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

Summary

Details

Page properties
Author
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1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
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58 58  * Datalog feature (Max 3328 records)
59 59  
60 60  
61 +
61 61  == 1.3 Specification ==
62 62  
63 63  
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83 83  * Operating Range: -55 °C ~~ 125 °C
84 84  
85 85  
87 +
86 86  = 2. Connect LHT65N to IoT Server =
87 87  
88 88  == 2.1 How does LHT65N work? ==
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235 235  * 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.)
236 236  
237 237  
240 +
238 238  === 2.4.1 Decoder in TTN V3 ===
239 239  
240 240  
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263 263  * Battery Voltage =0xCBA4&0x3FFF=0x0BA4=2980mV
264 264  
265 265  
269 +
266 266  === 2.4.3 Built-in Temperature ===
267 267  
268 268  
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275 275  * Temperature:  (0xF5C6-65536)/100=-26.18℃
276 276  
277 277  
282 +
278 278  === 2.4.4 Built-in Humidity ===
279 279  
280 280  
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283 283  * Humidity:    0x025C/10=60.4%
284 284  
285 285  
291 +
286 286  === 2.4.5 Ext # ===
287 287  
288 288  
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384 384  * (% 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)
385 385  
386 386  
393 +
387 387  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
388 388  
389 389  
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969 969  * For each success downlink, the PURPLE LED will blink once
970 970  
971 971  
979 +
972 972  == 2.9 installation ==
973 973  
974 974  
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1022 1022  * Working voltage 2.35v ~~ 5v
1023 1023  
1024 1024  
1033 +
1025 1025  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1026 1026  
1027 1027  
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1091 1091  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1092 1092  
1093 1093  
1103 +
1094 1094  == 4.2 Set External Sensor Mode ==
1095 1095  
1096 1096  
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1115 1115  * 0xA20702003c: Same as AT+SETCNT=60
1116 1116  
1117 1117  
1128 +
1118 1118  == 4.3 Enable/Disable uplink Temperature probe ID ==
1119 1119  
1120 1120  
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1146 1146  * **0xA801**     **~-~->** AT+PID=1
1147 1147  
1148 1148  
1160 +
1149 1149  == 4.4 Set Password ==
1150 1150  
1151 1151  
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1196 1196  * There is no downlink command to set to Sleep mode.
1197 1197  
1198 1198  
1211 +
1199 1199  == 4.7 Set system time ==
1200 1200  
1201 1201  
... ... @@ -1300,6 +1300,7 @@
1300 1300  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1301 1301  
1302 1302  
1316 +
1303 1303  == 4.13 Auto Send None-ACK messages ==
1304 1304  
1305 1305  
... ... @@ -1319,6 +1319,7 @@
1319 1319  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1320 1320  
1321 1321  
1336 +
1322 1322  == 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm（Since firmware 1.3.0） ==
1323 1323  
1324 1324  
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1764 1764  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1765 1765  
1766 1766  
1782 +
1767 1767  = 8. Packing Info =
1768 1768  
1769 1769  
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1778 1778  * Device Weight: 120.5g
1779 1779  
1780 1780  
1797 +
1781 1781  = 9. Reference material =
1782 1782  
1783 1783  
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1784 1784  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0]]
1785 1785  
1786 1786  
1804 +
1787 1787  = 10. FCC Warning =
1788 1788  
1789 1789