is just to detect Open/Close.
574 -
575 - In Open State, the power consumption is the same as if there is no probe
576 -
577 - In Close state, the power consumption will be 3uA higher than normal.
578 -
579 -[[image:image-20220906100852-1.png||height="205" width="377"]]
580 -
581 -
582 -Ext=4,Interrupt Sensor：
583 -
584 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
585 -|(% style="width:117px" %)(((
586 -AT+EXT=4,1
587 -)))|(% style="width:371px" %)(((
588 -Sent uplink packet in both rising and falling interrupt
589 -)))
590 -|(% style="width:117px" %)(((
591 -AT+EXT=4,2
592 -)))|(% style="width:371px" %)(((
593 -Sent uplink packet only in falling interrupt
594 -)))
595 -|(% style="width:117px" %)(((
596 -AT+EXT=4,3
597 -)))|(% style="width:371px" %)(((
598 -Sent uplink packet only in rising interrupt
599 -)))
600 -
601 -Trigger by falling edge:
602 -
603 -[[image:image-20220906101145-2.png]]
604 -
605 -
606 -Trigger by raising edge：
607 -
608 -[[image:image-20220906101145-3.png]]
609 -
610 -
611 -
612 -
613 -==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
614 -
615 -
616 -(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
617 -
618 -
619 -(% 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.
620 -
621 -[[image:image-20220906101320-4.png||height="366" width="698"]]
622 -
623 -
624 -(% 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
625 -
626 -[[image:image-20220906101320-5.png||height="353" width="696"]]
627 -
628 -Ext=8, Counting Sensor ( 4 bytes)：
629 -
630 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
631 -|(% style="width:138px" %)(((
632 -AT+EXT=8,0
633 -)))|(% style="width:240px" %)(((
634 -Count at falling interrupt
635 -)))
636 -|(% style="width:138px" %)(((
637 -AT+EXT=8,1
638 -)))|(% style="width:240px" %)(((
639 -Count at rising interrupt
640 -)))
641 -|(% style="width:138px" %)(((
642 -AT+SETCNT=60
643 -)))|(% style="width:240px" %)(((
644 -Sent current count to 60
645 -)))
646 -
647 -[[image:image-20220906101320-6.png]]
648 -
649 -
650 -(% style="color:blue" %)**A2 downlink Command：**
651 -
652 -A2 02:  Same as AT+EXT=2 (AT+EXT= second byte)
653 -
654 -A2 06 01 F4:  Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
655 -
656 -A2 04 02:  Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
657 -
658 -A2 08 01 00:  Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
659 -
660 -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)
661 -
662 -
663 -(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
664 -
665 -
666 -(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
667 -
668 -(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
669 -
670 -0): Cancel
671 -
672 -1): Threshold alarm
673 -
674 -2): Fluctuation alarm
675 -
676 -
677 -(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
678 -
679 -(% 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.**
680 -
681 -
682 -(% style="color:#037691" %) **Parameter 3 and parameter 4:**
683 -
684 -1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
685 -
686 -Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
687 -
688 -
689 -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.
690 -
691 -Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
692 -
693 -If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
694 -
695 -
696 -(% style="color:blue" %)** Downlink:**
697 -
698 -0xA5 00 ~-~- AT+WMOD=0.
699 -
700 -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 )
701 -
702 -0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
703 -
704 -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.
705 -
706 -
707 -
708 -
709 709  == 2.5 Show data on Datacake ==
710 710  
711 711  
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773 773  
774 774  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
775 775  
776 -
777 777  [[image:image-20220703111700-2.png||height="381" width="1119"]]
778 778  
779 779  
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995 995  (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
996 996  
997 997  (% _mstvisible="1" %)
832 +[[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
833 +
834 +(% _mstvisible="1" %)
998 998  (((
999 999  (% _mstvisible="2" %)
1000 1000  (((
1001 1001  (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
1002 1002  (((
1003 -[[image:image-20221006192726-1.png||height="112" width="754"]]
1004 -
1005 -(% 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)
1006 -
1007 -(% class="mark" %)Poll Message Flag(%%): 1: This message is a poll message reply.
1008 -
1009 -
840 +Poll Message Flag: 1: This message is a poll message reply.
1010 1010  )))
1011 1011  )))
1012 1012  )))
... ... @@ -1147,7 +1147,6 @@
1147 1147  (% _mstvisible="1" %)
1148 1148  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1149 1149  
1150 -
1151 1151  (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1152 1152  (((
1153 1153  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
... ... @@ -1272,7 +1272,6 @@
1272 1272  
1273 1273  = 3. Sensors and Accessories =
1274 1274  
1275 -
1276 1276  == 3.1 E2 Extension Cable ==
1277 1277  
1278 1278  
... ... @@ -1515,7 +1515,7 @@
1515 1515  
1516 1516  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1517 1517  
1518 -0x306007806000  ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1347 +0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1519 1519  
1520 1520  
1521 1521  
... ... @@ -1539,8 +1539,8 @@
1539 1539  
1540 1540  (% style="color:#4f81bd" %)**Downlink Command:**
1541 1541  
1542 -0x28 01  ~/~/  Same As AT+SYNCMOD=1
1543 -0x28 00  ~/~/  Same As AT+SYNCMOD=0
1371 +0x28 01 ~/~/ Same As AT+SYNCMOD=1
1372 +0x28 00 ~/~/ Same As AT+SYNCMOD=0
1544 1544  
1545 1545  
1546 1546  
... ... @@ -1636,7 +1636,6 @@
1636 1636  
1637 1637  = 5. Battery & How to replace =
1638 1638  
1639 -
1640 1640  == 5.1 Battery Type ==
1641 1641  
1642 1642  
... ... @@ -1955,7 +1955,7 @@
1955 1955  == 6.3 How to change the uplink interval？ ==
1956 1956  
1957 1957  
1958 -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);"]]
1786 +[[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"]]
1959 1959  
1960 1960  
1961 1961  
... ... @@ -1989,7 +1989,6 @@
1989 1989  [[image:image-20220615170542-5.png]]
1990 1990  
1991 1991  
1992 -
1993 1993  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1994 1994  
1995 1995  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -2003,7 +2003,6 @@
2003 2003  [[image:image-20220621170938-2.png]]
2004 2004  
2005 2005  
2006 -
2007 2007  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
2008 2008  
2009 2009  [[image:image-20220615171334-6.png]]
... ... @@ -2052,7 +2052,6 @@
2052 2052  [[image:image-20220615170542-5.png]]
2053 2053  
2054 2054  
2055 -
2056 2056  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
2057 2057  
2058 2058  (% _msthash="506146" _msttexthash="52173160" %)
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2065 2065  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
2066 2066  
2067 2067  
2068 -
2069 2069  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
2070 2070  
2071 2071  [[image:image-20220615171334-6.png]]
... ... @@ -2090,13 +2090,20 @@
2090 2090  
2091 2091  (% style="color:#4f81bd" %)**XX **(%%): The default frequency band
2092 2092  
2093 -* (% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1917 +(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1918 +
2094 2094  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1920 +
2095 2095  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1922 +
2096 2096  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1924 +
2097 2097  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1926 +
2098 2098  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1928 +
2099 2099  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1930 +
2100 2100  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2101 2101  
2102 2102  (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
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2104 2104  * (% style="color:red" %)**E3**(%%): External Temperature Probe
2105 2105  
2106 2106  
2107 -
2108 2108  = 8. Packing Info =
2109 2109  
2110 2110  
... ... @@ -2119,7 +2119,6 @@
2119 2119  * Device Weight: 120.5g
2120 2120  
2121 2121  
2122 -
2123 2123  = 9. Reference material =
2124 2124  
2125 2125  
... ... @@ -2126,7 +2126,6 @@
2126 2126  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2127 2127  
2128 2128  
2129 -
2130 2130  = 10. FCC Warning =
2131 2131  
2132 2132  
... ... @@ -2135,6 +2135,3 @@
2135 2135  (1) This device may not cause harmful interference；
2136 2136  
2137 2137  (2) this device must accept any interference received, including interference that may cause undesired operation.
2138 -
2139 -
2140 -
image-20220906102307-7.png
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