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Last modified by Mengting Qiu on 2025/07/03 14:48
From version 148.9
edited by Xiaoling
on 2022/06/17 15:06
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To version 168.2
edited by Xiaoling
on 2022/06/21 09:22
Change comment: There is no comment for this version

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Title
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1 -LHT65N LoRaWAN Temperature & Humidity Sensor Manual
1 +LHT52 - LoRaWAN Temperature & Humidity Sensor User Manual
Parent
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1 -Main.WebHome
1 +Main.User Manual for LoRaWAN End Nodes.WebHome
Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20220613162008-1.png||_mstalt="428142" height="579" width="379"]]
2 +[[image:1655774244188-589.png]]
3 3  
4 4  
5 5  
6 6  
7 -
8 8  (% _mstvisible="1" %)
9 9  (% _msthash="315238" _msttexthash="18964465" _mstvisible="3" %)**Table of Contents：**
10 10  
11 -{{toc/}}
12 12  
13 13  
14 14  
15 15  
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 LHT65N Temperature & Humidity Sensor(%%) ==
20 +== (% _msthash="1532895" _msttexthash="1426958" _mstvisible="3" %)1.1 What is LHT52 Temperature & Humidity Sensor(%%) ==
21 21  
22 22  (% _mstvisible="1" %)
23 23  (((
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24 24  (% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
25 25  
26 26  
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 -)))
27 +The Dragino LHT52 Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a **built-in Temperature & Humidity sensor** and has a USB Type-C sensor connector to connect to external sensors such as external Temperature Sensor.
30 30  
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 -)))
36 36  
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 -)))
30 +LHT52 **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.
42 42  
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 -)))
48 48  
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.
33 +LHT52 **supports 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** 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>>path:#Battery]].
46 +
47 +(% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
48 +[[image:1655774519494-861.png]]
53 53  )))
54 54  
55 55  (% _mstvisible="1" %)
56 56  (((
57 57  (% _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" %)
61 61  
62 62  )))
63 63  
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77 77  * Tri-color LED to indicate working status
78 78  * Datalog feature
79 79  
80 -
81 -
82 -
83 83  (% _mstvisible="1" %)
84 84  == (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
85 85  
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474 474  )))
475 475  
476 476  
477 -
478 478  (% _mstvisible="1" %)
479 479  ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
480 480  
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595 595  * 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.
596 596  * 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)
597 597  
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 +
598 598  (% _mstvisible="1" %)
599 599  == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
600 600  
... ... @@ -1155,6 +1155,17 @@
1155 1155  = (% _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(%%) =
1156 1156  
1157 1157  (% _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;" %)
1158 1158  == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1159 1159  
1160 1160  (% _mstvisible="1" %)
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1647 1647  (% _mstvisible="1" %)
1648 1648  [[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"]]
1649 1649  
1662 +
1650 1650  (% _mstvisible="1" %)
1651 1651  == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1652 1652  
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1909 1909  (% _msthash="506131" _msttexthash="14585714" %)
1910 1910  AT commands：
1911 1911  
1912 -[[image:image-20220615092034-1.png||_mstalt="428870"]]
1925 +[[image:image-20220620153708-1.png||height="603" width="723"]]
1913 1913  
1914 1914  (% _msthash="506132" _msttexthash="337922" %)
1915 1915  Downlink commands:
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1918 1918  (% _msthash="506133" _msttexthash="33046" %)
1919 1919  **TTN:**
1920 1920  
1921 -[[image:image-20220615092124-2.png||_mstalt="429221" height="843" width="893"]]
1934 +[[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1922 1922  
1923 1923  
1924 1924  (% _msthash="506134" _msttexthash="11113791" %)
1925 1925  **Helium：**
1926 1926  
1927 -[[image:image-20220615092551-3.png||_mstalt="430794" height="556" width="1097"]]
1940 +[[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1928 1928  
1929 1929  
1930 1930  (% _msthash="506135" _msttexthash="4159844" %)
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1932 1932  
1933 1933  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1934 1934  
1935 -[[image:image-20220615094904-7.png||_mstalt="433485" height="329" width="1067"]]
1948 +[[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1936 1936  
1937 1937  
1938 1938  (% _msthash="506136" _msttexthash="39286" %)
1939 1939  **Aws:**
1940 1940  
1941 -[[image:image-20220615092939-4.png||_mstalt="434460" height="532" width="1062"]]
1954 +[[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1942 1942  
1943 1943  
1944 1944  == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
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1951 1951  
1952 1952  [[image:image-20220615153355-1.png]]
1953 1953  
1967 +[[image:image-20220620154900-5.jpeg||height="427" width="570"]]
1968 +
1954 1954  (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1955 1955  
1956 1956  (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
... ... @@ -1957,9 +1957,10 @@
1957 1957  
1958 1958  (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1959 1959  
1960 -[[image:image-20220615153914-2.jpeg||height="608" width="456"]]
1961 1961  
1976 +To switch from download mode to command mode, press reset key
1962 1962  
1978 +
1963 1963  (((
1964 1964  (% _msthash="736728" _msttexthash="67213055" %)
1965 1965  (((
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1971 1971  (% _msthash="736729" _msttexthash="1907009" %)
1972 1972  Input password and ATZ to activate LHT65N,As shown below:
1973 1973  
1974 -[[image:image-20220615154519-3.png]]
1990 +[[image:image-20220615154519-3.png||height="672" width="807"]]
1975 1975  
1976 1976  
1977 1977  )))
1978 1978  
1979 -
1980 1980  == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1981 1981  
1997 +
1982 1982  [[image:image-20220615153355-1.png]]
1983 1983  
2000 +(% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
2001 +
1984 1984  (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
1985 1985  
1986 1986  (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
... ... @@ -1987,9 +1987,13 @@
1987 1987  
1988 1988  (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1989 1989  
1990 -Use after connection， ground wire（1 < - -> GND  < - ->  Black） for 1s and then pull it out.Then restart the device.
2008 +[[image:image-20220620160241-6.jpeg||height="428" width="571"]]
1991 1991  
2010 +Press reset after connecting the 4boot cable to enter the download mode.
1992 1992  
2012 +[[image:image-20220620160516-7.png||height="435" width="435"]]
2013 +
2014 +
1993 1993  (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
1994 1994  
1995 1995  [[image:image-20220615170542-5.png]]
... ... @@ -2007,7 +2007,7 @@
2007 2007  
2008 2008  (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2009 2009  
2010 -
2032 +[[image:image-20220620160723-8.png]]
2011 2011  )))
2012 2012  
2013 2013  (% _mstvisible="1" %)
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2079 2079  (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2080 2080  (% style="color:red" %)**E3**(%%): External Temperature Probe
2081 2081  
2082 -
2083 -(% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2084 2084  
2085 2085  )))
2086 2086  
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2129 2129  (% _mstvisible="3" %)
2130 2130  (((
2131 2131  
2132 -
2133 -(% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
2134 -
2135 2135  )))
2136 2136  
2137 2137  = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
... ... @@ -2138,8 +2138,6 @@
2138 2138  
2139 2139  * [[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"]]
2140 2140  
2141 -
2142 -
2143 2143  = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2144 2144  
2145 2145  (% _mstvisible="1" %)
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