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Last modified by Xiaoling on 2023/07/18 10:12
From version 227.1
edited by Bei Jinggeng
on 2023/02/01 11:11
Change comment: There is no comment for this version
To version 226.2
edited by Xiaoling
on 2023/01/29 11:46
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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59 59  * Datalog feature (Max 3328 records)
60 60  
61 61  
62 +
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  
88 +
87 87  = 2. Connect LHT65N to IoT Server =
88 88  
89 89  == 2.1 How does LHT65N work? ==
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236 236  * 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.)
237 237  
238 238  
241 +
239 239  === 2.4.1 Decoder in TTN V3 ===
240 240  
241 241  
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264 264  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
265 265  
266 266  
270 +
267 267  === 2.4.3 Built-in Temperature ===
268 268  
269 269  
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276 276  * Temperature:  (0xF5C6-65536)/100=-26.18℃
277 277  
278 278  
283 +
279 279  === 2.4.4 Built-in Humidity ===
280 280  
281 281  
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284 284  * Humidity:    0x025C/10=60.4%
285 285  
286 286  
292 +
287 287  === 2.4.5 Ext # ===
288 288  
289 289  
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380 380  * (% 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)
381 381  
382 382  
389 +
383 383  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
384 384  
385 385  
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963 963  * For each success downlink, the PURPLE LED will blink once
964 964  
965 965  
973 +
966 966  == 2.9 installation ==
967 967  
968 968  
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1016 1016  * Working voltage 2.35v ~~ 5v
1017 1017  
1018 1018  
1027 +
1019 1019  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1020 1020  
1021 1021  
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1085 1085  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1086 1086  
1087 1087  
1097 +
1088 1088  == 4.2 Set External Sensor Mode ==
1089 1089  
1090 1090  
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1109 1109  * 0xA20702003c: Same as AT+SETCNT=60
1110 1110  
1111 1111  
1122 +
1112 1112  == 4.3 Enable/Disable uplink Temperature probe ID ==
1113 1113  
1114 1114  
... ... @@ -1140,6 +1140,7 @@
1140 1140  * **0xA801**     **~-~->** AT+PID=1
1141 1141  
1142 1142  
1154 +
1143 1143  == 4.4 Set Password ==
1144 1144  
1145 1145  
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1190 1190  * There is no downlink command to set to Sleep mode.
1191 1191  
1192 1192  
1205 +
1193 1193  == 4.7 Set system time ==
1194 1194  
1195 1195  
... ... @@ -1294,6 +1294,7 @@
1294 1294  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1295 1295  
1296 1296  
1310 +
1297 1297  == 4.13 Auto Send None-ACK messages ==
1298 1298  
1299 1299  
... ... @@ -1313,6 +1313,7 @@
1313 1313  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1314 1314  
1315 1315  
1330 +
1316 1316  == 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm（Since firmware 1.3.0） ==
1317 1317  
1318 1318  
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1758 1758  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1759 1759  
1760 1760  
1776 +
1761 1761  = 8. Packing Info =
1762 1762  
1763 1763  
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1772 1772  * Device Weight: 120.5g
1773 1773  
1774 1774  
1791 +
1775 1775  = 9. Reference material =
1776 1776  
1777 1777  
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1778 1778  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0]]
1779 1779  
1780 1780  
1798 +
1781 1781  = 10. FCC Warning =
1782 1782  
1783 1783