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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 229.1
edited by Bei Jinggeng
on 2023/03/02 14:10
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
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57 57  * Tri-color LED to indicate working status
58 58  * Datalog feature (Max 3328 records)
59 59  
60 -
61 -
62 62  == 1.3 Specification ==
63 63  
64 64  
... ... @@ -83,8 +83,6 @@
83 83  * ±2°C accuracy from -55°C to +125°C
84 84  * Operating Range: -55 °C ~~ 125 °C
85 85  
86 -
87 -
88 88  = 2. Connect LHT65N to IoT Server =
89 89  
90 90  == 2.1 How does LHT65N work? ==
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236 236  * The 7th byte (EXT #): defines the external sensor model.
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 -
240 -
241 241  === 2.4.1 Decoder in TTN V3 ===
242 242  
243 243  
... ... @@ -262,11 +262,9 @@
262 262  
263 263  Check the battery voltage for LHT65N.
264 264  
265 -* BAT status=(0Xcba4>>14)&0xFF=11(DEC)  /  B(HEX) ，very good
266 -* Battery Voltage =0xCBA4&0x3FFF=0x0BA4=2980mV
259 +* BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
260 +* Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
267 267  
268 -
269 -
270 270  === 2.4.3 Built-in Temperature ===
271 271  
272 272  
... ... @@ -278,8 +278,6 @@
278 278  
279 279  * Temperature:  (0xF5C6-65536)/100=-26.18℃
280 280  
281 -
282 -
283 283  === 2.4.4 Built-in Humidity ===
284 284  
285 285  
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287 287  
288 288  * Humidity:    0x025C/10=60.4%
289 289  
290 -
291 -
292 292  === 2.4.5 Ext # ===
293 293  
294 294  
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389 389  * (% 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.
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 -
393 -
394 394  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
395 395  
396 396  
... ... @@ -975,8 +975,6 @@
975 975  * RED LED when external sensor is not connected
976 976  * For each success downlink, the PURPLE LED will blink once
977 977  
978 -
979 -
980 980  == 2.9 installation ==
981 981  
982 982  
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1029 1029  * Operating Range: -40 ~~ 125 °C
1030 1030  * Working voltage 2.35v ~~ 5v
1031 1031  
1032 -
1033 -
1034 1034  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1035 1035  
1036 1036  
... ... @@ -1099,8 +1099,6 @@
1099 1099  
1100 1100  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1101 1101  
1102 -
1103 -
1104 1104  == 4.2 Set External Sensor Mode ==
1105 1105  
1106 1106  
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1124 1124  
1125 1125  * 0xA20702003c: Same as AT+SETCNT=60
1126 1126  
1127 -
1128 -
1129 1129  == 4.3 Enable/Disable uplink Temperature probe ID ==
1130 1130  
1131 1131  
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1156 1156  * **0xA800**  **~-~->** AT+PID=0
1157 1157  * **0xA801**     **~-~->** AT+PID=1
1158 1158  
1159 -
1160 -
1161 1161  == 4.4 Set Password ==
1162 1162  
1163 1163  
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1207 1207  
1208 1208  * There is no downlink command to set to Sleep mode.
1209 1209  
1210 -
1211 -
1212 1212  == 4.7 Set system time ==
1213 1213  
1214 1214  
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1312 1312  
1313 1313  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1314 1314  
1315 -
1316 -
1317 1317  == 4.13 Auto Send None-ACK messages ==
1318 1318  
1319 1319  
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1332 1332  
1333 1333  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1334 1334  
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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1778 1778  
1779 1779  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1780 1780  
1781 -
1782 -
1783 1783  = 8. Packing Info =
1784 1784  
1785 1785  
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1793 1793  * Device Size:  10 x 10 x 3.5 mm
1794 1794  * Device Weight: 120.5g
1795 1795  
1796 -
1797 -
1798 1798  = 9. Reference material =
1799 1799  
1800 1800  
1801 1801  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0]]
1802 1802  
1803 -
1804 -
1805 1805  = 10. FCC Warning =
1806 1806  
1807 1807