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Last modified by Xiaoling on 2023/07/18 10:12
From version 219.1
edited by Bei Jinggeng
on 2022/11/16 15:27
Change comment: There is no comment for this version
To version 215.1
edited by Edwin Chen
on 2022/11/03 23:50
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 +
187 187  === 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
188 188  
189 189  
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674 674  (% 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.**
675 675  )))
676 676  
678 +(((
679 +
680 +)))
677 677  
678 -
679 679  (((
680 680  **2. Manually Set Time**
681 681  )))
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875 875  
876 876  ==== **Sampling multiple times and uplink together** ====
877 877  
878 -**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.
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 -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.
879 879  
880 880  (% style="color:#4f81bd" %)**Downlink Command:**
881 881  
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914 914  (% style="color:red" %)**Note: This uplink will automatically select the appropriate DR according to the data length**
915 915  
916 916  (% style="color:red" %)** In this mode, the temperature resolution of ds18b20 is 0.25℃ to save power consumption**
917 -)))
918 918  
919 919  
922 +
923 +)))
924 +
925 +(((
920 920  === 2.7.2 ALARM MODE ( Before v1.3.1 firmware) ===
921 921  
928 +
929 +)))
922 922  
923 923  (% _mstvisible="1" class="box infomessage" %)
924 924  (((
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1329 1329  
1330 1330  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1331 1331  
1332 -== 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm（Since firmware 1.3.0） ==
1340 +== 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm ==
1333 1333  
1334 1334  
1335 1335  Feature: Set internal and external temperature sensor alarms.
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1374 1374  
1375 1375  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 )
1376 1376  
1377 -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))
1378 -
1379 1379  0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
1380 1380  
1381 1381  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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1388 1388  == 5.1 Battery Type ==
1389 1389  
1390 1390  
1391 -
1392 1392  (((
1398 +(((
1393 1393  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.
1394 1394  )))
1401 +)))
1395 1395  
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1405 +)))
1396 1396  
1397 -
1398 1398  (((
1408 +(((
1399 1399  The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
1400 1400  [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1401 1401  )))
1412 +)))
1402 1402  
1403 1403  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1404 1404  
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1421 1421  [[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]]
1422 1422  )))
1423 1423  
1435 +(((
1436 +
1437 +)))
1424 1424  
1425 1425  (((
1426 1426  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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1802 1802  [[image:image-20220623113959-5.png||height="528" width="397"]]
1803 1803  
1804 1804  (% _msthash="506146" _msttexthash="52173160" %)
1805 -Connect A8 and GND with Dupont wire for a while and then separate
1819 +Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1806 1806  
1807 1807  
1808 1808