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Last modified by Mengting Qiu on 2025/07/03 14:48
From version 168.3
edited by Xiaoling
on 2022/06/21 09:27
Change comment: There is no comment for this version
To version 148.7
edited by Xiaoling
on 2022/06/17 15:05
Change comment: There is no comment for this version

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Title
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1 -LHT52 - LoRaWAN Temperature & Humidity Sensor User Manual
1 +LHT65N LoRaWAN Temperature & Humidity Sensor Manual
Parent
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1 -Main.User Manual for LoRaWAN End Nodes.WebHome
1 +Main.WebHome
Content
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1 1  (% style="text-align:center" %)
2 -[[image:1655774244188-589.png]]
2 +[[image:image-20220613162008-1.png||_mstalt="428142" height="579" width="379"]]
3 3  
4 4  
5 5  
6 6  
7 +
7 7  (% _mstvisible="1" %)
8 8  (% _msthash="315238" _msttexthash="18964465" _mstvisible="3" %)**Table of Contents：**
9 9  
11 +{{toc/}}
10 10  
11 11  
12 12  
13 13  
14 -
15 -
16 16  (% _mstvisible="1" %)
17 17  = (% _msthash="277498" _msttexthash="253045" _mstvisible="3" %)1. Introduction(%%) =
18 18  
19 19  (% _mstvisible="1" %)
20 -== (% _msthash="1532895" _msttexthash="1426958" _mstvisible="3" %)1.1 What is LHT52 Temperature & Humidity Sensor(%%) ==
20 +== (% _msthash="1532895" _msttexthash="1426958" _mstvisible="3" %)1.1 What is LHT65N Temperature & Humidity Sensor(%%) ==
21 21  
22 22  (% _mstvisible="1" %)
23 23  (((
24 24  (% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
25 -
25 +The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% _mstvisible="4" style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% _mstvisible="4" style="color:#4f81bd" %)**Temperature Sensor**(% _mstvisible="3" %)**.**
26 +)))
26 26  
27 -The Dragino LHT52 Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a **(% style="color:blue" %)built-in Temperature & Humidity sensor** (%%)and has a USB Type-C sensor connector to connect to external sensors such as external Temperature Sensor.
28 +(% _mstvisible="1" %)
29 +(((
30 +(% _msthash="506052" _msttexthash="66005810" _mstvisible="2" %)
31 +The LHT65N allows users to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
32 +)))
28 28  
34 +(% _mstvisible="1" %)
35 +(((
36 +(% _msthash="506053" _msttexthash="4298047" _mstvisible="2" %)
37 +LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
38 +)))
29 29  
30 -LHT52 **(% style="color:blue" %)senses environment temperature and humidity**(%%) and send these values via long-range wireless LoRaWAN protocol. It targets professional wireless sensor network applications such as food service, smart metering, smart cities, building automation, and so on.
40 +(% _mstvisible="1" %)
41 +(((
42 +(% _msthash="506054" _msttexthash="6016374" _mstvisible="2" %)
43 +LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
44 +)))
31 31  
32 -
33 -LHT52 supports**(% style="color:blue" %) 2 x AAA batteries **(%%)and works for a long time up to several years. Use can replace the batteries easily after they are finished.
34 -
35 -
36 -LHT52 is fully compatible with LoRaWAN v1.0.3 protocol, it can work with standard LoRaWAN gateway.
37 -
38 -
39 -LHT52 supports**(% style="color:blue" %) Datalog feature** (%%)to make sure users won’t miss sensor data. It records sensor value for every uplink. These values can be retrieved by LoRaWAN server via downlink command.
40 -
41 -
42 -LHT52 supports**(%%) temperature alarm feature**. It can uplink alarm in a short interval while temperature exceeds preset limits.
43 -
44 -
45 -*Battery life depends how often to send data, please see [[battery analyzer>>||anchor="H4.2A0PowerConsumptionAnalyze"]].
46 -
47 -(% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
48 -[[image:1655774519494-861.png]]
46 +(% _mstvisible="1" %)
47 +(((
48 +(% _msthash="506055" _msttexthash="17023136" _mstvisible="2" %)
49 +LHT65N supports (% _mstvisible="4" style="color:#4f81bd" %)**Datalog Feature**(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
49 49  )))
50 50  
51 51  (% _mstvisible="1" %)
52 52  (((
53 53  (% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
55 +*The actual battery life depends on how often to send data, please see the battery analyzer chapter.
56 +
57 +(% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
54 54  
55 55  )))
56 56  
... ... @@ -464,6 +464,7 @@
464 464  )))
465 465  
466 466  
471 +
467 467  (% _mstvisible="1" %)
468 468  ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
469 469  
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584 584  * Sync time OK: 1: Set time ok，0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
585 585  * 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)
586 586  
587 -==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable)(%%) ====
588 -
589 -In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
590 -
591 -be used to power the external ADC sensor; user can control the power on time for this
592 -
593 -sensor by setting:
594 -
595 -AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
596 -
597 -
598 -
599 599  (% _mstvisible="1" %)
600 600  == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
601 601  
... ... @@ -1156,17 +1156,6 @@
1156 1156  = (% _msthash="401388" _msttexthash="566956" _mstvisible="3" %)3. S(% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)ensors(% _msthash="401388" _msttexthash="40417" _mstvisible="3" %) and A(% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)ccessories(%%) =
1157 1157  
1158 1158  (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1159 -== (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E2 Extension Cable(%%) ==
1160 -
1161 -[[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1162 -
1163 -1m long breakout cable for LHT65N
1164 -
1165 -[[image:image-20220619092421-3.png||height="371" width="529"]]
1166 -
1167 -
1168 -
1169 -(% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1170 1170  == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1171 1171  
1172 1172  (% _mstvisible="1" %)
... ... @@ -1659,7 +1659,6 @@
1659 1659  (% _mstvisible="1" %)
1660 1660  [[image:image-20220515075440-2.png||_mstalt="429546" _mstvisible="3" height="338" width="272"]][[image:image-20220515075625-3.png||_mstalt="431574" _mstvisible="3" height="193" width="257"]]
1661 1661  
1662 -
1663 1663  (% _mstvisible="1" %)
1664 1664  == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1665 1665  
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1922 1922  (% _msthash="506131" _msttexthash="14585714" %)
1923 1923  AT commands：
1924 1924  
1925 -[[image:image-20220620153708-1.png||height="603" width="723"]]
1906 +[[image:image-20220615092034-1.png||_mstalt="428870"]]
1926 1926  
1927 1927  (% _msthash="506132" _msttexthash="337922" %)
1928 1928  Downlink commands:
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1931 1931  (% _msthash="506133" _msttexthash="33046" %)
1932 1932  **TTN:**
1933 1933  
1934 -[[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1915 +[[image:image-20220615092124-2.png||_mstalt="429221" height="843" width="893"]]
1935 1935  
1936 1936  
1937 1937  (% _msthash="506134" _msttexthash="11113791" %)
1938 1938  **Helium：**
1939 1939  
1940 -[[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1921 +[[image:image-20220615092551-3.png||_mstalt="430794" height="556" width="1097"]]
1941 1941  
1942 1942  
1943 1943  (% _msthash="506135" _msttexthash="4159844" %)
... ... @@ -1945,13 +1945,13 @@
1945 1945  
1946 1946  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1947 1947  
1948 -[[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1929 +[[image:image-20220615094904-7.png||_mstalt="433485" height="329" width="1067"]]
1949 1949  
1950 1950  
1951 1951  (% _msthash="506136" _msttexthash="39286" %)
1952 1952  **Aws:**
1953 1953  
1954 -[[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1935 +[[image:image-20220615092939-4.png||_mstalt="434460" height="532" width="1062"]]
1955 1955  
1956 1956  
1957 1957  == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
... ... @@ -1964,8 +1964,6 @@
1964 1964  
1965 1965  [[image:image-20220615153355-1.png]]
1966 1966  
1967 -[[image:image-20220620154900-5.jpeg||height="427" width="570"]]
1968 -
1969 1969  (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1970 1970  
1971 1971  (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
... ... @@ -1972,10 +1972,9 @@
1972 1972  
1973 1973  (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1974 1974  
1954 +[[image:image-20220615153914-2.jpeg||height="608" width="456"]]
1975 1975  
1976 -To switch from download mode to command mode, press reset key
1977 1977  
1978 -
1979 1979  (((
1980 1980  (% _msthash="736728" _msttexthash="67213055" %)
1981 1981  (((
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1987 1987  (% _msthash="736729" _msttexthash="1907009" %)
1988 1988  Input password and ATZ to activate LHT65N,As shown below:
1989 1989  
1990 -[[image:image-20220615154519-3.png||height="672" width="807"]]
1968 +[[image:image-20220615154519-3.png]]
1991 1991  
1992 1992  
1993 1993  )))
1994 1994  
1973 +
1995 1995  == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1996 1996  
1997 -
1998 1998  [[image:image-20220615153355-1.png]]
1999 1999  
2000 -(% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
2001 -
2002 2002  (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
2003 2003  
2004 2004  (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
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2005 2005  
2006 2006  (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
2007 2007  
2008 -[[image:image-20220620160241-6.jpeg||height="428" width="571"]]
1984 +Use after connection， ground wire（1 < - -> GND  < - ->  Black） for 1s and then pull it out.Then restart the device.
2009 2009  
2010 -Press reset after connecting the 4boot cable to enter the download mode.
2011 2011  
2012 -[[image:image-20220620160516-7.png||height="435" width="435"]]
2013 -
2014 -
2015 2015  (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
2016 2016  
2017 2017  [[image:image-20220615170542-5.png]]
... ... @@ -2029,7 +2029,7 @@
2029 2029  
2030 2030  (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2031 2031  
2032 -[[image:image-20220620160723-8.png]]
2004 +
2033 2033  )))
2034 2034  
2035 2035  (% _mstvisible="1" %)
... ... @@ -2101,6 +2101,8 @@
2101 2101  (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2102 2102  (% style="color:red" %)**E3**(%%): External Temperature Probe
2103 2103  
2076 +
2077 +(% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2104 2104  
2105 2105  )))
2106 2106  
... ... @@ -2124,6 +2124,11 @@
2124 2124  )))
2125 2125  * (% _mstvisible="3" %)
2126 2126  (((
2101 +(% _msthash="903337" _msttexthash="242567" _mstvisible="4" %)
2102 +Program cable x 1
2103 +)))
2104 +* (% _mstvisible="3" %)
2105 +(((
2127 2127  (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2128 2128  Optional external sensor
2129 2129  )))
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2149 2149  (% _mstvisible="3" %)
2150 2150  (((
2151 2151  
2131 +
2132 +(% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
2133 +
2152 2152  )))
2153 2153  
2154 2154  = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
... ... @@ -2155,6 +2155,8 @@
2155 2155  
2156 2156  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/home/Products_Public_Document/LoRaWAN%20End%20Node/LHT65N%20Temperature%20%26%20Humidity%20Sensor||_msthash="504975" _msttexthash="51420512"]]
2157 2157  
2140 +
2141 +
2158 2158  = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2159 2159  
2160 2160  (% _mstvisible="1" %)
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