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Last modified by Xiaoling on 2023/07/18 10:12
From version 231.2
edited by Xiaoling
on 2023/03/15 17:03
Change comment: There is no comment for this version
To version 232.1
edited by Bei Jinggeng
on 2023/03/21 09:41
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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267 267  * Battery Voltage =0xCBA4&0x3FFF=0x0BA4=2980mV
268 268  
269 269  
270 -
271 271  === 2.4.3 Built-in Temperature ===
272 272  
273 273  
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280 280  * Temperature:  (0xF5C6-65536)/100=-26.18℃
281 281  
282 282  
283 -
284 284  === 2.4.4 Built-in Humidity ===
285 285  
286 286  
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289 289  * Humidity:    0x025C/10=60.4%
290 290  
291 291  
292 -
293 293  === 2.4.5 Ext # ===
294 294  
295 295  
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391 391  * (% 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)
392 392  
393 393  
394 -
395 395  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
396 396  
397 397  
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977 977  * For each success downlink, the PURPLE LED will blink once
978 978  
979 979  
980 -
981 981  == 2.9 installation ==
982 982  
983 983  
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1031 1031  * Working voltage 2.35v ~~ 5v
1032 1032  
1033 1033  
1034 -
1035 1035  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1036 1036  
1037 1037  
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1101 1101  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1102 1102  
1103 1103  
1104 -
1105 1105  == 4.2 Set External Sensor Mode ==
1106 1106  
1107 1107  
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1126 1126  * 0xA20702003c: Same as AT+SETCNT=60
1127 1127  
1128 1128  
1129 -
1130 1130  == 4.3 Enable/Disable uplink Temperature probe ID ==
1131 1131  
1132 1132  
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1158 1158  * **0xA801**     **~-~->** AT+PID=1
1159 1159  
1160 1160  
1161 -
1162 1162  == 4.4 Set Password ==
1163 1163  
1164 1164  
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1209 1209  * There is no downlink command to set to Sleep mode.
1210 1210  
1211 1211  
1212 -
1213 1213  == 4.7 Set system time ==
1214 1214  
1215 1215  
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1314 1314  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1315 1315  
1316 1316  
1317 -
1318 1318  == 4.13 Auto Send None-ACK messages ==
1319 1319  
1320 1320  
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1334 1334  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1335 1335  
1336 1336  
1337 -
1338 1338  == 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm（Since firmware 1.3.0） ==
1339 1339  
1340 1340  
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1653 1653  [[image:image-20220615153355-1.png||_mstalt="430222"]]
1654 1654  
1655 1655  
1656 -(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1641 +(% style="color:blue" %)**Step1**(%%): Install [[TremoProgrammer>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AAAnJD_qGZ42bB52o4UmH9v9a/LHT65N%20Temperature%20%26%20Humidity%20Sensor/tool?dl=0&subfolder_nav_tracking=1]]  first.
1657 1657  
1658 1658  [[image:image-20220615170542-5.png||_mstalt="430638"]]
1659 1659  
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1719 1719  [[image:image-20220623110706-1.png||_mstalt="427869"]]
1720 1720  
1721 1721  
1722 -(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1707 +(% style="color:blue" %)**Step1**(%%): Install [[TremoProgrammer>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AAAnJD_qGZ42bB52o4UmH9v9a/LHT65N%20Temperature%20%26%20Humidity%20Sensor/tool?dl=0&subfolder_nav_tracking=1]]  first.
1723 1723  
1724 1724  [[image:image-20220615170542-5.png||_mstalt="430638"]]
1725 1725  
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1780 1780  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1781 1781  
1782 1782  
1783 -
1784 1784  = 8. Packing Info =
1785 1785  
1786 1786  
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1795 1795  * Device Weight: 120.5g
1796 1796  
1797 1797  
1798 -
1799 1799  = 9. Reference material =
1800 1800  
1801 1801  
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1802 1802  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0]]
1803 1803  
1804 1804  
1805 -
1806 1806  = 10. FCC Warning =
1807 1807  
1808 1808