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Last modified by Mengting Qiu on 2025/07/03 14:48
From version 147.9
edited by Xiaoling
on 2022/06/17 14:54
Change comment: There is no comment for this version
To version 168.4
edited by Xiaoling
on 2022/06/21 09:28
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 -)))
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.
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 -)))
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.
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.
33 +LHT52 is fully compatible with LoRaWAN v1.0.3 protocol, it can work with standard LoRaWAN gateway.
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]]
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. 
195 +* (% 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.
196 +* (% 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"]]
234 +[[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  
581 +==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable)(%%) ====
582 +
583 +In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
584 +
585 +be used to power the external ADC sensor; user can control the power on time for this
586 +
587 +sensor by setting:
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 +
592 592  (% _mstvisible="1" %)
593 593  == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
594 594  
... ... @@ -1080,19 +1080,19 @@
1080 1080  (% _mstvisible="1" class="box infomessage" %)
1081 1081  (((
1082 1082  (% _msthash="506086" _msttexthash="2193529" _mstvisible="2" style="text-align: left;" %)
1083 -(% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%): Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1084 +(% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%):  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1084 1084  
1085 1085  (% _msthash="506087" _msttexthash="3671265" _mstvisible="2" style="text-align: left;" %)
1086 -(% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%): The interval between checking the alarm temperature. (In minutes)
1087 +(% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%):  The interval between checking the alarm temperature. (In minutes)
1087 1087  
1088 1088  (% _msthash="506088" _msttexthash="3310437" _mstvisible="2" style="text-align: left;" %)
1089 -(% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%): Gets or sets the alarm range of the internal temperature sensor
1090 +(% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%):  Gets or sets the alarm range of the internal temperature sensor
1090 1090  
1091 1091  (% _mstvisible="2" style="text-align: left;" %)
1092 -(% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%): Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1093 +(% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%):  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1093 1093  
1094 1094  (% _msthash="506089" _msttexthash="3590067" _mstvisible="2" style="text-align: left;" %)
1095 -(% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%): Set the internal temperature sensor alarm range from 45 to 105.
1096 +(% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%):  Set the internal temperature sensor alarm range from 45 to 105.
1096 1096  )))
1097 1097  
1098 1098  
... ... @@ -1135,9 +1135,6 @@
1135 1135  For each success downlink, the PURPLE LED will blink once
1136 1136  
1137 1137  
1138 -
1139 -
1140 -(% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
1141 1141  
1142 1142  )))
1143 1143  
... ... @@ -1152,6 +1152,17 @@
1152 1152  = (% _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(%%) =
1153 1153  
1154 1154  (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1153 +== (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E2 Extension Cable(%%) ==
1154 +
1155 +[[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1156 +
1157 +1m long breakout cable for LHT65N
1158 +
1159 +[[image:image-20220619092421-3.png||height="371" width="529"]]
1160 +
1161 +
1162 +
1163 +(% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1155 1155  == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1156 1156  
1157 1157  (% _mstvisible="1" %)
... ... @@ -1241,7 +1241,7 @@
1241 1241  (% _mstvisible="1" %)
1242 1242  (((
1243 1243  (% _mstvisible="2" style="text-align: left;" %)
1244 -(% _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506054" _msttexthash="792038" %)**Commands special design for LHT65N**
1253 +(% _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506249" _mstmutation="1" _msttexthash="317850" _mstvisible="4" style="color:#4f81bd" %)**Commands special design for LHT65N**
1245 1245  )))
1246 1246  
1247 1247  (% _mstvisible="1" %)
... ... @@ -1612,8 +1612,6 @@
1612 1612  (% _mstvisible="1" %)
1613 1613  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1614 1614  
1615 -
1616 -
1617 1617  (% _mstvisible="1" %)
1618 1618  = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1619 1619  
... ... @@ -1646,6 +1646,7 @@
1646 1646  (% _mstvisible="1" %)
1647 1647  [[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"]]
1648 1648  
1656 +
1649 1649  (% _mstvisible="1" %)
1650 1650  == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1651 1651  
... ... @@ -1908,7 +1908,7 @@
1908 1908  (% _msthash="506131" _msttexthash="14585714" %)
1909 1909  AT commands：
1910 1910  
1911 -[[image:image-20220615092034-1.png||_mstalt="428870"]]
1919 +[[image:image-20220620153708-1.png||height="603" width="723"]]
1912 1912  
1913 1913  (% _msthash="506132" _msttexthash="337922" %)
1914 1914  Downlink commands:
... ... @@ -1917,13 +1917,13 @@
1917 1917  (% _msthash="506133" _msttexthash="33046" %)
1918 1918  **TTN:**
1919 1919  
1920 -[[image:image-20220615092124-2.png||_mstalt="429221" height="843" width="893"]]
1928 +[[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1921 1921  
1922 1922  
1923 1923  (% _msthash="506134" _msttexthash="11113791" %)
1924 1924  **Helium：**
1925 1925  
1926 -[[image:image-20220615092551-3.png||_mstalt="430794" height="556" width="1097"]]
1934 +[[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1927 1927  
1928 1928  
1929 1929  (% _msthash="506135" _msttexthash="4159844" %)
... ... @@ -1931,13 +1931,13 @@
1931 1931  
1932 1932  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1933 1933  
1934 -[[image:image-20220615094904-7.png||_mstalt="433485" height="329" width="1067"]]
1942 +[[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1935 1935  
1936 1936  
1937 1937  (% _msthash="506136" _msttexthash="39286" %)
1938 1938  **Aws:**
1939 1939  
1940 -[[image:image-20220615092939-4.png||_mstalt="434460" height="532" width="1062"]]
1948 +[[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1941 1941  
1942 1942  
1943 1943  == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
... ... @@ -1950,6 +1950,8 @@
1950 1950  
1951 1951  [[image:image-20220615153355-1.png]]
1952 1952  
1961 +[[image:image-20220620154900-5.jpeg||height="427" width="570"]]
1962 +
1953 1953  (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1954 1954  
1955 1955  (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
... ... @@ -1956,9 +1956,10 @@
1956 1956  
1957 1957  (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1958 1958  
1959 -[[image:image-20220615153914-2.jpeg||height="608" width="456"]]
1960 1960  
1970 +To switch from download mode to command mode, press reset key
1961 1961  
1972 +
1962 1962  (((
1963 1963  (% _msthash="736728" _msttexthash="67213055" %)
1964 1964  (((
... ... @@ -1970,16 +1970,18 @@
1970 1970  (% _msthash="736729" _msttexthash="1907009" %)
1971 1971  Input password and ATZ to activate LHT65N,As shown below:
1972 1972  
1973 -[[image:image-20220615154519-3.png]]
1984 +[[image:image-20220615154519-3.png||height="672" width="807"]]
1974 1974  
1975 1975  
1976 1976  )))
1977 1977  
1978 -
1979 1979  == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1980 1980  
1991 +
1981 1981  [[image:image-20220615153355-1.png]]
1982 1982  
1994 +(% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1995 +
1983 1983  (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
1984 1984  
1985 1985  (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
... ... @@ -1986,9 +1986,13 @@
1986 1986  
1987 1987  (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1988 1988  
1989 -Use after connection， ground wire（1 < - -> GND  < - ->  Black） for 1s and then pull it out.Then restart the device.
2002 +[[image:image-20220620160241-6.jpeg||height="428" width="571"]]
1990 1990  
2004 +Press reset after connecting the 4boot cable to enter the download mode.
1991 1991  
2006 +[[image:image-20220620160516-7.png||height="435" width="435"]]
2007 +
2008 +
1992 1992  (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
1993 1993  
1994 1994  [[image:image-20220615170542-5.png]]
... ... @@ -2006,7 +2006,7 @@
2006 2006  
2007 2007  (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2008 2008  
2009 -
2026 +[[image:image-20220620160723-8.png]]
2010 2010  )))
2011 2011  
2012 2012  (% _mstvisible="1" %)
... ... @@ -2078,8 +2078,6 @@
2078 2078  (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2079 2079  (% style="color:red" %)**E3**(%%): External Temperature Probe
2080 2080  
2081 -
2082 -(% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2083 2083  
2084 2084  )))
2085 2085  
... ... @@ -2103,11 +2103,6 @@
2103 2103  )))
2104 2104  * (% _mstvisible="3" %)
2105 2105  (((
2106 -(% _msthash="903337" _msttexthash="242567" _mstvisible="4" %)
2107 -Program cable x 1
2108 -)))
2109 -* (% _mstvisible="3" %)
2110 -(((
2111 2111  (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2112 2112  Optional external sensor
2113 2113  )))
... ... @@ -2133,9 +2133,6 @@
2133 2133  (% _mstvisible="3" %)
2134 2134  (((
2135 2135  
2136 -
2137 -(% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
2138 -
2139 2139  )))
2140 2140  
2141 2141  = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
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