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Last modified by Mengting Qiu on 2025/07/03 14:48
From version 147.16
edited by Xiaoling
on 2022/06/17 14:58
Change comment: There is no comment for this version
To version 168.3
edited by Xiaoling
on 2022/06/21 09:27
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  (((
24 24  (% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
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 -)))
25 +
27 27  
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 -)))
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.
33 33  
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 -)))
39 39  
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 -)))
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.
45 45  
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.
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]]
50 50  )))
51 51  
52 52  (% _mstvisible="1" %)
53 53  (((
54 54  (% _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" %)
58 58  
59 59  )))
60 60  
... ... @@ -202,8 +202,8 @@
202 202  The LHT65N has two working modes:
203 203  
204 204  (% _mstvisible="1" %)
205 -* **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
206 -* **Working Mode**: In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65 will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
201 +* (% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
202 +* (% style="color:blue" %)**Working Mode**(%%):  In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65N will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
207 207  
208 208  (% _mstvisible="1" %)
209 209  (((
... ... @@ -241,7 +241,7 @@
241 241  Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
242 242  
243 243  (% _mstvisible="1" %)
244 -[[image:image-20220522232812-2.png||_mstalt="428467" _mstvisible="3" height="219" width="279"]]
240 +[[image:image-20220617150003-1.jpeg]]
245 245  
246 246  (% _msthash="315244" _msttexthash="3659149" _mstvisible="1" %)
247 247  User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
... ... @@ -468,7 +468,6 @@
468 468  )))
469 469  
470 470  
471 -
472 472  (% _mstvisible="1" %)
473 473  ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
474 474  
... ... @@ -589,6 +589,18 @@
589 589  * 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.
590 590  * 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)
591 591  
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 +
592 592  (% _mstvisible="1" %)
593 593  == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
594 594  
... ... @@ -1149,6 +1149,17 @@
1149 1149  = (% _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(%%) =
1150 1150  
1151 1151  (% _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;" %)
1152 1152  == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1153 1153  
1154 1154  (% _mstvisible="1" %)
... ... @@ -1166,8 +1166,6 @@
1166 1166  * -55°C to 125°C
1167 1167  * Working voltage 2.35v ~~ 5v
1168 1168  
1169 -
1170 -
1171 1171  (% _mstvisible="1" style="text-align: left;" %)
1172 1172  = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1173 1173  
... ... @@ -1383,8 +1383,6 @@
1383 1383  * 0xA800  **~-~->** AT+PID=0
1384 1384  * 0xA801     **~-~->** AT+PID=1
1385 1385  
1386 -
1387 -
1388 1388  (% _mstvisible="1" style="text-align: left;" %)
1389 1389  == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1390 1390  
... ... @@ -1456,8 +1456,6 @@
1456 1456  (% _mstvisible="1" %)
1457 1457  * There is no downlink command to set to Sleep mode.
1458 1458  
1459 -
1460 -
1461 1461  (% _mstvisible="1" %)
1462 1462  == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1463 1463  
... ... @@ -1592,8 +1592,6 @@
1592 1592  (% _mstvisible="1" %)
1593 1593  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1594 1594  
1595 -
1596 -
1597 1597  (% _mstvisible="1" %)
1598 1598  == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1599 1599  
... ... @@ -1617,8 +1617,6 @@
1617 1617  (% _mstvisible="1" %)
1618 1618  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1619 1619  
1620 -
1621 -
1622 1622  (% _mstvisible="1" %)
1623 1623  = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1624 1624  
... ... @@ -1651,6 +1651,7 @@
1651 1651  (% _mstvisible="1" %)
1652 1652  [[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"]]
1653 1653  
1662 +
1654 1654  (% _mstvisible="1" %)
1655 1655  == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1656 1656  
... ... @@ -1913,7 +1913,7 @@
1913 1913  (% _msthash="506131" _msttexthash="14585714" %)
1914 1914  AT commands：
1915 1915  
1916 -[[image:image-20220615092034-1.png||_mstalt="428870"]]
1925 +[[image:image-20220620153708-1.png||height="603" width="723"]]
1917 1917  
1918 1918  (% _msthash="506132" _msttexthash="337922" %)
1919 1919  Downlink commands:
... ... @@ -1922,13 +1922,13 @@
1922 1922  (% _msthash="506133" _msttexthash="33046" %)
1923 1923  **TTN:**
1924 1924  
1925 -[[image:image-20220615092124-2.png||_mstalt="429221" height="843" width="893"]]
1934 +[[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1926 1926  
1927 1927  
1928 1928  (% _msthash="506134" _msttexthash="11113791" %)
1929 1929  **Helium：**
1930 1930  
1931 -[[image:image-20220615092551-3.png||_mstalt="430794" height="556" width="1097"]]
1940 +[[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1932 1932  
1933 1933  
1934 1934  (% _msthash="506135" _msttexthash="4159844" %)
... ... @@ -1936,13 +1936,13 @@
1936 1936  
1937 1937  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1938 1938  
1939 -[[image:image-20220615094904-7.png||_mstalt="433485" height="329" width="1067"]]
1948 +[[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1940 1940  
1941 1941  
1942 1942  (% _msthash="506136" _msttexthash="39286" %)
1943 1943  **Aws:**
1944 1944  
1945 -[[image:image-20220615092939-4.png||_mstalt="434460" height="532" width="1062"]]
1954 +[[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1946 1946  
1947 1947  
1948 1948  == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
... ... @@ -1955,6 +1955,8 @@
1955 1955  
1956 1956  [[image:image-20220615153355-1.png]]
1957 1957  
1967 +[[image:image-20220620154900-5.jpeg||height="427" width="570"]]
1968 +
1958 1958  (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1959 1959  
1960 1960  (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
... ... @@ -1961,9 +1961,10 @@
1961 1961  
1962 1962  (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1963 1963  
1964 -[[image:image-20220615153914-2.jpeg||height="608" width="456"]]
1965 1965  
1976 +To switch from download mode to command mode, press reset key
1966 1966  
1978 +
1967 1967  (((
1968 1968  (% _msthash="736728" _msttexthash="67213055" %)
1969 1969  (((
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1975 1975  (% _msthash="736729" _msttexthash="1907009" %)
1976 1976  Input password and ATZ to activate LHT65N,As shown below:
1977 1977  
1978 -[[image:image-20220615154519-3.png]]
1990 +[[image:image-20220615154519-3.png||height="672" width="807"]]
1979 1979  
1980 1980  
1981 1981  )))
1982 1982  
1983 -
1984 1984  == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1985 1985  
1997 +
1986 1986  [[image:image-20220615153355-1.png]]
1987 1987  
2000 +(% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
2001 +
1988 1988  (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
1989 1989  
1990 1990  (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
... ... @@ -1991,9 +1991,13 @@
1991 1991  
1992 1992  (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1993 1993  
1994 -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"]]
1995 1995  
2010 +Press reset after connecting the 4boot cable to enter the download mode.
1996 1996  
2012 +[[image:image-20220620160516-7.png||height="435" width="435"]]
2013 +
2014 +
1997 1997  (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
1998 1998  
1999 1999  [[image:image-20220615170542-5.png]]
... ... @@ -2011,7 +2011,7 @@
2011 2011  
2012 2012  (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2013 2013  
2014 -
2032 +[[image:image-20220620160723-8.png]]
2015 2015  )))
2016 2016  
2017 2017  (% _mstvisible="1" %)
... ... @@ -2083,8 +2083,6 @@
2083 2083  (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2084 2084  (% style="color:red" %)**E3**(%%): External Temperature Probe
2085 2085  
2086 -
2087 -(% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2088 2088  
2089 2089  )))
2090 2090  
... ... @@ -2108,11 +2108,6 @@
2108 2108  )))
2109 2109  * (% _mstvisible="3" %)
2110 2110  (((
2111 -(% _msthash="903337" _msttexthash="242567" _mstvisible="4" %)
2112 -Program cable x 1
2113 -)))
2114 -* (% _mstvisible="3" %)
2115 -(((
2116 2116  (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2117 2117  Optional external sensor
2118 2118  )))
... ... @@ -2138,9 +2138,6 @@
2138 2138  (% _mstvisible="3" %)
2139 2139  (((
2140 2140  
2141 -
2142 -(% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
2143 -
2144 2144  )))
2145 2145  
2146 2146  = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
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