Skip to Content
Last modified by Xiaoling on 2023/07/18 10:12
From version 210.13
edited by Xiaoling
on 2022/10/26 17:13
Change comment: There is no comment for this version
To version 210.14
edited by Xiaoling
on 2022/10/26 17:27
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -61,6 +61,8 @@
61 61  * Tri-color LED to indicate working status
62 62  * Datalog feature (Max 3328 records)
63 63  
64 +
65 +
64 64  == 1.3 Specification ==
65 65  
66 66  
... ... @@ -85,6 +85,8 @@
85 85  * ±2°C accuracy from -55°C to +125°C
86 86  * Operating Range: -55 °C ~~ 125 °C
87 87  
90 +
91 +
88 88  = 2. Connect LHT65N to IoT Server =
89 89  
90 90  
... ... @@ -243,6 +243,8 @@
243 243  * The 7th byte (EXT #): defines the external sensor model.
244 244  * The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^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.)
245 245  
250 +
251 +
246 246  === 2.4.1 Decoder in TTN V3 ===
247 247  
248 248  
... ... @@ -271,6 +271,8 @@
271 271  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
272 272  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
273 273  
280 +
281 +
274 274  === 2.4.3 Built-in Temperature ===
275 275  
276 276  
... ... @@ -282,6 +282,8 @@
282 282  
283 283  * Temperature:  (0xF5C6-65536)/100=-26.18℃
284 284  
293 +
294 +
285 285  === 2.4.4 Built-in Humidity ===
286 286  
287 287  
... ... @@ -289,6 +289,8 @@
289 289  
290 290  * Humidity:    0x025C/10=60.4%
291 291  
302 +
303 +
292 292  === 2.4.5 Ext # ===
293 293  
294 294  
... ... @@ -311,6 +311,8 @@
311 311  
312 312  The last 2 bytes of data are meaningless
313 313  
326 +
327 +
314 314  [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
315 315  
316 316  
... ... @@ -361,6 +361,7 @@
361 361  [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp"]]
362 362  )))
363 363  
378 +
364 364  * **Battery status & Built-in Humidity**
365 365  
366 366  (% _mstvisible="1" border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:461px" %)
... ... @@ -375,6 +375,7 @@
375 375  [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
376 376  )))
377 377  
393 +
378 378  * **Status & Ext Byte**
379 379  
380 380  (% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:500px" %)
... ... @@ -385,6 +385,9 @@
385 385  * (% 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.
386 386  * (% 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)
387 387  
404 +
405 +
406 +
388 388  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
389 389  
390 390  
... ... @@ -717,9 +717,10 @@
717 717  )))|=(% style="width: 90px;" %)**2**|=(% style="width: 90px;" %)**2**|=(% style="width: 70px;" %)**2**|=(% style="width: 100px;" %)**1**|=(% style="width: 70px;" %)**4**
718 718  |(% style="width:97px" %)**Value**|(% style="width:123px" %)[[External sensor data>>||anchor="H2.4.6Extvalue"]]|(% style="width:108px" %)[[Built In Temperature>>||anchor="H2.4.3Built-inTemperature"]]|(% style="width:133px" %)[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]|(% style="width:159px" %)Poll message flag & Ext|(% style="width:80px" %)[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp"]]
719 719  
720 -**Poll message flag & Ext:**
721 721  
722 722  
741 +**Poll message flag & Ext:**
742 +
723 723  [[image:image-20221006192726-1.png||height="112" width="754"]]
724 724  
725 725  (% style="color:blue" %)**No ACK Message**(%%):  1: This message means this payload is fromn Uplink Message which doesn't get ACK from the server before ( for [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]] feature)
... ... @@ -730,6 +730,8 @@
730 730  
731 731  * Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
732 732  
753 +
754 +
733 733  For example, in US915 band, the max payload for different DR is:
734 734  
735 735  (% style="color:blue" %)**a) DR0:** (%%)max is 11 bytes so one entry of data
... ... @@ -762,7 +762,7 @@
762 762  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
763 763  
764 764  
765 -7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
787 +__**7FFF089801464160065F97**__ **__7FFF__ __088E__ __014B__ __41__ __60066009__** 7FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
766 766  
767 767  Where the first 11 bytes is for the first entry:
768 768  
... ... @@ -770,13 +770,13 @@
770 770  
771 771  Ext sensor data=0x7FFF/100=327.67
772 772  
773 -Temp=0x0898/100=22.00
795 +Temp=0x088E/100=22.00
774 774  
775 -Hum=0x0146/10=32.6
797 +Hum=0x014B/10=32.6
776 776  
777 777  poll message flag & Ext=0x41,means reply data,Ext=1
778 778  
779 -Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
801 +Unix time is 0x60066009=1611030423s=21/1/19 04:27:03
780 780  
781 781  
782 782  
... ... @@ -875,6 +875,8 @@
875 875  * RED LED when external sensor is not connected
876 876  * For each success downlink, the PURPLE LED will blink once
877 877  
900 +
901 +
878 878  == 2.9 installation ==
879 879  
880 880  
... ... @@ -932,6 +932,8 @@
932 932  * Operating Range: -40 ~~ 125 °C
933 933  * Working voltage 2.35v ~~ 5v
934 934  
959 +
960 +
935 935  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
936 936  
937 937  
... ... @@ -1001,6 +1001,8 @@
1001 1001  
1002 1002  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1003 1003  
1030 +
1031 +
1004 1004  == 4.2 Set External Sensor Mode ==
1005 1005  
1006 1006  
... ... @@ -1024,6 +1024,8 @@
1024 1024  
1025 1025  * 0xA20702003c: Same as AT+SETCNT=60
1026 1026  
1055 +
1056 +
1027 1027  == 4.3 Enable/Disable uplink Temperature probe ID ==
1028 1028  
1029 1029  
... ... @@ -1054,6 +1054,8 @@
1054 1054  * **0xA800**  **~-~->** AT+PID=0
1055 1055  * **0xA801**     **~-~->** AT+PID=1
1056 1056  
1087 +
1088 +
1057 1057  == 4.4 Set Password ==
1058 1058  
1059 1059  
... ... @@ -1105,6 +1105,8 @@
1105 1105  
1106 1106  * There is no downlink command to set to Sleep mode.
1107 1107  
1140 +
1141 +
1108 1108  == 4.7 Set system time ==
1109 1109  
1110 1110  
... ... @@ -1213,6 +1213,8 @@
1213 1213  
1214 1214  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1215 1215  
1250 +
1251 +
1216 1216  == 4.13 Auto Send None-ACK messages ==
1217 1217  
1218 1218  
... ... @@ -1232,6 +1232,7 @@
1232 1232  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1233 1233  
1234 1234  
1271 +
1235 1235  == 4.14 Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm ==
1236 1236  
1237 1237  
... ... @@ -1318,6 +1318,7 @@
1318 1318  [[image:image-20220515075440-2.png||_mstalt="429546" _mstvisible="3" height="338" width="272"]][[image:image-20220515075625-3.png||_mstalt="431574" _mstvisible="3" height="193" width="257"]]
1319 1319  
1320 1320  
1358 +
1321 1321  == 5.3 Battery Life Analyze ==
1322 1322  
1323 1323  
... ... @@ -1751,6 +1751,8 @@
1751 1751  
1752 1752  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1753 1753  
1792 +
1793 +
1754 1754  = 8. Packing Info =
1755 1755  
1756 1756  
... ... @@ -1764,11 +1764,15 @@
1764 1764  * Device Size:  10 x 10 x 3.5 cm
1765 1765  * Device Weight: 120.5g
1766 1766  
1807 +
1808 +
1767 1767  = 9. Reference material =
1768 1768  
1769 1769  
1770 1770  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1771 1771  
1814 +
1815 +
1772 1772  = 10. FCC Warning =
1773 1773  
1774 1774