Skip to Content
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 226.1
edited by Edwin Chen
on 2023/01/27 10:49
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
... ... @@ -46,6 +46,7 @@
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
... ... @@ -58,7 +58,6 @@
58 58  * Datalog feature (Max 3328 records)
59 59  
60 60  
61 -
62 62  == 1.3 Specification ==
63 63  
64 64  
... ... @@ -84,7 +84,6 @@
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? ==
... ... @@ -237,7 +237,6 @@
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  
... ... @@ -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 +263,10 @@
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
263 +* BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
264 +* Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
268 268  
269 269  
270 -
271 271  === 2.4.3 Built-in Temperature ===
272 272  
273 273  
... ... @@ -280,7 +280,6 @@
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  
... ... @@ -289,7 +289,6 @@
289 289  * Humidity:    0x025C/10=60.4%
290 290  
291 291  
292 -
293 293  === 2.4.5 Ext # ===
294 294  
295 295  
... ... @@ -317,16 +317,11 @@
317 317  
318 318  * External temperature= (0xF54F-65536)/100=-27.37℃
319 319  
320 -F54F :  (F54F & 8000 == 1) , temp = (F54F - 65536)/100 = 27.37℃
321 -
322 -（0105 & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative）
323 -
324 324  The last 2 bytes of data are meaningless
325 325  
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  
... ... @@ -391,7 +391,6 @@
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  
... ... @@ -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**
858 +==== **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.
864 +* Set Working Mode to **Mode 3**
865 +* Sampling Interval is **60**s.
866 +* 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)
867 +* Temperature alarm range is **-16** to **32**°C,
868 +* **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  
... ... @@ -889,7 +889,7 @@
889 889  
890 890  MOD=03
891 891  
892 -TEMP=DS18B20
876 +EXT=01
893 893  
894 894  CITEMP=003C(S)
895 895  
... ... @@ -901,6 +901,7 @@
901 901  
902 902  ARTEMP=01
903 903  
888 +
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
895 +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  
903 +
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**
906 +(% style="color:red" %)** In this mode, the temperature resolution of ds18b20 is 0.25℃ to save power consumption**
921 921  )))
922 922  
923 923  
... ... @@ -977,7 +977,6 @@
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  
... ... @@ -1031,7 +1031,6 @@
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  
... ... @@ -1101,7 +1101,6 @@
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  
... ... @@ -1126,7 +1126,6 @@
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  
... ... @@ -1158,7 +1158,6 @@
1158 1158  * **0xA801**     **~-~->** AT+PID=1
1159 1159  
1160 1160  
1161 -
1162 1162  == 4.4 Set Password ==
1163 1163  
1164 1164  
... ... @@ -1209,7 +1209,6 @@
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  
... ... @@ -1314,7 +1314,6 @@
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  
... ... @@ -1334,7 +1334,6 @@
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  
... ... @@ -1596,6 +1596,7 @@
1596 1596  **Downlink commands:**
1597 1597  
1598 1598  
1577 +
1599 1599  (% style="color:blue" %)**TTN:**
1600 1600  
1601 1601  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
... ... @@ -1700,6 +1700,7 @@
1700 1700  * (% class="mark" %)**PB1: TXD**
1701 1701  * (% class="mark" %)**GND**
1702 1702  
1682 +
1703 1703  [[image:image-20220623112117-4.png||_mstalt="428350" height="459" width="343"]]
1704 1704  
1705 1705  
... ... @@ -1780,7 +1780,6 @@
1780 1780  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1781 1781  
1782 1782  
1783 -
1784 1784  = 8. Packing Info =
1785 1785  
1786 1786  
... ... @@ -1795,7 +1795,6 @@
1795 1795  * Device Weight: 120.5g
1796 1796  
1797 1797  
1798 -
1799 1799  = 9. Reference material =
1800 1800  
1801 1801  
... ... @@ -1802,7 +1802,6 @@
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