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Last modified by Mengting Qiu on 2025/07/03 14:48
From version 168.5
edited by Xiaoling
on 2022/06/21 09:29
Change comment: There is no comment for this version
To version 148.6
edited by Xiaoling
on 2022/06/17 15:02
Change comment: There is no comment for this version

Summary

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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  
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.
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 +)))
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.
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 +)))
32 32  
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]]
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.
43 43  )))
44 44  
45 45  (% _mstvisible="1" %)
46 46  (((
47 47  (% _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" %)
48 48  
49 49  )))
50 50  
... ... @@ -52,21 +52,19 @@
52 52  == (% _msthash="182559" _msttexthash="163319" _mstvisible="3" %)1.2 Features(%%) ==
53 53  
54 54  (% _mstvisible="1" %)
55 -* Wall Attachable.
56 -* LoRaWAN v1.0.3 Class A protocol.
57 -* Built-in Temperature & Humidity sensor
58 -* Optional External Probe
65 +* Wall mountable
66 +* LoRaWAN v1.0.3 Class A protocol
59 59  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
60 60  * AT Commands to change parameters
61 61  * Remote configure parameters via LoRaWAN Downlink
62 -* Firmware upgradable via program port
63 -* Support 2 x AAA LR03 batteries.
70 +* Firmware upgradeable via program port
71 +* Built-in 2400mAh battery for up to 10 years of use.
72 +* Built-in Temperature & Humidity sensor
73 +* Optional External Sensors
74 +* Tri-color LED to indicate working status
64 64  * Datalog feature
65 -* IP Rating: IP52
66 66  
67 67  
68 -
69 -
70 70  (% _mstvisible="1" %)
71 71  == (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
72 72  
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355 355  * The 7th byte (EXT #): defines the external sensor model.
356 356  * The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.)
357 357  
366 +
358 358  (% _mstvisible="1" %)
359 359  === (% _msthash="360269" _msttexthash="333762" _mstvisible="3" %)2.4.1 Decoder in TTN V3(%%) ===
360 360  
... ... @@ -391,6 +391,7 @@
391 391  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
392 392  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
393 393  
403 +
394 394  (% _mstvisible="1" %)
395 395  === (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) ===
396 396  
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461 461  )))
462 462  
463 463  
474 +
464 464  (% _mstvisible="1" %)
465 465  ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
466 466  
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581 581  * 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.
582 582  * 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)
583 583  
584 -==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable)(%%) ====
585 -
586 -In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
587 -
588 -be used to power the external ADC sensor; user can control the power on time for this
589 -
590 -sensor by setting:
591 -
592 -AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
593 -
594 -
595 -
596 596  (% _mstvisible="1" %)
597 597  == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
598 598  
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1153 1153  = (% _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(%%) =
1154 1154  
1155 1155  (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1156 -== (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E2 Extension Cable(%%) ==
1157 -
1158 -[[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1159 -
1160 -1m long breakout cable for LHT65N
1161 -
1162 -[[image:image-20220619092421-3.png||height="371" width="529"]]
1163 -
1164 -
1165 -
1166 -(% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1167 1167  == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1168 1168  
1169 1169  (% _mstvisible="1" %)
... ... @@ -1656,7 +1656,6 @@
1656 1656  (% _mstvisible="1" %)
1657 1657  [[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"]]
1658 1658  
1659 -
1660 1660  (% _mstvisible="1" %)
1661 1661  == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1662 1662  
... ... @@ -1919,7 +1919,7 @@
1919 1919  (% _msthash="506131" _msttexthash="14585714" %)
1920 1920  AT commands：
1921 1921  
1922 -[[image:image-20220620153708-1.png||height="603" width="723"]]
1909 +[[image:image-20220615092034-1.png||_mstalt="428870"]]
1923 1923  
1924 1924  (% _msthash="506132" _msttexthash="337922" %)
1925 1925  Downlink commands:
... ... @@ -1928,13 +1928,13 @@
1928 1928  (% _msthash="506133" _msttexthash="33046" %)
1929 1929  **TTN:**
1930 1930  
1931 -[[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1918 +[[image:image-20220615092124-2.png||_mstalt="429221" height="843" width="893"]]
1932 1932  
1933 1933  
1934 1934  (% _msthash="506134" _msttexthash="11113791" %)
1935 1935  **Helium：**
1936 1936  
1937 -[[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1924 +[[image:image-20220615092551-3.png||_mstalt="430794" height="556" width="1097"]]
1938 1938  
1939 1939  
1940 1940  (% _msthash="506135" _msttexthash="4159844" %)
... ... @@ -1942,13 +1942,13 @@
1942 1942  
1943 1943  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1944 1944  
1945 -[[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1932 +[[image:image-20220615094904-7.png||_mstalt="433485" height="329" width="1067"]]
1946 1946  
1947 1947  
1948 1948  (% _msthash="506136" _msttexthash="39286" %)
1949 1949  **Aws:**
1950 1950  
1951 -[[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1938 +[[image:image-20220615092939-4.png||_mstalt="434460" height="532" width="1062"]]
1952 1952  
1953 1953  
1954 1954  == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
... ... @@ -1961,8 +1961,6 @@
1961 1961  
1962 1962  [[image:image-20220615153355-1.png]]
1963 1963  
1964 -[[image:image-20220620154900-5.jpeg||height="427" width="570"]]
1965 -
1966 1966  (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1967 1967  
1968 1968  (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
... ... @@ -1969,10 +1969,9 @@
1969 1969  
1970 1970  (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1971 1971  
1957 +[[image:image-20220615153914-2.jpeg||height="608" width="456"]]
1972 1972  
1973 -To switch from download mode to command mode, press reset key
1974 1974  
1975 -
1976 1976  (((
1977 1977  (% _msthash="736728" _msttexthash="67213055" %)
1978 1978  (((
... ... @@ -1984,18 +1984,16 @@
1984 1984  (% _msthash="736729" _msttexthash="1907009" %)
1985 1985  Input password and ATZ to activate LHT65N,As shown below:
1986 1986  
1987 -[[image:image-20220615154519-3.png||height="672" width="807"]]
1971 +[[image:image-20220615154519-3.png]]
1988 1988  
1989 1989  
1990 1990  )))
1991 1991  
1976 +
1992 1992  == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1993 1993  
1994 -
1995 1995  [[image:image-20220615153355-1.png]]
1996 1996  
1997 -(% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1998 -
1999 1999  (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
2000 2000  
2001 2001  (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
... ... @@ -2002,13 +2002,9 @@
2002 2002  
2003 2003  (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
2004 2004  
2005 -[[image:image-20220620160241-6.jpeg||height="428" width="571"]]
1987 +Use after connection， ground wire（1 < - -> GND  < - ->  Black） for 1s and then pull it out.Then restart the device.
2006 2006  
2007 -Press reset after connecting the 4boot cable to enter the download mode.
2008 2008  
2009 -[[image:image-20220620160516-7.png||height="435" width="435"]]
2010 -
2011 -
2012 2012  (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
2013 2013  
2014 2014  [[image:image-20220615170542-5.png]]
... ... @@ -2026,7 +2026,7 @@
2026 2026  
2027 2027  (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2028 2028  
2029 -[[image:image-20220620160723-8.png]]
2007 +
2030 2030  )))
2031 2031  
2032 2032  (% _mstvisible="1" %)
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2098 2098  (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2099 2099  (% style="color:red" %)**E3**(%%): External Temperature Probe
2100 2100  
2079 +
2080 +(% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2101 2101  
2102 2102  )))
2103 2103  
... ... @@ -2121,6 +2121,11 @@
2121 2121  )))
2122 2122  * (% _mstvisible="3" %)
2123 2123  (((
2104 +(% _msthash="903337" _msttexthash="242567" _mstvisible="4" %)
2105 +Program cable x 1
2106 +)))
2107 +* (% _mstvisible="3" %)
2108 +(((
2124 2124  (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2125 2125  Optional external sensor
2126 2126  )))
... ... @@ -2146,6 +2146,9 @@
2146 2146  (% _mstvisible="3" %)
2147 2147  (((
2148 2148  
2134 +
2135 +(% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
2136 +
2149 2149  )))
2150 2150  
2151 2151  = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
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