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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 228.1
edited by Bei Jinggeng
on 2023/02/01 11:15
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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46 46  == 1.2 Features ==
47 47  
48 48  
49 +* Wall mountable
49 49  * LoRaWAN v1.0.3 Class A protocol
50 50  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
51 51  * AT Commands to change parameters
... ... @@ -57,8 +57,6 @@
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? ==
... ... @@ -236,8 +236,6 @@
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  
... ... @@ -256,7 +256,6 @@
256 256  
257 257  [[image:image-20220523152839-18.png||_mstalt="457613"]]
258 258  
259 -(b)stands for binary
260 260  
261 261  [[image:image-20220522235639-1.png||_mstalt="431392" height="139" width="727"]]
262 262  
... ... @@ -263,11 +263,9 @@
263 263  
264 264  Check the battery voltage for LHT65N.
265 265  
266 -* BAT status=(0Xcba4>>14)&0xFF=11 (BIN) ，very good
267 -* Battery Voltage =0xCBA4&0x3FFF=0x0BA4=2980mV
260 +* BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
261 +* Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
268 268  
269 -
270 -
271 271  === 2.4.3 Built-in Temperature ===
272 272  
273 273  
... ... @@ -279,8 +279,6 @@
279 279  
280 280  * Temperature:  (0xF5C6-65536)/100=-26.18℃
281 281  
282 -
283 -
284 284  === 2.4.4 Built-in Humidity ===
285 285  
286 286  
... ... @@ -288,8 +288,6 @@
288 288  
289 289  * Humidity:    0x025C/10=60.4%
290 290  
291 -
292 -
293 293  === 2.4.5 Ext # ===
294 294  
295 295  
... ... @@ -326,7 +326,6 @@
326 326  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
327 327  
328 328  
329 -
330 330  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
331 331  
332 332  
... ... @@ -390,8 +390,6 @@
390 390  * (% 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.
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 -
394 -
395 395  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
396 396  
397 397  
... ... @@ -440,7 +440,6 @@
440 440  [[image:image-20220628151143-7.png||_mstalt="431210"]]
441 441  
442 442  
443 -
444 444  ==== 2.4.6.4 Ext~=2 TMP117 Sensor （Since Firmware v1.3） ====
445 445  
446 446  
... ... @@ -457,7 +457,6 @@
457 457  The external cable NE2 can be use for MOD4 and MOD8
458 458  
459 459  
460 -
461 461  ==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
462 462  
463 463  
... ... @@ -504,7 +504,6 @@
504 504  [[image:image-20220906101145-3.png||_mstalt="428688"]]
505 505  
506 506  
507 -
508 508  ==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
509 509  
510 510  
... ... @@ -870,18 +870,17 @@
870 870  temperature fluctuation=05
871 871  
872 872  
873 -**Sampling multiple times and uplink together**
855 +==== **Sampling multiple times and uplink together** ====
874 874  
875 875  **AT+WMOD=3,1,60,20,-16,32,1**   
876 876  
877 877  Explain:
878 878  
879 -* (% style="color:#037691" %)**parameter1:**(%%)Set Working Mode to **Mode 3**
880 -* (% style="color:#037691" %)**parameter2:**(%%) Set the temperature sampling mode to** 1**(1:DS18B20;2:TMP117;3:** **Internal GXHT30).
881 -* (% style="color:#037691" %)**parameter3:**(%%)Sampling Interval is **60**s.
882 -* (% style="color:#037691" %)**parameter4:**(%%)When there is **20** sampling dats, Device will send these data via one uplink. (max value is 60, means max 60 sampling in one uplink)
883 -* (% style="color:#037691" %)**parameter5 & parameter6:**(%%)Temperature alarm range is **-16** to **32**°C,
884 -* (% style="color:#037691" %)**parameter7:**(%%) 1 to enable temperature alarm, **0** to disable the temperature alarm. If alarm is enabled, a data will be sent immediately  if temperate exceeds the Alarm range.
861 +* Set Working Mode to **Mode 3**
862 +* Sampling Interval is **60**s.
863 +* When there is **20** sampling dats, Device will send these data via one uplink. (max value is 60, means max 60 sampling in one uplink)
864 +* Temperature alarm range is **-16** to **32**°C,
865 +* **1** to enable temperature alarm, **0** to disable the temperature alarm. If alarm is enabled, a data will be sent immediately  if temperate exceeds the Alarm range.
885 885  
886 886  (% style="color:#4f81bd" %)**Downlink Command:**
887 887  
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889 889  
890 890  MOD=03
891 891  
892 -TEMP=DS18B20
873 +EXT=01
893 893  
894 894  CITEMP=003C(S)
895 895  
... ... @@ -901,6 +901,7 @@
901 901  
902 902  ARTEMP=01
903 903  
885 +
904 904  **Uplink payload( Fport=3)**
905 905  
906 906  **Example: CBEA**01**0992**//0A41//**09C4**
... ... @@ -907,7 +907,7 @@
907 907  
908 908  BatV=CBEA
909 909  
910 -TEMP=DS18B20
892 +EXT=01
911 911  
912 912  Temp1=0992  ~/~/ 24.50℃
913 913  
... ... @@ -915,9 +915,10 @@
915 915  
916 916  Temp3=09C4  ~/~/ 25.00℃
917 917  
900 +
918 918  (% style="color:red" %)**Note: This uplink will automatically select the appropriate DR according to the data length**
919 919  
920 -(% style="color:red" %)** In this mode, the temperature resolution of ds18b20 is 0.25℃ to save power consumption**
903 +(% style="color:red" %)** In this mode, the temperature resolution of ds18b20 is 0.25℃ to save power consumption**
921 921  )))
922 922  
923 923  
... ... @@ -976,8 +976,6 @@
976 976  * RED LED when external sensor is not connected
977 977  * For each success downlink, the PURPLE LED will blink once
978 978  
979 -
980 -
981 981  == 2.9 installation ==
982 982  
983 983  
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1030 1030  * Operating Range: -40 ~~ 125 °C
1031 1031  * Working voltage 2.35v ~~ 5v
1032 1032  
1033 -
1034 -
1035 1035  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1036 1036  
1037 1037  
... ... @@ -1100,8 +1100,6 @@
1100 1100  
1101 1101  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1102 1102  
1103 -
1104 -
1105 1105  == 4.2 Set External Sensor Mode ==
1106 1106  
1107 1107  
... ... @@ -1125,8 +1125,6 @@
1125 1125  
1126 1126  * 0xA20702003c: Same as AT+SETCNT=60
1127 1127  
1128 -
1129 -
1130 1130  == 4.3 Enable/Disable uplink Temperature probe ID ==
1131 1131  
1132 1132  
... ... @@ -1157,8 +1157,6 @@
1157 1157  * **0xA800**  **~-~->** AT+PID=0
1158 1158  * **0xA801**     **~-~->** AT+PID=1
1159 1159  
1160 -
1161 -
1162 1162  == 4.4 Set Password ==
1163 1163  
1164 1164  
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1208 1208  
1209 1209  * There is no downlink command to set to Sleep mode.
1210 1210  
1211 -
1212 -
1213 1213  == 4.7 Set system time ==
1214 1214  
1215 1215  
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1313 1313  
1314 1314  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1315 1315  
1316 -
1317 -
1318 1318  == 4.13 Auto Send None-ACK messages ==
1319 1319  
1320 1320  
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1333 1333  
1334 1334  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1335 1335  
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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1779 1779  
1780 1780  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1781 1781  
1782 -
1783 -
1784 1784  = 8. Packing Info =
1785 1785  
1786 1786  
... ... @@ -1794,15 +1794,11 @@
1794 1794  * Device Size:  10 x 10 x 3.5 mm
1795 1795  * Device Weight: 120.5g
1796 1796  
1797 -
1798 -
1799 1799  = 9. Reference material =
1800 1800  
1801 1801  
1802 1802  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0]]
1803 1803  
1804 -
1805 -
1806 1806  = 10. FCC Warning =
1807 1807  
1808 1808