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Last modified by Mengting Qiu on 2025/07/03 14:48
From version 168.4
edited by Xiaoling
on 2022/06/21 09:28
Change comment: There is no comment for this version
To version 160.1
edited by Bei Jinggeng
on 2022/06/20 16:07
Change comment: Uploaded new attachment "image-20220620160723-8.png", version {1}

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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
Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
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  (((
... ... @@ -24,27 +24,40 @@
24 24  (% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
25 25  
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.
27 +(% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
28 +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" %)**.**
29 +)))
28 28  
29 -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.
31 +(% _mstvisible="1" %)
32 +(((
33 +(% _msthash="506052" _msttexthash="66005810" _mstvisible="2" %)
34 +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.
35 +)))
30 30  
31 -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.
37 +(% _mstvisible="1" %)
38 +(((
39 +(% _msthash="506053" _msttexthash="4298047" _mstvisible="2" %)
40 +LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
41 +)))
32 32  
33 -LHT52 is fully compatible with LoRaWAN v1.0.3 protocol, it can work with standard LoRaWAN gateway.
43 +(% _mstvisible="1" %)
44 +(((
45 +(% _msthash="506054" _msttexthash="6016374" _mstvisible="2" %)
46 +LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
47 +)))
34 34  
35 -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.
36 -
37 -LHT52 supports(% style="color:blue" %)** temperature alarm feature**(%%). It can uplink alarm in a short interval while temperature exceeds preset limits.
38 -
39 -*Battery life depends how often to send data, please see [[battery analyzer>>||anchor="H4.2A0PowerConsumptionAnalyze"]].
40 -
41 -(% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
42 -[[image:1655774519494-861.png]]
49 +(% _mstvisible="1" %)
50 +(((
51 +(% _msthash="506055" _msttexthash="17023136" _mstvisible="2" %)
52 +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.
43 43  )))
44 44  
45 45  (% _mstvisible="1" %)
46 46  (((
47 47  (% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
58 +*The actual battery life depends on how often to send data, please see the battery analyzer chapter.
59 +
60 +(% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
48 48  
49 49  )))
50 50  
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578 578  * 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.
579 579  * 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)
580 580  
594 +
581 581  ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable)(%%) ====
582 582  
583 -In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
584 584  
585 -be used to power the external ADC sensor; user can control the power on time for this
586 586  
587 -sensor by setting:
588 588  
589 -AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
590 -
591 -
592 -
593 593  (% _mstvisible="1" %)
594 594  == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
595 595  
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1916 1916  (% _msthash="506131" _msttexthash="14585714" %)
1917 1917  AT commands：
1918 1918  
1919 -[[image:image-20220620153708-1.png||height="603" width="723"]]
1926 +[[image:image-20220615092034-1.png||_mstalt="428870"]]
1920 1920  
1921 1921  (% _msthash="506132" _msttexthash="337922" %)
1922 1922  Downlink commands:
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1925 1925  (% _msthash="506133" _msttexthash="33046" %)
1926 1926  **TTN:**
1927 1927  
1928 -[[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1935 +[[image:image-20220615092124-2.png||_mstalt="429221" height="843" width="893"]]
1929 1929  
1930 1930  
1931 1931  (% _msthash="506134" _msttexthash="11113791" %)
1932 1932  **Helium：**
1933 1933  
1934 -[[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1941 +[[image:image-20220615092551-3.png||_mstalt="430794" height="556" width="1097"]]
1935 1935  
1936 1936  
1937 1937  (% _msthash="506135" _msttexthash="4159844" %)
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1939 1939  
1940 1940  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1941 1941  
1942 -[[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1949 +[[image:image-20220615094904-7.png||_mstalt="433485" height="329" width="1067"]]
1943 1943  
1944 1944  
1945 1945  (% _msthash="506136" _msttexthash="39286" %)
1946 1946  **Aws:**
1947 1947  
1948 -[[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1955 +[[image:image-20220615092939-4.png||_mstalt="434460" height="532" width="1062"]]
1949 1949  
1950 1950  
1951 1951  == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
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1958 1958  
1959 1959  [[image:image-20220615153355-1.png]]
1960 1960  
1961 -[[image:image-20220620154900-5.jpeg||height="427" width="570"]]
1962 -
1963 1963  (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1964 1964  
1965 1965  (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
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1966 1966  
1967 1967  (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1968 1968  
1974 +[[image:image-20220615153914-2.jpeg||height="608" width="456"]]
1969 1969  
1970 -To switch from download mode to command mode, press reset key
1971 1971  
1972 -
1973 1973  (((
1974 1974  (% _msthash="736728" _msttexthash="67213055" %)
1975 1975  (((
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1981 1981  (% _msthash="736729" _msttexthash="1907009" %)
1982 1982  Input password and ATZ to activate LHT65N,As shown below:
1983 1983  
1984 -[[image:image-20220615154519-3.png||height="672" width="807"]]
1988 +[[image:image-20220615154519-3.png]]
1985 1985  
1986 1986  
1987 1987  )))
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1988 1988  
1989 1989  == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1990 1990  
1991 -
1992 1992  [[image:image-20220615153355-1.png]]
1993 1993  
1994 -(% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1995 -
1996 1996  (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
1997 1997  
1998 1998  (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
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1999 1999  
2000 2000  (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
2001 2001  
2002 -[[image:image-20220620160241-6.jpeg||height="428" width="571"]]
2003 +Use after connection， ground wire（1 < - -> GND  < - ->  Black） for 1s and then pull it out.Then restart the device.
2003 2003  
2004 -Press reset after connecting the 4boot cable to enter the download mode.
2005 2005  
2006 -[[image:image-20220620160516-7.png||height="435" width="435"]]
2007 -
2008 -
2009 2009  (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
2010 2010  
2011 2011  [[image:image-20220615170542-5.png]]
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2023 2023  
2024 2024  (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2025 2025  
2026 -[[image:image-20220620160723-8.png]]
2023 +
2027 2027  )))
2028 2028  
2029 2029  (% _mstvisible="1" %)
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2149 2149  
2150 2150  * [[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"]]
2151 2151  
2149 +
2152 2152  = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2153 2153  
2154 2154  (% _mstvisible="1" %)
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