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Last modified by Xiaoling on 2023/07/18 10:12
From version 189.1
edited by Bei Jinggeng
on 2022/07/06 13:48
Change comment: There is no comment for this version
To version 189.3
edited by Xiaoling
on 2022/07/22 10:33
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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58 58  * Tri-color LED to indicate working status
59 59  * Datalog feature
60 60  
61 -
62 -
63 63  == 1.3 Specification ==
64 64  
65 65  
... ... @@ -84,8 +84,6 @@
84 84  * ±2°C accuracy from -55°C to +125°C
85 85  * Operating Range: -55 °C ~~ 125 °C
86 86  
87 -
88 -
89 89  = 2. Connect LHT65N to IoT Server =
90 90  
91 91  == 2.1 How does LHT65N work? ==
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269 269  
270 270  
271 271  
268 +
272 272  === 2.4.1 Decoder in TTN V3 ===
273 273  
274 274  When the uplink payload arrives TTNv3, it shows HEX format and not friendly to read. We can add LHT65N decoder in TTNv3 for friendly reading.
... ... @@ -301,6 +301,7 @@
301 301  
302 302  
303 303  
301 +
304 304  === 2.4.3 Built-in Temperature ===
305 305  
306 306  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
... ... @@ -313,6 +313,7 @@
313 313  
314 314  
315 315  
314 +
316 316  === 2.4.4 Built-in Humidity ===
317 317  
318 318  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
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321 321  
322 322  
323 323  
323 +
324 324  === 2.4.5 Ext # ===
325 325  
326 326  Bytes for External Sensor:
... ... @@ -467,11 +467,13 @@
467 467  
468 468  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
469 469  
470 -[[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
470 +(% border="1" cellspacing="8" style="background-color:#ffffcc; color:green; width:520px" %)
471 +|(% style="width:60px" %)**Bits**|(% style="width:90px" %)**7**|(% style="width:100px" %)**6**|(% style="width:90px" %)**5**|(% style="width:100px" %)**4**|(% style="width:60px" %)**[3:0]**
472 +|(% style="width:96px" %)**Status&Ext**|(% style="width:124px" %)None-ACK Flag|(% style="width:146px" %)Poll Message FLAG|(% style="width:109px" %)Sync time OK|(% style="width:143px" %)Unix Time Request|(% style="width:106px" %)Ext: 0b(1001)
471 471  
472 -* Poll Message Flag:  1: This message is a poll message reply, 0: means this is a normal uplink.
473 -* 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.
474 -* 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)
474 +* (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
475 +* (% 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.
476 +* (% 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)
475 475  
476 476  
477 477  
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1057 1057  * RED LED when external sensor is not connected
1058 1058  * For each success downlink, the PURPLE LED will blink once
1059 1059  
1060 -
1061 -
1062 1062  == 2.9 installation ==
1063 1063  
1064 1064  (% _mstvisible="1" %)
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1109 1109  * Operating Range: -40 ~~ 125 °C
1110 1110  * Working voltage 2.35v ~~ 5v
1111 1111  
1112 -
1113 -
1114 1114  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1115 1115  
1116 1116  (((
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1176 1176  
1177 1177  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1178 1178  
1179 -
1180 -
1181 1181  == 4.2 Set External Sensor Mode ==
1182 1182  
1183 1183  Feature: Change External Sensor Mode.
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1199 1199  
1200 1200  * 0xA20702003c: Same as AT+SETCNT=60
1201 1201  
1202 -
1203 -
1204 1204  == 4.3 Enable/Disable uplink Temperature probe ID ==
1205 1205  
1206 1206  (((
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1228 1228  * **0xA800**  **~-~->** AT+PID=0
1229 1229  * **0xA801**     **~-~->** AT+PID=1
1230 1230  
1231 -
1232 -
1233 1233  == 4.4 Set Password ==
1234 1234  
1235 1235  Feature: Set device password, max 9 digits
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1276 1276  
1277 1277  * There is no downlink command to set to Sleep mode.
1278 1278  
1279 -
1280 -
1281 1281  == 4.7 Set system time ==
1282 1282  
1283 1283  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
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1374 1374  
1375 1375  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1376 1376  
1377 -
1378 -
1379 1379  == 4.13 Auto Send None-ACK messages ==
1380 1380  
1381 1381  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
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1394 1394  
1395 1395  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1396 1396  
1397 -
1398 -
1399 1399  = 5. Battery & How to replace =
1400 1400  
1401 1401  == 5.1 Battery Type ==
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1848 1848  
1849 1849  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1850 1850  
1851 -
1852 -
1853 1853  = 8. Packing Info =
1854 1854  
1855 1855  
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1863 1863  * Device Size:  10 x 10 x 3.5 cm
1864 1864  * Device Weight: 120.5g
1865 1865  
1866 -
1867 -
1868 1868  = 9. Reference material =
1869 1869  
1870 1870  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1871 1871  
1872 -
1873 -
1874 1874  = 10. FCC Warning =
1875 1875  
1876 1876  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions: