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Last modified by Xiaoling on 2023/07/18 10:12
From version 230.2
edited by Xiaoling
on 2023/03/13 16:24
Change comment: There is no comment for this version
To version 230.1
edited by Bei Jinggeng
on 2023/03/13 09:40
Change comment: There is no comment for this version

Summary

Details

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Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
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58 58  * Datalog feature (Max 3328 records)
59 59  
60 60  
61 -
62 62  == 1.3 Specification ==
63 63  
64 64  
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84 84  * Operating Range: -55 °C ~~ 125 °C
85 85  
86 86  
87 -
88 88  = 2. Connect LHT65N to IoT Server =
89 89  
90 90  == 2.1 How does LHT65N work? ==
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237 237  * The 8^^th^^ ~~ 11^^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.)
238 238  
239 239  
240 -
241 241  === 2.4.1 Decoder in TTN V3 ===
242 242  
243 243  
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266 266  * Battery Voltage =0xCBA4&0x3FFF=0x0BA4=2980mV
267 267  
268 268  
269 -
270 270  === 2.4.3 Built-in Temperature ===
271 271  
272 272  
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279 279  * Temperature:  (0xF5C6-65536)/100=-26.18℃
280 280  
281 281  
282 -
283 283  === 2.4.4 Built-in Humidity ===
284 284  
285 285  
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288 288  * Humidity:    0x025C/10=60.4%
289 289  
290 290  
291 -
292 292  === 2.4.5 Ext # ===
293 293  
294 294  
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390 390  * (% 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)
391 391  
392 392  
393 -
394 394  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
395 395  
396 396  
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976 976  * For each success downlink, the PURPLE LED will blink once
977 977  
978 978  
979 -
980 980  == 2.9 installation ==
981 981  
982 982  
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1030 1030  * Working voltage 2.35v ~~ 5v
1031 1031  
1032 1032  
1033 -
1034 1034  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1035 1035  
1036 1036  
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1100 1100  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1101 1101  
1102 1102  
1103 -
1104 1104  == 4.2 Set External Sensor Mode ==
1105 1105  
1106 1106  
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1125 1125  * 0xA20702003c: Same as AT+SETCNT=60
1126 1126  
1127 1127  
1128 -
1129 1129  == 4.3 Enable/Disable uplink Temperature probe ID ==
1130 1130  
1131 1131  
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1157 1157  * **0xA801**     **~-~->** AT+PID=1
1158 1158  
1159 1159  
1160 -
1161 1161  == 4.4 Set Password ==
1162 1162  
1163 1163  
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1208 1208  * There is no downlink command to set to Sleep mode.
1209 1209  
1210 1210  
1211 -
1212 1212  == 4.7 Set system time ==
1213 1213  
1214 1214  
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1313 1313  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1314 1314  
1315 1315  
1316 -
1317 1317  == 4.13 Auto Send None-ACK messages ==
1318 1318  
1319 1319  
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1333 1333  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1334 1334  
1335 1335  
1336 -
1337 1337  == 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm（Since firmware 1.3.0） ==
1338 1338  
1339 1339  
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1779 1779  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1780 1780  
1781 1781  
1782 -
1783 1783  = 8. Packing Info =
1784 1784  
1785 1785  
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1794 1794  * Device Weight: 120.5g
1795 1795  
1796 1796  
1797 -
1798 1798  = 9. Reference material =
1799 1799  
1800 1800  
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1801 1801  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0]]
1802 1802  
1803 1803  
1804 -
1805 1805  = 10. FCC Warning =
1806 1806  
1807 1807