Last modified by Xiaoling on 2023/07/18 10:12

From version 220.1
edited by Bei Jinggeng
on 2022/11/16 15:39
Change comment: There is no comment for this version
To version 213.2
edited by Xiaoling
on 2022/11/02 15:39
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
... ... @@ -61,6 +61,8 @@
61 61  * Tri-color LED to indicate working status
62 62  * Datalog feature (Max 3328 records)
63 63  
64 +
65 +
64 64  == 1.3 Specification ==
65 65  
66 66  
... ... @@ -85,6 +85,8 @@
85 85  * ±2°C accuracy from -55°C to +125°C
86 86  * Operating Range: -55 °C ~~ 125 °C
87 87  
90 +
91 +
88 88  = 2. Connect LHT65N to IoT Server =
89 89  
90 90  
... ... @@ -184,6 +184,7 @@
184 184  
185 185  
186 186  
191 +
187 187  === 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
188 188  
189 189  
... ... @@ -242,6 +242,8 @@
242 242  * The 7th byte (EXT #): defines the external sensor model.
243 243  * The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won't be these four bytes.)
244 244  
250 +
251 +
245 245  === 2.4.1 Decoder in TTN V3 ===
246 246  
247 247  
... ... @@ -270,6 +270,8 @@
270 270  * BAT status=(0Xcba4>>14)&0xFF=11(B),very good
271 271  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
272 272  
280 +
281 +
273 273  === 2.4.3 Built-in Temperature ===
274 274  
275 275  
... ... @@ -281,6 +281,8 @@
281 281  
282 282  * Temperature:  (0xF5C6-65536)/100=-26.18℃
283 283  
293 +
294 +
284 284  === 2.4.4 Built-in Humidity ===
285 285  
286 286  
... ... @@ -288,6 +288,8 @@
288 288  
289 289  * Humidity:    0x025C/10=60.4%
290 290  
302 +
303 +
291 291  === 2.4.5 Ext # ===
292 292  
293 293  
... ... @@ -386,6 +386,8 @@
386 386  * (% style="color:blue" %)**Sync time OK**: (%%) 1: Set time ok,0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
387 387  * (% style="color:blue" %)**Unix Time Request**:(%%)  1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this)
388 388  
402 +
403 +
389 389  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
390 390  
391 391  
... ... @@ -674,8 +674,10 @@
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  
692 +(((
693 +
694 +)))
677 677  
678 -
679 679  (((
680 680  **2. Manually Set Time**
681 681  )))
... ... @@ -779,7 +779,7 @@
779 779  
780 780  
781 781  
782 -== 2.7 Alarm Mode & Feature "Multi sampling, one uplink" ==
799 +== 2.7 Alarm Mode ==
783 783  
784 784  
785 785  (((
... ... @@ -873,9 +873,9 @@
873 873  temperature fluctuation=05
874 874  
875 875  
876 -==== **Sampling multiple times and uplink together** ====
893 +**Collect multiple times and send once**
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.
895 +**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  
... ... @@ -914,11 +914,16 @@
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  
936 +
937 +)))
938 +
939 +(((
920 920  === 2.7.2 ALARM MODE ( Before v1.3.1 firmware) ===
921 921  
942 +
943 +)))
922 922  
923 923  (% _mstvisible="1" class="box infomessage" %)
924 924  (((
... ... @@ -973,6 +973,8 @@
973 973  * RED LED when external sensor is not connected
974 974  * For each success downlink, the PURPLE LED will blink once
975 975  
998 +
999 +
976 976  == 2.9 installation ==
977 977  
978 978  
... ... @@ -1030,6 +1030,8 @@
1030 1030  * Operating Range: -40 ~~ 125 °C
1031 1031  * Working voltage 2.35v ~~ 5v
1032 1032  
1057 +
1058 +
1033 1033  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1034 1034  
1035 1035  
... ... @@ -1099,6 +1099,8 @@
1099 1099  
1100 1100  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1101 1101  
1128 +
1129 +
1102 1102  == 4.2 Set External Sensor Mode ==
1103 1103  
1104 1104  
... ... @@ -1122,6 +1122,8 @@
1122 1122  
1123 1123  * 0xA20702003c: Same as AT+SETCNT=60
1124 1124  
1153 +
1154 +
1125 1125  == 4.3 Enable/Disable uplink Temperature probe ID ==
1126 1126  
1127 1127  
... ... @@ -1152,6 +1152,8 @@
1152 1152  * **0xA800**  **~-~->** AT+PID=0
1153 1153  * **0xA801**     **~-~->** AT+PID=1
1154 1154  
1185 +
1186 +
1155 1155  == 4.4 Set Password ==
1156 1156  
1157 1157  
... ... @@ -1203,6 +1203,8 @@
1203 1203  
1204 1204  * There is no downlink command to set to Sleep mode.
1205 1205  
1238 +
1239 +
1206 1206  == 4.7 Set system time ==
1207 1207  
1208 1208  
... ... @@ -1311,6 +1311,8 @@
1311 1311  
1312 1312  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1313 1313  
1348 +
1349 +
1314 1314  == 4.13 Auto Send None-ACK messages ==
1315 1315  
1316 1316  
... ... @@ -1329,9 +1329,11 @@
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) ==
1333 1333  
1334 1334  
1370 +== 4.14 Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm ==
1371 +
1372 +
1335 1335  Feature: Set internal and external temperature sensor alarms.
1336 1336  
1337 1337  (% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:500px" %)
... ... @@ -1374,8 +1374,6 @@
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.
... ... @@ -1388,17 +1388,22 @@
1388 1388  == 5.1 Battery Type ==
1389 1389  
1390 1390  
1391 -
1392 1392  (((
1428 +(((
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  )))
1431 +)))
1395 1395  
1433 +(((
1434 +
1435 +)))
1396 1396  
1397 -
1398 1398  (((
1438 +(((
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  )))
1442 +)))
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  
... ... @@ -1421,6 +1421,9 @@
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  
1465 +(((
1466 +
1467 +)))
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]]
... ... @@ -1802,7 +1802,7 @@
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,enter reset mode
1849 +Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1806 1806  
1807 1807  
1808 1808  
... ... @@ -1819,7 +1819,7 @@
1819 1819  [[image:image-20220620160723-8.png]]
1820 1820  
1821 1821  
1822 -Finally,Disconnect 3.3v,Connect A8 and GND with Dupont wire for a while and then separate,exit reset mode
1866 +Finally,restart reset device again
1823 1823  
1824 1824  
1825 1825  
... ... @@ -1843,6 +1843,8 @@
1843 1843  
1844 1844  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1845 1845  
1890 +
1891 +
1846 1846  = 8. Packing Info =
1847 1847  
1848 1848  
... ... @@ -1856,11 +1856,15 @@
1856 1856  * Device Size:  10 x 10 x 3.5 cm
1857 1857  * Device Weight: 120.5g
1858 1858  
1905 +
1906 +
1859 1859  = 9. Reference material =
1860 1860  
1861 1861  
1862 1862  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1863 1863  
1912 +
1913 +
1864 1864  = 10. FCC Warning =
1865 1865  
1866 1866