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Last modified by Xiaoling on 2023/07/18 10:12
From version 218.1
edited by Bei Jinggeng
on 2022/11/16 15:24
Change comment: There is no comment for this version
To version 214.1
edited by Edwin Chen
on 2022/11/03 23:38
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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186 186  
187 187  
188 188  
189 +
189 189  === 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
190 190  
191 191  
... ... @@ -681,8 +681,10 @@
681 681  (% 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.**
682 682  )))
683 683  
685 +(((
686 +
687 +)))
684 684  
685 -
686 686  (((
687 687  **2. Manually Set Time**
688 688  )))
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786 786  
787 787  
788 788  
789 -== 2.7 Alarm Mode & Feature "Multi sampling, one uplink" ==
792 +== 2.7 Alarm Mode ==
790 790  
791 791  
792 792  (((
... ... @@ -880,9 +880,9 @@
880 880  temperature fluctuation=05
881 881  
882 882  
883 -==== **Sampling multiple times and uplink together** ====
886 +**Collect multiple times and send once**
884 884  
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.
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.
886 886  
887 887  (% style="color:#4f81bd" %)**Downlink Command:**
888 888  
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921 921  (% style="color:red" %)**Note: This uplink will automatically select the appropriate DR according to the data length**
922 922  
923 923  (% style="color:red" %)** In this mode, the temperature resolution of ds18b20 is 0.25℃ to save power consumption**
924 -)))
925 925  
926 926  
929 +
930 +)))
931 +
932 +(((
927 927  === 2.7.2 ALARM MODE ( Before v1.3.1 firmware) ===
928 928  
935 +
936 +)))
929 929  
930 930  (% _mstvisible="1" class="box infomessage" %)
931 931  (((
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980 980  * RED LED when external sensor is not connected
981 981  * For each success downlink, the PURPLE LED will blink once
982 982  
991 +
983 983  == 2.9 installation ==
984 984  
985 985  
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1343 1343  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1344 1344  
1345 1345  
1346 -== 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm（Since firmware 1.3.0） ==
1355 +== 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm ==
1347 1347  
1348 1348  
1349 1349  Feature: Set internal and external temperature sensor alarms.
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1388 1388  
1389 1389  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 )
1390 1390  
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 -
1393 1393  0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
1394 1394  
1395 1395  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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1402 1402  == 5.1 Battery Type ==
1403 1403  
1404 1404  
1405 -
1406 1406  (((
1413 +(((
1407 1407  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.
1408 1408  )))
1416 +)))
1409 1409  
1418 +(((
1419 +
1420 +)))
1410 1410  
1411 -
1412 1412  (((
1423 +(((
1413 1413  The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
1414 1414  [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1415 1415  )))
1427 +)))
1416 1416  
1417 1417  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1418 1418  
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1435 1435  [[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]]
1436 1436  )))
1437 1437  
1450 +(((
1451 +
1452 +)))
1438 1438  
1439 1439  (((
1440 1440  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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1816 1816  [[image:image-20220623113959-5.png||height="528" width="397"]]
1817 1817  
1818 1818  (% _msthash="506146" _msttexthash="52173160" %)
1819 -Connect A5 and GND with Dupont wire for a while and then separate
1834 +Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1820 1820  
1821 1821  
1822 1822