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Last modified by Xiaoling on 2023/07/18 10:12
From version 216.1
edited by Bei Jinggeng
on 2022/11/11 09:19
Change comment: There is no comment for this version
To version 217.3
edited by Xiaoling
on 2022/11/12 17:24
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  
... ... @@ -184,7 +184,6 @@
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  
... ... @@ -243,6 +243,8 @@
243 243  * The 7th byte (EXT #): defines the external sensor model.
244 244  * 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.)
245 245  
249 +
250 +
246 246  === 2.4.1 Decoder in TTN V3 ===
247 247  
248 248  
... ... @@ -271,6 +271,8 @@
271 271  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
272 272  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
273 273  
279 +
280 +
274 274  === 2.4.3 Built-in Temperature ===
275 275  
276 276  
... ... @@ -282,6 +282,8 @@
282 282  
283 283  * Temperature:  (0xF5C6-65536)/100=-26.18℃
284 284  
292 +
293 +
285 285  === 2.4.4 Built-in Humidity ===
286 286  
287 287  
... ... @@ -289,6 +289,8 @@
289 289  
290 290  * Humidity:    0x025C/10=60.4%
291 291  
301 +
302 +
292 292  === 2.4.5 Ext # ===
293 293  
294 294  
... ... @@ -387,6 +387,8 @@
387 387  * (% 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.
388 388  * (% 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)
389 389  
401 +
402 +
390 390  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
391 391  
392 392  
... ... @@ -675,10 +675,8 @@
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  
692 +
682 682  (((
683 683  **2. Manually Set Time**
684 684  )))
... ... @@ -878,7 +878,7 @@
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 -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.
892 +**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.
882 882  
883 883  (% style="color:#4f81bd" %)**Downlink Command:**
884 884  
... ... @@ -917,16 +917,11 @@
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 -(((
933 +
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  (((
... ... @@ -981,6 +981,7 @@
981 981  * RED LED when external sensor is not connected
982 982  * For each success downlink, the PURPLE LED will blink once
983 983  
990 +
984 984  == 2.9 installation ==
985 985  
986 986  
... ... @@ -1038,6 +1038,8 @@
1038 1038  * Operating Range: -40 ~~ 125 °C
1039 1039  * Working voltage 2.35v ~~ 5v
1040 1040  
1048 +
1049 +
1041 1041  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1042 1042  
1043 1043  
... ... @@ -1107,6 +1107,8 @@
1107 1107  
1108 1108  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1109 1109  
1119 +
1120 +
1110 1110  == 4.2 Set External Sensor Mode ==
1111 1111  
1112 1112  
... ... @@ -1130,6 +1130,8 @@
1130 1130  
1131 1131  * 0xA20702003c: Same as AT+SETCNT=60
1132 1132  
1144 +
1145 +
1133 1133  == 4.3 Enable/Disable uplink Temperature probe ID ==
1134 1134  
1135 1135  
... ... @@ -1160,6 +1160,8 @@
1160 1160  * **0xA800**  **~-~->** AT+PID=0
1161 1161  * **0xA801**     **~-~->** AT+PID=1
1162 1162  
1176 +
1177 +
1163 1163  == 4.4 Set Password ==
1164 1164  
1165 1165  
... ... @@ -1211,6 +1211,8 @@
1211 1211  
1212 1212  * There is no downlink command to set to Sleep mode.
1213 1213  
1229 +
1230 +
1214 1214  == 4.7 Set system time ==
1215 1215  
1216 1216  
... ... @@ -1319,6 +1319,8 @@
1319 1319  
1320 1320  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1321 1321  
1339 +
1340 +
1322 1322  == 4.13 Auto Send None-ACK messages ==
1323 1323  
1324 1324  
... ... @@ -1337,6 +1337,8 @@
1337 1337  
1338 1338  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1339 1339  
1359 +
1360 +
1340 1340  == 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm（Since firmware 1.3.0） ==
1341 1341  
1342 1342  
... ... @@ -1382,6 +1382,8 @@
1382 1382  
1383 1383  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 )
1384 1384  
1406 +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))
1407 +
1385 1385  0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
1386 1386  
1387 1387  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.
... ... @@ -1394,22 +1394,17 @@
1394 1394  == 5.1 Battery Type ==
1395 1395  
1396 1396  
1420 +
1397 1397  (((
1398 -(((
1399 1399  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.
1400 1400  )))
1401 -)))
1402 1402  
1403 -(((
1404 -
1405 -)))
1406 1406  
1426 +
1407 1407  (((
1408 -(((
1409 1409  The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
1410 1410  [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1411 1411  )))
1412 -)))
1413 1413  
1414 1414  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1415 1415  
... ... @@ -1432,9 +1432,6 @@
1432 1432  [[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]]
1433 1433  )))
1434 1434  
1435 -(((
1436 -
1437 -)))
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]]
... ... @@ -1857,6 +1857,8 @@
1857 1857  
1858 1858  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1859 1859  
1875 +
1876 +
1860 1860  = 8. Packing Info =
1861 1861  
1862 1862  
... ... @@ -1870,11 +1870,15 @@
1870 1870  * Device Size:  10 x 10 x 3.5 cm
1871 1871  * Device Weight: 120.5g
1872 1872  
1890 +
1891 +
1873 1873  = 9. Reference material =
1874 1874  
1875 1875  
1876 1876  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1877 1877  
1897 +
1898 +
1878 1878  = 10. FCC Warning =
1879 1879  
1880 1880