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Last modified by Mengting Qiu on 2025/07/03 14:48
From version 147.19
edited by Xiaoling
on 2022/06/17 14:59
Change comment: There is no comment for this version
To version 149.1
edited by Edwin Chen
on 2022/06/19 09:22
Change comment: Uploaded new attachment "image-20220619092222-1.png", version {1}

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
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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414 414  * Temperature:  (0xF5C6-65536)/100=-26.18℃
415 415  
416 416  
417 -
418 418  (% _mstvisible="1" %)
419 419  === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
420 420  
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424 424  (% _mstvisible="1" %)
425 425  * Humidity:    0x025C/10=60.4%
426 426  
432 +
427 427  (% _mstvisible="1" %)
428 428  === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
429 429  
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592 592  * 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)
593 593  
594 594  
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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656 656  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.
657 657  
658 658  
659 -
660 660  (% _mstvisible="1" %)
661 661  === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
662 662  
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1173 1173  * Working voltage 2.35v ~~ 5v
1174 1174  
1175 1175  
1176 -
1177 1177  (% _mstvisible="1" style="text-align: left;" %)
1178 1178  = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1179 1179  
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1390 1390  * 0xA801     **~-~->** AT+PID=1
1391 1391  
1392 1392  
1393 -
1394 1394  (% _mstvisible="1" style="text-align: left;" %)
1395 1395  == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1396 1396  
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1463 1463  * There is no downlink command to set to Sleep mode.
1464 1464  
1465 1465  
1466 -
1467 1467  (% _mstvisible="1" %)
1468 1468  == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1469 1469  
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1599 1599  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1600 1600  
1601 1601  
1602 -
1603 1603  (% _mstvisible="1" %)
1604 1604  == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1605 1605  
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1624 1624  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1625 1625  
1626 1626  
1627 -
1628 1628  (% _mstvisible="1" %)
1629 1629  = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1630 1630  
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1657 1657  (% _mstvisible="1" %)
1658 1658  [[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"]]
1659 1659  
1659 +
1660 1660  (% _mstvisible="1" %)
1661 1661  == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1662 1662  
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1986 1986  
1987 1987  )))
1988 1988  
1989 -
1990 1990  == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1991 1991  
1992 1992  [[image:image-20220615153355-1.png]]
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2089 2089  (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2090 2090  (% style="color:red" %)**E3**(%%): External Temperature Probe
2091 2091  
2092 -
2093 -(% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2094 2094  
2095 2095  )))
2096 2096  
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2114 2114  )))
2115 2115  * (% _mstvisible="3" %)
2116 2116  (((
2117 -(% _msthash="903337" _msttexthash="242567" _mstvisible="4" %)
2118 -Program cable x 1
2119 -)))
2120 -* (% _mstvisible="3" %)
2121 -(((
2122 2122  (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2123 2123  Optional external sensor
2124 2124  )))
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2144 2144  (% _mstvisible="3" %)
2145 2145  (((
2146 2146  
2147 -
2148 -(% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
2149 -
2150 2150  )))
2151 2151  
2152 2152  = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
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2153 2153  
2154 2154  * [[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"]]
2155 2155  
2145 +
2146 +
2147 +
2156 2156  = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2157 2157  
2158 2158  (% _mstvisible="1" %)
image-20220617150003-1.jpeg
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1 +XWiki.Xiaoling
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image-20220619092222-1.png
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1 +XWiki.Edwin
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1 +530.7 KB
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