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Last modified by Mengting Qiu on 2025/07/03 14:48
From version 147.18
edited by Xiaoling
on 2022/06/17 14:58
Change comment: There is no comment for this version
To version 148.25
edited by Xiaoling
on 2022/06/17 15:11
Change comment: There is no comment for this version

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Content
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22 22  (% _mstvisible="1" %)
23 23  (((
24 24  (% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
25 +
26 +
27 +(% _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  )))
27 27  
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74 74  * Tri-color LED to indicate working status
75 75  * Datalog feature
76 76  
80 +
77 77  (% _mstvisible="1" %)
78 78  == (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
79 79  
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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. 
209 +* (% 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.
210 +* (% 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  (((
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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"]]
248 +[[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:
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362 362  * The 7th byte (EXT #): defines the external sensor model.
363 363  * 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.)
364 364  
369 +
365 365  (% _mstvisible="1" %)
366 366  === (% _msthash="360269" _msttexthash="333762" _mstvisible="3" %)2.4.1 Decoder in TTN V3(%%) ===
367 367  
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398 398  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
399 399  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
400 400  
406 +
401 401  (% _mstvisible="1" %)
402 402  === (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) ===
403 403  
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413 413  (% _mstvisible="1" %)
414 414  * Temperature:  (0xF5C6-65536)/100=-26.18℃
415 415  
422 +
416 416  (% _mstvisible="1" %)
417 417  === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
418 418  
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422 422  (% _mstvisible="1" %)
423 423  * Humidity:    0x025C/10=60.4%
424 424  
432 +
425 425  (% _mstvisible="1" %)
426 426  === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
427 427  
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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  
592 592  
593 -
594 594  (% _mstvisible="1" %)
595 595  == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
596 596  
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654 654  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.
655 655  
656 656  
657 -
658 658  (% _mstvisible="1" %)
659 659  === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
660 660  
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1171 1171  * Working voltage 2.35v ~~ 5v
1172 1172  
1173 1173  
1174 -
1175 1175  (% _mstvisible="1" style="text-align: left;" %)
1176 1176  = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1177 1177  
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1388 1388  * 0xA801     **~-~->** AT+PID=1
1389 1389  
1390 1390  
1391 -
1392 1392  (% _mstvisible="1" style="text-align: left;" %)
1393 1393  == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1394 1394  
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1461 1461  * There is no downlink command to set to Sleep mode.
1462 1462  
1463 1463  
1464 -
1465 1465  (% _mstvisible="1" %)
1466 1466  == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1467 1467  
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1597 1597  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1598 1598  
1599 1599  
1600 -
1601 1601  (% _mstvisible="1" %)
1602 1602  == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1603 1603  
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1622 1622  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1623 1623  
1624 1624  
1625 -
1626 1626  (% _mstvisible="1" %)
1627 1627  = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1628 1628  
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1655 1655  (% _mstvisible="1" %)
1656 1656  [[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"]]
1657 1657  
1659 +
1658 1658  (% _mstvisible="1" %)
1659 1659  == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1660 1660  
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1984 1984  
1985 1985  )))
1986 1986  
1987 -
1988 1988  == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1989 1989  
1990 1990  [[image:image-20220615153355-1.png]]
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2087 2087  (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2088 2088  (% style="color:red" %)**E3**(%%): External Temperature Probe
2089 2089  
2090 -
2091 -(% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2092 2092  
2093 2093  )))
2094 2094  
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2112 2112  )))
2113 2113  * (% _mstvisible="3" %)
2114 2114  (((
2115 -(% _msthash="903337" _msttexthash="242567" _mstvisible="4" %)
2116 -Program cable x 1
2117 -)))
2118 -* (% _mstvisible="3" %)
2119 -(((
2120 2120  (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2121 2121  Optional external sensor
2122 2122  )))
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2142 2142  (% _mstvisible="3" %)
2143 2143  (((
2144 2144  
2145 -
2146 -(% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
2147 -
2148 2148  )))
2149 2149  
2150 2150  = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
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2151 2151  
2152 2152  * [[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"]]
2153 2153  
2145 +
2146 +
2147 +
2154 2154  = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2155 2155  
2156 2156  (% _mstvisible="1" %)
image-20220617150003-1.jpeg
Author
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1 +XWiki.Xiaoling
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1 +16.5 KB
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