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Last modified by Xiaoling on 2023/07/18 10:12
From version 187.1
edited by Edwin Chen
on 2022/07/03 11:17
Change comment: Uploaded new attachment "image-20220703111700-2.png", version {1}
To version 189.6
edited by Xiaoling
on 2022/07/22 10:36
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
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61 61  
62 62  
63 63  
64 -
65 65  == 1.3 Specification ==
66 66  
67 67  
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89 89  
90 90  
91 91  
92 -
93 93  = 2. Connect LHT65N to IoT Server =
94 94  
95 95  == 2.1 How does LHT65N work? ==
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168 168  [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
169 169  
170 170  
171 -Note: LHT65N use same payload as LHT65.
172 172  
170 +(% style="color:red" %)**Note: LHT65N use same payload as LHT65.**
173 173  
172 +
174 174  [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
175 175  
176 176  
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273 273  
274 274  
275 275  
276 -
277 -
278 278  === 2.4.1 Decoder in TTN V3 ===
279 279  
280 280  When the uplink payload arrives TTNv3, it shows HEX format and not friendly to read. We can add LHT65N decoder in TTNv3 for friendly reading.
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307 307  
308 308  
309 309  
310 -
311 -
312 312  === 2.4.3 Built-in Temperature ===
313 313  
314 314  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
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321 321  
322 322  
323 323  
324 -
325 -
326 326  === 2.4.4 Built-in Humidity ===
327 327  
328 328  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
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331 331  
332 332  
333 333  
334 -
335 -
336 336  === 2.4.5 Ext # ===
337 337  
338 338  Bytes for External Sensor:
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479 479  
480 480  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
481 481  
482 -[[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
473 +(% border="1" cellspacing="8" style="background-color:#ffffcc; color:green; width:520px" %)
474 +|(% style="width:60px" %)**Bits**|(% style="width:90px" %)**7**|(% style="width:100px" %)**6**|(% style="width:90px" %)**5**|(% style="width:100px" %)**4**|(% style="width:60px" %)**[3:0]**
475 +|(% style="width:96px" %)**Status&Ext**|(% style="width:124px" %)None-ACK Flag|(% style="width:146px" %)Poll Message FLAG|(% style="width:109px" %)Sync time OK|(% style="width:143px" %)Unix Time Request|(% style="width:106px" %)Ext: 0b(1001)
483 483  
484 -* Poll Message Flag:  1: This message is a poll message reply, 0: means this is a normal uplink.
485 -* 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.
486 -* 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)
477 +* (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
478 +* (% style="color:blue" %)**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.
479 +* (% style="color:blue" %)**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)
487 487  
488 488  
489 -
490 -
491 -
492 492  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
493 493  
494 494  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
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595 595  
596 596  There are two methods:
597 597  
598 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
599 -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.
588 +1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
589 +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 the network recovery.
600 600  
591 +Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
601 601  
593 +[[image:image-20220703111700-2.png||height="381" width="1119"]]
602 602  
603 603  
604 -
605 605  === 2.6.2 Unix TimeStamp ===
606 606  
607 607  
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1042 1042  )))
1043 1043  )))
1044 1044  
1036 +(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
1045 1045  
1038 +Total bytes: 8 bytes
1046 1046  
1040 +**Example:**AA0100010001003C
1041 +
1042 +WMOD=01
1043 +
1044 +CITEMP=0001
1045 +
1046 +TEMPlow=0001
1047 +
1048 +TEMPhigh=003C
1049 +
1050 +
1047 1047  == 2.8 LED Indicator ==
1048 1048  
1049 1049  The LHT65 has a triple color LED which for easy showing different stage .
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1060 1060  
1061 1061  
1062 1062  
1063 -
1064 1064  == 2.9 installation ==
1065 1065  
1066 1066  (% _mstvisible="1" %)
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1114 1114  
1115 1115  
1116 1116  
1117 -
1118 1118  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1119 1119  
1120 1120  (((
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1183 1183  
1184 1184  
1185 1185  
1186 -
1187 1187  == 4.2 Set External Sensor Mode ==
1188 1188  
1189 1189  Feature: Change External Sensor Mode.
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1208 1208  
1209 1209  
1210 1210  
1211 -
1212 1212  == 4.3 Enable/Disable uplink Temperature probe ID ==
1213 1213  
1214 1214  (((
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1239 1239  
1240 1240  
1241 1241  
1242 -
1243 1243  == 4.4 Set Password ==
1244 1244  
1245 1245  Feature: Set device password, max 9 digits
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1289 1289  
1290 1290  
1291 1291  
1292 -
1293 1293  == 4.7 Set system time ==
1294 1294  
1295 1295  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
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1389 1389  
1390 1390  
1391 1391  
1392 -
1393 1393  == 4.13 Auto Send None-ACK messages ==
1394 1394  
1395 1395  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
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1411 1411  
1412 1412  
1413 1413  
1414 -
1415 1415  = 5. Battery & How to replace =
1416 1416  
1417 1417  == 5.1 Battery Type ==
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1867 1867  
1868 1868  
1869 1869  
1870 -
1871 1871  = 8. Packing Info =
1872 1872  
1873 1873  
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1884 1884  
1885 1885  
1886 1886  
1887 -
1888 1888  = 9. Reference material =
1889 1889  
1890 1890  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
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1892 1892  
1893 1893  
1894 1894  
1895 -
1896 1896  = 10. FCC Warning =
1897 1897  
1898 1898  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions: