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Last modified by Mengting Qiu on 2025/07/03 14:48
From version 148.16
edited by Xiaoling
on 2022/06/17 15:07
Change comment: There is no comment for this version
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
... ... @@ -1,1 +1,1 @@
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  (((
... ... @@ -24,40 +24,33 @@
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  
... ... @@ -77,9 +77,6 @@
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  
... ... @@ -368,9 +368,6 @@
368 368  * The 7th byte (EXT #): defines the external sensor model.
369 369  * 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.)
370 370  
371 -
372 -
373 -
374 374  (% _mstvisible="1" %)
375 375  === (% _msthash="360269" _msttexthash="333762" _mstvisible="3" %)2.4.1 Decoder in TTN V3(%%) ===
376 376  
... ... @@ -407,9 +407,6 @@
407 407  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
408 408  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
409 409  
410 -
411 -
412 -
413 413  (% _mstvisible="1" %)
414 414  === (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) ===
415 415  
... ... @@ -425,9 +425,6 @@
425 425  (% _mstvisible="1" %)
426 426  * Temperature:  (0xF5C6-65536)/100=-26.18℃
427 427  
428 -
429 -
430 -
431 431  (% _mstvisible="1" %)
432 432  === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
433 433  
... ... @@ -437,9 +437,6 @@
437 437  (% _mstvisible="1" %)
438 438  * Humidity:    0x025C/10=60.4%
439 439  
440 -
441 -
442 -
443 443  (% _mstvisible="1" %)
444 444  === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
445 445  
... ... @@ -486,7 +486,6 @@
486 486  )))
487 487  
488 488  
489 -
490 490  (% _mstvisible="1" %)
491 491  ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
492 492  
... ... @@ -607,9 +607,18 @@
607 607  * 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.
608 608  * 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)
609 609  
587 +==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable)(%%) ====
610 610  
589 +In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
611 611  
591 +be used to power the external ADC sensor; user can control the power on time for this
612 612  
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 +
613 613  (% _mstvisible="1" %)
614 614  == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
615 615  
... ... @@ -672,9 +672,6 @@
672 672  1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
673 673  1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover.
674 674  
675 -
676 -
677 -
678 678  (% _mstvisible="1" %)
679 679  === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
680 680  
... ... @@ -1173,6 +1173,17 @@
1173 1173  = (% _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(%%) =
1174 1174  
1175 1175  (% _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;" %)
1176 1176  == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1177 1177  
1178 1178  (% _mstvisible="1" %)
... ... @@ -1190,9 +1190,6 @@
1190 1190  * -55°C to 125°C
1191 1191  * Working voltage 2.35v ~~ 5v
1192 1192  
1193 -
1194 -
1195 -
1196 1196  (% _mstvisible="1" style="text-align: left;" %)
1197 1197  = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1198 1198  
... ... @@ -1668,6 +1668,7 @@
1668 1668  (% _mstvisible="1" %)
1669 1669  [[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"]]
1670 1670  
1662 +
1671 1671  (% _mstvisible="1" %)
1672 1672  == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1673 1673  
... ... @@ -1930,7 +1930,7 @@
1930 1930  (% _msthash="506131" _msttexthash="14585714" %)
1931 1931  AT commands：
1932 1932  
1933 -[[image:image-20220615092034-1.png||_mstalt="428870"]]
1925 +[[image:image-20220620153708-1.png||height="603" width="723"]]
1934 1934  
1935 1935  (% _msthash="506132" _msttexthash="337922" %)
1936 1936  Downlink commands:
... ... @@ -1939,13 +1939,13 @@
1939 1939  (% _msthash="506133" _msttexthash="33046" %)
1940 1940  **TTN:**
1941 1941  
1942 -[[image:image-20220615092124-2.png||_mstalt="429221" height="843" width="893"]]
1934 +[[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1943 1943  
1944 1944  
1945 1945  (% _msthash="506134" _msttexthash="11113791" %)
1946 1946  **Helium：**
1947 1947  
1948 -[[image:image-20220615092551-3.png||_mstalt="430794" height="556" width="1097"]]
1940 +[[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1949 1949  
1950 1950  
1951 1951  (% _msthash="506135" _msttexthash="4159844" %)
... ... @@ -1953,13 +1953,13 @@
1953 1953  
1954 1954  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1955 1955  
1956 -[[image:image-20220615094904-7.png||_mstalt="433485" height="329" width="1067"]]
1948 +[[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1957 1957  
1958 1958  
1959 1959  (% _msthash="506136" _msttexthash="39286" %)
1960 1960  **Aws:**
1961 1961  
1962 -[[image:image-20220615092939-4.png||_mstalt="434460" height="532" width="1062"]]
1954 +[[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1963 1963  
1964 1964  
1965 1965  == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
... ... @@ -1972,6 +1972,8 @@
1972 1972  
1973 1973  [[image:image-20220615153355-1.png]]
1974 1974  
1967 +[[image:image-20220620154900-5.jpeg||height="427" width="570"]]
1968 +
1975 1975  (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1976 1976  
1977 1977  (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
... ... @@ -1978,9 +1978,10 @@
1978 1978  
1979 1979  (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1980 1980  
1981 -[[image:image-20220615153914-2.jpeg||height="608" width="456"]]
1982 1982  
1976 +To switch from download mode to command mode, press reset key
1983 1983  
1978 +
1984 1984  (((
1985 1985  (% _msthash="736728" _msttexthash="67213055" %)
1986 1986  (((
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1992 1992  (% _msthash="736729" _msttexthash="1907009" %)
1993 1993  Input password and ATZ to activate LHT65N,As shown below:
1994 1994  
1995 -[[image:image-20220615154519-3.png]]
1990 +[[image:image-20220615154519-3.png||height="672" width="807"]]
1996 1996  
1997 1997  
1998 1998  )))
1999 1999  
2000 -
2001 2001  == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
2002 2002  
1997 +
2003 2003  [[image:image-20220615153355-1.png]]
2004 2004  
2000 +(% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
2001 +
2005 2005  (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
2006 2006  
2007 2007  (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
... ... @@ -2008,9 +2008,13 @@
2008 2008  
2009 2009  (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
2010 2010  
2011 -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"]]
2012 2012  
2010 +Press reset after connecting the 4boot cable to enter the download mode.
2013 2013  
2012 +[[image:image-20220620160516-7.png||height="435" width="435"]]
2013 +
2014 +
2014 2014  (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
2015 2015  
2016 2016  [[image:image-20220615170542-5.png]]
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2028 2028  
2029 2029  (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2030 2030  
2031 -
2032 +[[image:image-20220620160723-8.png]]
2032 2032  )))
2033 2033  
2034 2034  (% _mstvisible="1" %)
... ... @@ -2100,8 +2100,6 @@
2100 2100  (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2101 2101  (% style="color:red" %)**E3**(%%): External Temperature Probe
2102 2102  
2103 -
2104 -(% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2105 2105  
2106 2106  )))
2107 2107  
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2150 2150  (% _mstvisible="3" %)
2151 2151  (((
2152 2152  
2153 -
2154 -(% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
2155 -
2156 2156  )))
2157 2157  
2158 2158  = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
... ... @@ -2159,8 +2159,6 @@
2159 2159  
2160 2160  * [[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"]]
2161 2161  
2162 -
2163 -
2164 2164  = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2165 2165  
2166 2166  (% _mstvisible="1" %)
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