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Last modified by Xiaoling on 2023/07/18 10:12
From version 214.1
edited by Edwin Chen
on 2022/11/03 23:38
Change comment: There is no comment for this version
To version 218.1
edited by Bei Jinggeng
on 2022/11/16 15:24
Change comment: There is no comment for this version

Summary

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Author
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1 -XWiki.Edwin
1 +XWiki.Bei
Content
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186 186  
187 187  
188 188  
189 -
190 190  === 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
191 191  
192 192  
... ... @@ -682,10 +682,8 @@
682 682  (% 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.**
683 683  )))
684 684  
685 -(((
686 -
687 -)))
688 688  
685 +
689 689  (((
690 690  **2. Manually Set Time**
691 691  )))
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789 789  
790 790  
791 791  
792 -== 2.7 Alarm Mode ==
789 +== 2.7 Alarm Mode & Feature "Multi sampling, one uplink" ==
793 793  
794 794  
795 795  (((
... ... @@ -883,9 +883,9 @@
883 883  temperature fluctuation=05
884 884  
885 885  
886 -**Collect multiple times and send once**
883 +==== **Sampling multiple times and uplink together** ====
887 887  
888 -**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 -10 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.
885 +**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.
889 889  
890 890  (% style="color:#4f81bd" %)**Downlink Command:**
891 891  
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924 924  (% style="color:red" %)**Note: This uplink will automatically select the appropriate DR according to the data length**
925 925  
926 926  (% style="color:red" %)** In this mode, the temperature resolution of ds18b20 is 0.25℃ to save power consumption**
927 -
928 -
929 -
930 930  )))
931 931  
932 -(((
926 +
933 933  === 2.7.2 ALARM MODE ( Before v1.3.1 firmware) ===
934 934  
935 -
936 -)))
937 937  
938 938  (% _mstvisible="1" class="box infomessage" %)
939 939  (((
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988 988  * RED LED when external sensor is not connected
989 989  * For each success downlink, the PURPLE LED will blink once
990 990  
991 -
992 992  == 2.9 installation ==
993 993  
994 994  
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1352 1352  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1353 1353  
1354 1354  
1355 -== 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm ==
1346 +== 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm（Since firmware 1.3.0） ==
1356 1356  
1357 1357  
1358 1358  Feature: Set internal and external temperature sensor alarms.
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1397 1397  
1398 1398  0xA5 01 0A 11 94 29 04 ~-~- AT+WMOD=1,10,45,105  (AT+WMOD = second byte, third byte, fourth and fifth bytes divided by 100, sixth and seventh bytes divided by 100 )
1399 1399  
1391 +0XA5 01 0A F9 C0 29 04 ~-~-AT+WMOD=1,10,-16,105(Need to convert -16 to -1600 for calculation，-1600(DEC)=FFFFFFFFFFFFF9C0(HEX)  FFFFFFFFFFFFF9C0(HEX) +10000(HEX)=F9C0(HEX))
1392 +
1400 1400  0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
1401 1401  
1402 1402  0xA5 FF ~-~- After the device receives it, upload the current alarm configuration (FPORT=8). Such as 01 0A 11 94 29 04 or 02 0A 02.
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1409 1409  == 5.1 Battery Type ==
1410 1410  
1411 1411  
1405 +
1412 1412  (((
1413 -(((
1414 1414  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.
1415 1415  )))
1416 -)))
1417 1417  
1418 -(((
1419 -
1420 -)))
1421 1421  
1411 +
1422 1422  (((
1423 -(((
1424 1424  The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
1425 1425  [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1426 1426  )))
1427 -)))
1428 1428  
1429 1429  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1430 1430  
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1447 1447  [[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]]
1448 1448  )))
1449 1449  
1450 -(((
1451 -
1452 -)))
1453 1453  
1454 1454  (((
1455 1455  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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1831 1831  [[image:image-20220623113959-5.png||height="528" width="397"]]
1832 1832  
1833 1833  (% _msthash="506146" _msttexthash="52173160" %)
1834 -Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1819 +Connect A5 and GND with Dupont wire for a while and then separate
1835 1835  
1836 1836  
1837 1837