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Last modified by Xiaoling on 2023/07/18 10:12
From version 189.3
edited by Xiaoling
on 2022/07/22 10:33
Change comment: There is no comment for this version
To version 185.4
edited by Xiaoling
on 2022/06/29 14:02
Change comment: There is no comment for this version

Summary

Details

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Content
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58 58  * Tri-color LED to indicate working status
59 59  * Datalog feature
60 60  
61 +
62 +
63 +
64 +
61 61  == 1.3 Specification ==
62 62  
63 63  
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82 82  * ±2°C accuracy from -55°C to +125°C
83 83  * Operating Range: -55 °C ~~ 125 °C
84 84  
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85 85  = 2. Connect LHT65N to IoT Server =
86 86  
87 87  == 2.1 How does LHT65N work? ==
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266 266  
267 267  
268 268  
277 +
269 269  === 2.4.1 Decoder in TTN V3 ===
270 270  
271 271  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.
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299 299  
300 300  
301 301  
311 +
302 302  === 2.4.3 Built-in Temperature ===
303 303  
304 304  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
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312 312  
313 313  
314 314  
325 +
315 315  === 2.4.4 Built-in Humidity ===
316 316  
317 317  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
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321 321  
322 322  
323 323  
335 +
324 324  === 2.4.5 Ext # ===
325 325  
326 326  Bytes for External Sensor:
... ... @@ -467,16 +467,16 @@
467 467  
468 468  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
469 469  
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)
482 +[[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
473 473  
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)
484 +* Poll Message Flag:  1: This message is a poll message reply, 0: means this is a normal uplink.
485 +* 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.
486 +* 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)
477 477  
478 478  
479 479  
490 +
491 +
480 480  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
481 481  
482 482  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -583,14 +583,13 @@
583 583  
584 584  There are two methods:
585 585  
586 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
587 -1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after the network recovery.
598 +1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
599 +1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover.
588 588  
589 -Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
590 590  
591 -[[image:image-20220703111700-2.png||height="381" width="1119"]]
592 592  
593 593  
604 +
594 594  === 2.6.2 Unix TimeStamp ===
595 595  
596 596  
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1031 1031  )))
1032 1032  )))
1033 1033  
1034 -(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
1035 1035  
1036 -Total bytes: 8 bytes
1037 1037  
1038 -**Example:**AA0100010001003C
1039 -
1040 -WMOD=01
1041 -
1042 -CITEMP=0001
1043 -
1044 -TEMPlow=0001
1045 -
1046 -TEMPhigh=003C
1047 -
1048 -
1049 1049  == 2.8 LED Indicator ==
1050 1050  
1051 1051  The LHT65 has a triple color LED which for easy showing different stage .
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1059 1059  * RED LED when external sensor is not connected
1060 1060  * For each success downlink, the PURPLE LED will blink once
1061 1061  
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1063 +
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  
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1112 1112  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1113 1113  
1114 1114  (((
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1174 1174  
1175 1175  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1176 1176  
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1177 1177  == 4.2 Set External Sensor Mode ==
1178 1178  
1179 1179  Feature: Change External Sensor Mode.
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1195 1195  
1196 1196  * 0xA20702003c: Same as AT+SETCNT=60
1197 1197  
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1198 1198  == 4.3 Enable/Disable uplink Temperature probe ID ==
1199 1199  
1200 1200  (((
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1222 1222  * **0xA800**  **~-~->** AT+PID=0
1223 1223  * **0xA801**     **~-~->** AT+PID=1
1224 1224  
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1225 1225  == 4.4 Set Password ==
1226 1226  
1227 1227  Feature: Set device password, max 9 digits
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1268 1268  
1269 1269  * There is no downlink command to set to Sleep mode.
1270 1270  
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1271 1271  == 4.7 Set system time ==
1272 1272  
1273 1273  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
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1364 1364  
1365 1365  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1366 1366  
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1367 1367  == 4.13 Auto Send None-ACK messages ==
1368 1368  
1369 1369  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
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1382 1382  
1383 1383  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1384 1384  
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1385 1385  = 5. Battery & How to replace =
1386 1386  
1387 1387  == 5.1 Battery Type ==
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1834 1834  
1835 1835  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1836 1836  
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1837 1837  = 8. Packing Info =
1838 1838  
1839 1839  
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1847 1847  * Device Size:  10 x 10 x 3.5 cm
1848 1848  * Device Weight: 120.5g
1849 1849  
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1850 1850  = 9. Reference material =
1851 1851  
1852 1852  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1853 1853  
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1854 1854  = 10. FCC Warning =
1855 1855  
1856 1856  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
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