Last modified by Xiaoling on 2023/07/18 10:12

From version 224.1
edited by Bei Jinggeng
on 2022/12/02 15:53
Change comment: There is no comment for this version
To version 230.1
edited by Bei Jinggeng
on 2023/03/13 09:40
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -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
... ... @@ -260,8 +260,8 @@
260 260  
261 261  Check the battery voltage for LHT65N.
262 262  
263 -* BAT status=(0Xcba4>>14)&0xFF=11(B),very good
264 -* Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
262 +* BAT status=(0Xcba4>>14)&0xFF=11(DEC)  /  B(HEX) ,very good
263 +* Battery Voltage =0xCBA4&0x3FFF=0x0BA4=2980mV
265 265  
266 266  
267 267  === 2.4.3 Built-in Temperature ===
... ... @@ -311,11 +311,16 @@
311 311  
312 312  * External temperature= (0xF54F-65536)/100=-27.37℃
313 313  
313 +F54F :  (F54F & 8000 == 1) , temp = (F54F - 65536)/100 = 27.37℃
314 +
315 +(0105 & 8000:Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
316 +
314 314  The last 2 bytes of data are meaningless
315 315  
316 316  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
317 317  
318 318  
322 +
319 319  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
320 320  
321 321  
... ... @@ -428,6 +428,7 @@
428 428  [[image:image-20220628151143-7.png||_mstalt="431210"]]
429 429  
430 430  
435 +
431 431  ==== 2.4.6.4 Ext~=2 TMP117 Sensor (Since Firmware v1.3) ====
432 432  
433 433  
... ... @@ -444,6 +444,7 @@
444 444  The external cable NE2 can be use for MOD4 and MOD8
445 445  
446 446  
452 +
447 447  ==== 2.4.6.5 Ext~=4 Interrupt Mode (Since Firmware v1.3) ====
448 448  
449 449  
... ... @@ -490,6 +490,7 @@
490 490  [[image:image-20220906101145-3.png||_mstalt="428688"]]
491 491  
492 492  
499 +
493 493  ==== 2.4.6.6 Ext~=8 Counting Mode(Since Firmware v1.3) ====
494 494  
495 495  
... ... @@ -662,7 +662,6 @@
662 662  )))
663 663  
664 664  
665 -
666 666  (((
667 667  **2. Manually Set Time**
668 668  )))
... ... @@ -684,7 +684,7 @@
684 684  
685 685  For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(%%)
686 686  
687 -Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00s data
693 +Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00's data
688 688  
689 689  Uplink Internal =5s,means LHT65N will send one packet every 5s. range 5~~255s.
690 690  
... ... @@ -856,17 +856,18 @@
856 856  temperature fluctuation=05
857 857  
858 858  
859 -==== **Sampling multiple times and uplink together** ====
865 +**Sampling multiple times and uplink together**
860 860  
861 861  **AT+WMOD=3,1,60,20,-16,32,1**   
862 862  
863 863  Explain:
864 864  
865 -* Set Working Mode to **Mode 3**
866 -* Sampling Interval is **60**s.
867 -* When there is **20** sampling dats, Device will send these data via one uplink. (max value is 60, means max 60 sampling in one uplink)
868 -* Temperature alarm range is **-16** to **32**°C,
869 -* **1** to enable temperature alarm, **0** to disable the temperature alarm. If alarm is enabled, a data will be sent immediately  if temperate exceeds the Alarm range.
871 +* (% style="color:#037691" %)**parameter1:**(%%)Set Working Mode to **Mode 3**
872 +* (% style="color:#037691" %)**parameter2:**(%%) Set the temperature sampling mode to** 1**(1:DS18B20;2:TMP117;3:** **Internal GXHT30).
873 +* (% style="color:#037691" %)**parameter3:**(%%)Sampling Interval is **60**s.
874 +* (% style="color:#037691" %)**parameter4:**(%%)When there is **20** sampling dats, Device will send these data via one uplink. (max value is 60, means max 60 sampling in one uplink)
875 +* (% style="color:#037691" %)**parameter5 & parameter6:**(%%)Temperature alarm range is **-16** to **32**°C,
876 +* (% style="color:#037691" %)**parameter7:**(%%) 1 to enable temperature alarm, **0** to disable the temperature alarm. If alarm is enabled, a data will be sent immediately  if temperate exceeds the Alarm range.
870 870  
871 871  (% style="color:#4f81bd" %)**Downlink Command:**
872 872  
... ... @@ -874,7 +874,7 @@
874 874  
875 875  MOD=03
876 876  
877 -EXT=01
884 +TEMP=DS18B20
878 878  
879 879  CITEMP=003C(S)
880 880  
... ... @@ -886,7 +886,6 @@
886 886  
887 887  ARTEMP=01
888 888  
889 -
890 890  **Uplink payload( Fport=3)**
891 891  
892 892  **Example: CBEA**01**0992**//0A41//**09C4**
... ... @@ -893,7 +893,7 @@
893 893  
894 894  BatV=CBEA
895 895  
896 -EXT=01
902 +TEMP=DS18B20
897 897  
898 898  Temp1=0992  ~/~/ 24.50℃
899 899  
... ... @@ -901,10 +901,9 @@
901 901  
902 902  Temp3=09C4  ~/~/ 25.00℃
903 903  
904 -
905 905  (% style="color:red" %)**Note: This uplink will automatically select the appropriate DR according to the data length**
906 906  
907 -(% style="color:red" %)** In this mode, the temperature resolution of ds18b20 is 0.25℃ to save power consumption**
912 +(% style="color:red" %)** In this mode, the temperature resolution of ds18b20 is 0.25℃ to save power consumption**
908 908  )))
909 909  
910 910  
... ... @@ -1575,7 +1575,6 @@
1575 1575  **Downlink commands:**
1576 1576  
1577 1577  
1578 -
1579 1579  (% style="color:blue" %)**TTN:**
1580 1580  
1581 1581  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
... ... @@ -1674,6 +1674,12 @@
1674 1674  [[image:image-20220623110706-1.png||_mstalt="427869"]]
1675 1675  
1676 1676  
1681 +**UART Port of LHT65N:**
1682 +
1683 +* (% class="mark" %)**PB0: RXD**
1684 +* (% class="mark" %)**PB1: TXD**
1685 +* (% class="mark" %)**GND**
1686 +
1677 1677  [[image:image-20220623112117-4.png||_mstalt="428350" height="459" width="343"]]
1678 1678  
1679 1679  
... ... @@ -1725,6 +1725,14 @@
1725 1725  Finally,Disconnect 3.3v,Connect A8 and GND with Dupont wire for a while and then separate,exit reset mode
1726 1726  
1727 1727  
1738 +== 6.8 Why can't I see the datalog information ==
1739 +
1740 +
1741 +~1. The time is not aligned, and the correct query command is not used.
1742 +
1743 +2. Decoder error, did not parse the datalog data, the data was filtered.
1744 +
1745 +
1728 1728  = 7. Order Info =
1729 1729  
1730 1730