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Last modified by Xiaoling on 2023/07/18 10:12
From version 224.2
edited by Xiaoling
on 2022/12/02 17:13
Change comment: There is no comment for this version
To version 228.3
edited by Xiaoling
on 2023/02/17 09:28
Change comment: There is no comment for this version

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... ... @@ -46,7 +46,6 @@
46 46  == 1.2 Features ==
47 47  
48 48  
49 -* Wall mountable
50 50  * LoRaWAN v1.0.3 Class A protocol
51 51  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
52 52  * AT Commands to change parameters
... ... @@ -317,11 +317,16 @@
317 317  
318 318  * External temperature= (0xF54F-65536)/100=-27.37℃
319 319  
319 +F54F :  (F54F & 8000 == 1) , temp = (F54F - 65536)/100 = 27.37℃
320 +
321 +（0105 & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative）
322 +
320 320  The last 2 bytes of data are meaningless
321 321  
322 322  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
323 323  
324 324  
328 +
325 325  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
326 326  
327 327  
... ... @@ -435,6 +435,7 @@
435 435  [[image:image-20220628151143-7.png||_mstalt="431210"]]
436 436  
437 437  
442 +
438 438  ==== 2.4.6.4 Ext~=2 TMP117 Sensor （Since Firmware v1.3） ====
439 439  
440 440  
... ... @@ -451,6 +451,7 @@
451 451  The external cable NE2 can be use for MOD4 and MOD8
452 452  
453 453  
459 +
454 454  ==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
455 455  
456 456  
... ... @@ -497,6 +497,7 @@
497 497  [[image:image-20220906101145-3.png||_mstalt="428688"]]
498 498  
499 499  
506 +
500 500  ==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
501 501  
502 502  
... ... @@ -669,7 +669,6 @@
669 669  )))
670 670  
671 671  
672 -
673 673  (((
674 674  **2. Manually Set Time**
675 675  )))
... ... @@ -691,7 +691,7 @@
691 691  
692 692  For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(%%)
693 693  
694 -Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
700 +Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00's data
695 695  
696 696  Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
697 697  
... ... @@ -865,6 +865,7 @@
865 865  
866 866  ==== **Sampling multiple times and uplink together** ====
867 867  
874 +
868 868  **AT+WMOD=3,1,60,20,-16,32,1**   
869 869  
870 870  Explain:
... ... @@ -1590,7 +1590,6 @@
1590 1590  **Downlink commands:**
1591 1591  
1592 1592  
1593 -
1594 1594  (% style="color:blue" %)**TTN:**
1595 1595  
1596 1596  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
... ... @@ -1689,6 +1689,12 @@
1689 1689  [[image:image-20220623110706-1.png||_mstalt="427869"]]
1690 1690  
1691 1691  
1698 +**UART Port of LHT65N:**
1699 +
1700 +* (% class="mark" %)**PB0: RXD**
1701 +* (% class="mark" %)**PB1: TXD**
1702 +* (% class="mark" %)**GND**
1703 +
1692 1692  [[image:image-20220623112117-4.png||_mstalt="428350" height="459" width="343"]]
1693 1693  
1694 1694  
... ... @@ -1740,6 +1740,14 @@
1740 1740  Finally,Disconnect 3.3v，Connect A8 and GND with Dupont wire for a while and then separate，exit reset mode
1741 1741  
1742 1742  
1755 +== 6.8 Why can't I see the datalog information ==
1756 +
1757 +
1758 +~1. The time is not aligned, and the correct query command is not used.
1759 +
1760 +2. Decoder error, did not parse the datalog data, the data was filtered.
1761 +
1762 +
1743 1743  = 7. Order Info =
1744 1744  
1745 1745