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Last modified by Xiaoling on 2023/07/18 10:12
From version 226.1
edited by Edwin Chen
on 2023/01/27 10:49
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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Author
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1 -XWiki.Edwin
1 +XWiki.Bei
Content
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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
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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 ===
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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  
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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  
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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  
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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  
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855 855  temperature fluctuation=05
856 856  
857 857  
858 -==== **Sampling multiple times and uplink together** ====
865 +**Sampling multiple times and uplink together**
859 859  
860 860  **AT+WMOD=3,1,60,20,-16,32,1**   
861 861  
862 862  Explain:
863 863  
864 -* Set Working Mode to **Mode 3**
865 -* Sampling Interval is **60**s.
866 -* 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)
867 -* Temperature alarm range is **-16** to **32**°C,
868 -* **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.
869 869  
870 870  (% style="color:#4f81bd" %)**Downlink Command:**
871 871  
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873 873  
874 874  MOD=03
875 875  
876 -EXT=01
884 +TEMP=DS18B20
877 877  
878 878  CITEMP=003C(S)
879 879  
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885 885  
886 886  ARTEMP=01
887 887  
888 -
889 889  **Uplink payload( Fport=3)**
890 890  
891 891  **Example: CBEA**01**0992**//0A41//**09C4**
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892 892  
893 893  BatV=CBEA
894 894  
895 -EXT=01
902 +TEMP=DS18B20
896 896  
897 897  Temp1=0992  ~/~/ 24.50℃
898 898  
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900 900  
901 901  Temp3=09C4  ~/~/ 25.00℃
902 902  
903 -
904 904  (% style="color:red" %)**Note: This uplink will automatically select the appropriate DR according to the data length**
905 905  
906 -(% 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**
907 907  )))
908 908  
909 909  
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1574 1574  **Downlink commands:**
1575 1575  
1576 1576  
1577 -
1578 1578  (% style="color:blue" %)**TTN:**
1579 1579  
1580 1580  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
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1679 1679  * (% class="mark" %)**PB1: TXD**
1680 1680  * (% class="mark" %)**GND**
1681 1681  
1682 -
1683 1683  [[image:image-20220623112117-4.png||_mstalt="428350" height="459" width="343"]]
1684 1684  
1685 1685