Last modified by Mengting Qiu on 2024/04/30 14:27
<
From version < 120.8 >
edited by Xiaoling
on 2022/06/09 18:29
To version < 123.3 >
edited by Xiaoling
on 2022/06/13 16:21
>
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1 -(% _mstvisible="2" style="text-align:center" %)
2 -[[image:image-20220523115324-1.jpeg||_mstalt="469677" _mstvisible="4" height="317" width="317"]]
1 +(% style="text-align:center" %)
2 +[[image:image-20220613162008-1.png||height="579" width="379"]]
3 3  
4 4  
5 -(% _mstvisible="1" %)
6 -(% _msthash="315237" _msttexthash="1697033" _mstvisible="3" %)**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
7 7  
8 8  
9 9  
10 -
11 11  (% _mstvisible="1" %)
12 12  (% _msthash="315238" _msttexthash="18964465" _mstvisible="3" %)**Table of Contents：**
13 13  
... ... @@ -77,6 +77,7 @@
77 77  * Tri-color LED to indicate working status
78 78  * Datalog feature
79 79  
77 +
80 80  (% _mstvisible="1" %)
81 81  == (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
82 82  
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275 275  [[image:image-20220522233118-7.png||_mstalt="430430" _mstvisible="3"]]
276 276  
277 277  
276 +
278 278  (% _mstvisible="1" %)
279 279  === (% _msthash="3537456" _msttexthash="3448549" _mstvisible="3" %)2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds.(%%) ===
280 280  
... ... @@ -285,6 +285,7 @@
285 285  [[image:image-20220522233300-8.png||_mstalt="428389" _mstvisible="3" height="219" width="722"]]
286 286  
287 287  
287 +
288 288  (% _mstvisible="1" %)
289 289  == (% _msthash="320879" _msttexthash="294970" _mstvisible="3" %)2.4 Uplink Payload(%%) ==
290 290  
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363 363  * The 7th byte (EXT #): defines the external sensor model.
364 364  * 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.)
365 365  
366 +
366 366  (% _mstvisible="1" %)
367 367  === (% _msthash="360269" _msttexthash="333762" _mstvisible="3" %)2.4.1 Decoder in TTN V3(%%) ===
368 368  
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399 399  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
400 400  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
401 401  
403 +
402 402  (% _mstvisible="1" %)
403 403  === (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) ===
404 404  
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414 414  (% _mstvisible="1" %)
415 415  * Temperature:  (0xF5C6-65536)/100=-26.18℃
416 416  
419 +
417 417  (% _mstvisible="1" %)
418 418  === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
419 419  
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423 423  (% _mstvisible="1" %)
424 424  * Humidity:    0x025C/10=60.4%
425 425  
429 +
426 426  (% _mstvisible="1" %)
427 427  === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
428 428  
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590 590  * 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.
591 591  * 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)
592 592  
597 +
598 +
599 +
593 593  (% _mstvisible="1" %)
594 594  == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
595 595  
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652 652  1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
653 653  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.
654 654  
655 -
656 -
657 657  (% _mstvisible="1" %)
658 658  === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
659 659  
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1131 1131  For each success downlink, the PURPLE LED will blink once
1132 1132  )))
1133 1133  
1134 -
1135 1135  (% _mstvisible="1" style="text-align: left;" %)
1136 1136  == (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
1137 1137  
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1160 1160  * -55°C to 125°C
1161 1161  * Working voltage 2.35v ~~ 5v
1162 1162  
1163 -
1164 -
1165 1165  (% _mstvisible="1" style="text-align: left;" %)
1166 1166  = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1167 1167  
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1376 1376  * 0xA800  **~-~->** AT+PID=0
1377 1377  * 0xA801     **~-~->** AT+PID=1
1378 1378  
1379 -
1380 -
1381 1381  (% _mstvisible="1" style="text-align: left;" %)
1382 1382  == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1383 1383  
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1447 1447  (% _mstvisible="1" %)
1448 1448  * There is no downlink command to set to Sleep mode.
1449 1449  
1450 -
1451 -
1452 1452  (% _mstvisible="1" %)
1453 1453  == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1454 1454  
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1583 1583  (% _mstvisible="1" %)
1584 1584  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1585 1585  
1586 -
1587 -
1588 1588  (% _mstvisible="1" %)
1589 1589  == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1590 1590  
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1608 1608  (% _mstvisible="1" %)
1609 1609  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1610 1610  
1611 -
1612 -
1613 1613  (% _mstvisible="1" %)
1614 1614  = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1615 1615  
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1970 1970  * [[Datasheet, Photos, Decoder, Firmware>>https://www.dropbox.com/home/Products_Public_Document/LoRaWAN%20End%20Node/LHT65N%20Temperature%20%26%20Humidity%20Sensor]]
1971 1971  
1972 1972  
1967 +
1973 1973  = 10. FCC Warning =
1974 1974  
1975 1975  (% _mstvisible="1" %)
image-20220613162008-1.png
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