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Last modified by Xiaoling on 2023/07/18 10:12
From version 189.7
edited by Xiaoling
on 2022/07/22 11:10
Change comment: There is no comment for this version
To version 188.1
edited by Edwin Chen
on 2022/07/03 11:17
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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60 60  
61 61  
62 62  
63 +
63 63  == 1.3 Specification ==
64 64  
65 65  
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86 86  
87 87  
88 88  
90 +
89 89  = 2. Connect LHT65N to IoT Server =
90 90  
91 91  == 2.1 How does LHT65N work? ==
... ... @@ -164,10 +164,9 @@
164 164  [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
165 165  
166 166  
169 +Note: LHT65N use same payload as LHT65.
167 167  
168 -(% style="color:red" %)**Note: LHT65N use same payload as LHT65.**
169 169  
170 -
171 171  [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
172 172  
173 173  
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266 266  
267 267  * The First 6 bytes: has fix meanings for every LHT65N.
268 268  * The 7th byte (EXT #): defines the external sensor model.
269 -* 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.)
270 +* 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.)
270 270  
271 271  
272 272  
274 +
273 273  === 2.4.1 Decoder in TTN V3 ===
274 274  
275 275  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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302 302  
303 303  
304 304  
307 +
305 305  === 2.4.3 Built-in Temperature ===
306 306  
307 307  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
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314 314  
315 315  
316 316  
320 +
317 317  === 2.4.4 Built-in Humidity ===
318 318  
319 319  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
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322 322  
323 323  
324 324  
329 +
325 325  === 2.4.5 Ext # ===
326 326  
327 327  Bytes for External Sensor:
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468 468  
469 469  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
470 470  
471 -(% border="1" cellspacing="8" style="background-color:#ffffcc; color:green; width:520px" %)
472 -|(% 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]**
473 -|(% 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)
476 +[[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
474 474  
475 -* (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
476 -* (% 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.
477 -* (% 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)
478 +* Poll Message Flag:  1: This message is a poll message reply, 0: means this is a normal uplink.
479 +* 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.
480 +* 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)
478 478  
479 479  
480 480  
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1033 1033  )))
1034 1034  )))
1035 1035  
1036 -(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
1037 1037  
1038 -Total bytes: 8 bytes
1039 1039  
1040 -**Example:**AA0100010001003C
1041 -
1042 -WMOD=01
1043 -
1044 -CITEMP=0001
1045 -
1046 -TEMPlow=0001
1047 -
1048 -TEMPhigh=003C
1049 -
1050 -
1051 1051  == 2.8 LED Indicator ==
1052 1052  
1053 1053  The LHT65 has a triple color LED which for easy showing different stage .
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1063 1063  
1064 1064  
1065 1065  
1056 +
1066 1066  == 2.9 installation ==
1067 1067  
1068 1068  (% _mstvisible="1" %)
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1115 1115  
1116 1116  
1117 1117  
1109 +
1118 1118  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1119 1119  
1120 1120  (((
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1182 1182  
1183 1183  
1184 1184  
1177 +
1185 1185  == 4.2 Set External Sensor Mode ==
1186 1186  
1187 1187  Feature: Change External Sensor Mode.
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1205 1205  
1206 1206  
1207 1207  
1201 +
1208 1208  == 4.3 Enable/Disable uplink Temperature probe ID ==
1209 1209  
1210 1210  (((
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1234 1234  
1235 1235  
1236 1236  
1231 +
1237 1237  == 4.4 Set Password ==
1238 1238  
1239 1239  Feature: Set device password, max 9 digits
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1282 1282  
1283 1283  
1284 1284  
1280 +
1285 1285  == 4.7 Set system time ==
1286 1286  
1287 1287  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
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1380 1380  
1381 1381  
1382 1382  
1379 +
1383 1383  == 4.13 Auto Send None-ACK messages ==
1384 1384  
1385 1385  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
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1400 1400  
1401 1401  
1402 1402  
1400 +
1403 1403  = 5. Battery & How to replace =
1404 1404  
1405 1405  == 5.1 Battery Type ==
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1854 1854  
1855 1855  
1856 1856  
1855 +
1857 1857  = 8. Packing Info =
1858 1858  
1859 1859  
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1869 1869  
1870 1870  
1871 1871  
1871 +
1872 1872  = 9. Reference material =
1873 1873  
1874 1874  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
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1875 1875  
1876 1876  
1877 1877  
1878 +
1878 1878  = 10. FCC Warning =
1879 1879  
1880 1880  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions: