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Last modified by Xiaoling on 2023/07/18 10:12
From version 217.1
edited by Bei Jinggeng
on 2022/11/11 11:27
Change comment: There is no comment for this version
To version 222.1
edited by Edwin Chen
on 2022/11/19 11:48
Change comment: There is no comment for this version

Summary

Details

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Author
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1 -XWiki.Bei
1 +XWiki.Edwin
Content
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184 184  
185 185  
186 186  
187 -
188 188  === 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
189 189  
190 190  
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675 675  (% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.**
676 676  )))
677 677  
678 -(((
679 -
680 -)))
681 681  
678 +
682 682  (((
683 683  **2. Manually Set Time**
684 684  )))
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878 878  
879 879  ==== **Sampling multiple times and uplink together** ====
880 880  
881 -**AT+WMOD=3,1,60,20,-16,32,1**  ~/~/ Mode 3, the collection interval is 60s, the total number of collection is 20 times, and the data of these 20 times will be sent to the 20th time, with a maximum of 60 groups, the normal working temperature range is -16 to 32°C, 1 is to open the temperature alarm, 0 is to close the temperature alarm, and the temperature is turned on. After the alarm, if the temperature collected at the current time exceeds the normal working temperature, a data will be sent immediately.
878 +**AT+WMOD=3,1,60,20,-16,32,1** 
882 882  
880 +Explain:
881 +
882 +* Set Working Mode to **Mode 3**
883 +* Sampling Interval is **60**s.
884 +* 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)
885 +* Temperature alarm range is **-16** to **32**°C,
886 +* **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.
887 +
888 +
883 883  (% style="color:#4f81bd" %)**Downlink Command:**
884 884  
885 885  **Example: **A50301003C14FFF0002001
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901 901  
902 902  **Uplink payload( Fport=3)**
903 903  
904 -**Example: **CBEA0109920A4109C4
910 +**Example: CBEA**01**0992**//0A41//**09C4**
905 905  
906 906  BatV=CBEA
907 907  
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917 917  (% style="color:red" %)**Note: This uplink will automatically select the appropriate DR according to the data length**
918 918  
919 919  (% style="color:red" %)** In this mode, the temperature resolution of ds18b20 is 0.25℃ to save power consumption**
920 -
921 -
922 -
923 923  )))
924 924  
925 -(((
928 +
926 926  === 2.7.2 ALARM MODE ( Before v1.3.1 firmware) ===
927 927  
928 -
929 -)))
930 930  
931 931  (% _mstvisible="1" class="box infomessage" %)
932 932  (((
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1396 1396  == 5.1 Battery Type ==
1397 1397  
1398 1398  
1400 +
1399 1399  (((
1400 -(((
1401 1401  LHT65N is equipped with a 2400mAH Li-MnO2 (CR17505) battery . The battery is an un-rechargeable battery with low discharge rate targeting for up to 8~~10 years use. This type of battery is commonly used in IoT devices for long-term running, such as water meters.
1402 1402  )))
1403 -)))
1404 1404  
1405 -(((
1406 -
1407 -)))
1408 1408  
1406 +
1409 1409  (((
1410 -(((
1411 1411  The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
1412 1412  [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1413 1413  )))
1414 -)))
1415 1415  
1416 1416  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1417 1417  
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1434 1434  [[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
1435 1435  )))
1436 1436  
1437 -(((
1438 -
1439 -)))
1440 1440  
1441 1441  (((
1442 1442  A full detail test report for LHT65N on different frequency can be found at : [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0>>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
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1818 1818  [[image:image-20220623113959-5.png||height="528" width="397"]]
1819 1819  
1820 1820  (% _msthash="506146" _msttexthash="52173160" %)
1821 -Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1814 +Connect A8 and GND with Dupont wire for a while and then separate，enter reset mode
1822 1822  
1823 1823  
1824 1824  
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1835 1835  [[image:image-20220620160723-8.png]]
1836 1836  
1837 1837  
1838 -Finally,restart reset device again
1831 +Finally,Disconnect 3.3v，Connect A8 and GND with Dupont wire for a while and then separate，exit reset mode
1839 1839  
1840 1840  
1841 1841  
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1869 1869  
1870 1870  **Dimension and weight**:
1871 1871  
1872 -* Device Size:  10 x 10 x 3.5 cm
1865 +* Device Size:  10 x 10 x 3.5 mm
1873 1873  * Device Weight: 120.5g
1874 1874  
1875 1875  = 9. Reference material =