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Last modified by Mengting Qiu on 2025/07/03 14:48
From version 148.17
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

Summary

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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
... ... @@ -1,23 +1,23 @@
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  
... ... @@ -1408,9 +1408,6 @@
1408 1408  * 0xA800  **~-~->** AT+PID=0
1409 1409  * 0xA801     **~-~->** AT+PID=1
1410 1410  
1411 -
1412 -
1413 -
1414 1414  (% _mstvisible="1" style="text-align: left;" %)
1415 1415  == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1416 1416  
... ... @@ -1671,6 +1671,7 @@
1671 1671  (% _mstvisible="1" %)
1672 1672  [[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"]]
1673 1673  
1662 +
1674 1674  (% _mstvisible="1" %)
1675 1675  == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1676 1676  
... ... @@ -1933,7 +1933,7 @@
1933 1933  (% _msthash="506131" _msttexthash="14585714" %)
1934 1934  AT commands：
1935 1935  
1936 -[[image:image-20220615092034-1.png||_mstalt="428870"]]
1925 +[[image:image-20220620153708-1.png||height="603" width="723"]]
1937 1937  
1938 1938  (% _msthash="506132" _msttexthash="337922" %)
1939 1939  Downlink commands:
... ... @@ -1942,13 +1942,13 @@
1942 1942  (% _msthash="506133" _msttexthash="33046" %)
1943 1943  **TTN:**
1944 1944  
1945 -[[image:image-20220615092124-2.png||_mstalt="429221" height="843" width="893"]]
1934 +[[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1946 1946  
1947 1947  
1948 1948  (% _msthash="506134" _msttexthash="11113791" %)
1949 1949  **Helium：**
1950 1950  
1951 -[[image:image-20220615092551-3.png||_mstalt="430794" height="556" width="1097"]]
1940 +[[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1952 1952  
1953 1953  
1954 1954  (% _msthash="506135" _msttexthash="4159844" %)
... ... @@ -1956,13 +1956,13 @@
1956 1956  
1957 1957  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1958 1958  
1959 -[[image:image-20220615094904-7.png||_mstalt="433485" height="329" width="1067"]]
1948 +[[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1960 1960  
1961 1961  
1962 1962  (% _msthash="506136" _msttexthash="39286" %)
1963 1963  **Aws:**
1964 1964  
1965 -[[image:image-20220615092939-4.png||_mstalt="434460" height="532" width="1062"]]
1954 +[[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1966 1966  
1967 1967  
1968 1968  == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
... ... @@ -1975,6 +1975,8 @@
1975 1975  
1976 1976  [[image:image-20220615153355-1.png]]
1977 1977  
1967 +[[image:image-20220620154900-5.jpeg||height="427" width="570"]]
1968 +
1978 1978  (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1979 1979  
1980 1980  (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
... ... @@ -1981,9 +1981,10 @@
1981 1981  
1982 1982  (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1983 1983  
1984 -[[image:image-20220615153914-2.jpeg||height="608" width="456"]]
1985 1985  
1976 +To switch from download mode to command mode, press reset key
1986 1986  
1978 +
1987 1987  (((
1988 1988  (% _msthash="736728" _msttexthash="67213055" %)
1989 1989  (((
... ... @@ -1995,16 +1995,18 @@
1995 1995  (% _msthash="736729" _msttexthash="1907009" %)
1996 1996  Input password and ATZ to activate LHT65N,As shown below:
1997 1997  
1998 -[[image:image-20220615154519-3.png]]
1990 +[[image:image-20220615154519-3.png||height="672" width="807"]]
1999 1999  
2000 2000  
2001 2001  )))
2002 2002  
2003 -
2004 2004  == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
2005 2005  
1997 +
2006 2006  [[image:image-20220615153355-1.png]]
2007 2007  
2000 +(% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
2001 +
2008 2008  (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
2009 2009  
2010 2010  (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
... ... @@ -2011,9 +2011,13 @@
2011 2011  
2012 2012  (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
2013 2013  
2014 -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"]]
2015 2015  
2010 +Press reset after connecting the 4boot cable to enter the download mode.
2016 2016  
2012 +[[image:image-20220620160516-7.png||height="435" width="435"]]
2013 +
2014 +
2017 2017  (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
2018 2018  
2019 2019  [[image:image-20220615170542-5.png]]
... ... @@ -2031,7 +2031,7 @@
2031 2031  
2032 2032  (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2033 2033  
2034 -
2032 +[[image:image-20220620160723-8.png]]
2035 2035  )))
2036 2036  
2037 2037  (% _mstvisible="1" %)
... ... @@ -2103,8 +2103,6 @@
2103 2103  (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2104 2104  (% style="color:red" %)**E3**(%%): External Temperature Probe
2105 2105  
2106 -
2107 -(% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2108 2108  
2109 2109  )))
2110 2110  
... ... @@ -2153,9 +2153,6 @@
2153 2153  (% _mstvisible="3" %)
2154 2154  (((
2155 2155  
2156 -
2157 -(% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
2158 -
2159 2159  )))
2160 2160  
2161 2161  = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
... ... @@ -2162,8 +2162,6 @@
2162 2162  
2163 2163  * [[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"]]
2164 2164  
2165 -
2166 -
2167 2167  = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2168 2168  
2169 2169  (% _mstvisible="1" %)
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