Skip to Content
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 217.1
edited by Bei Jinggeng
on 2022/11/11 11:27
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -61,7 +61,6 @@
61 61  * Tri-color LED to indicate working status
62 62  * Datalog feature (Max 3328 records)
63 63  
64 -
65 65  == 1.3 Specification ==
66 66  
67 67  
... ... @@ -86,7 +86,6 @@
86 86  * ±2°C accuracy from -55°C to +125°C
87 87  * Operating Range: -55 °C ~~ 125 °C
88 88  
89 -
90 90  = 2. Connect LHT65N to IoT Server =
91 91  
92 92  
... ... @@ -186,6 +186,7 @@
186 186  
187 187  
188 188  
187 +
189 189  === 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
190 190  
191 191  
... ... @@ -244,7 +244,6 @@
244 244  * The 7th byte (EXT #): defines the external sensor model.
245 245  * 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.)
246 246  
247 -
248 248  === 2.4.1 Decoder in TTN V3 ===
249 249  
250 250  
... ... @@ -273,7 +273,6 @@
273 273  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
274 274  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
275 275  
276 -
277 277  === 2.4.3 Built-in Temperature ===
278 278  
279 279  
... ... @@ -285,7 +285,6 @@
285 285  
286 286  * Temperature:  (0xF5C6-65536)/100=-26.18℃
287 287  
288 -
289 289  === 2.4.4 Built-in Humidity ===
290 290  
291 291  
... ... @@ -293,7 +293,6 @@
293 293  
294 294  * Humidity:    0x025C/10=60.4%
295 295  
296 -
297 297  === 2.4.5 Ext # ===
298 298  
299 299  
... ... @@ -392,7 +392,6 @@
392 392  * (% 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.
393 393  * (% 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)
394 394  
395 -
396 396  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
397 397  
398 398  
... ... @@ -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  
678 +(((
679 +
680 +)))
684 684  
685 -
686 686  (((
687 687  **2. Manually Set Time**
688 688  )))
... ... @@ -921,11 +921,16 @@
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  
922 +
923 +)))
924 +
925 +(((
927 927  === 2.7.2 ALARM MODE ( Before v1.3.1 firmware) ===
928 928  
928 +
929 +)))
929 929  
930 930  (% _mstvisible="1" class="box infomessage" %)
931 931  (((
... ... @@ -1037,7 +1037,6 @@
1037 1037  * Operating Range: -40 ~~ 125 °C
1038 1038  * Working voltage 2.35v ~~ 5v
1039 1039  
1040 -
1041 1041  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1042 1042  
1043 1043  
... ... @@ -1107,7 +1107,6 @@
1107 1107  
1108 1108  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1109 1109  
1110 -
1111 1111  == 4.2 Set External Sensor Mode ==
1112 1112  
1113 1113  
... ... @@ -1131,7 +1131,6 @@
1131 1131  
1132 1132  * 0xA20702003c: Same as AT+SETCNT=60
1133 1133  
1134 -
1135 1135  == 4.3 Enable/Disable uplink Temperature probe ID ==
1136 1136  
1137 1137  
... ... @@ -1162,7 +1162,6 @@
1162 1162  * **0xA800**  **~-~->** AT+PID=0
1163 1163  * **0xA801**     **~-~->** AT+PID=1
1164 1164  
1165 -
1166 1166  == 4.4 Set Password ==
1167 1167  
1168 1168  
... ... @@ -1214,7 +1214,6 @@
1214 1214  
1215 1215  * There is no downlink command to set to Sleep mode.
1216 1216  
1217 -
1218 1218  == 4.7 Set system time ==
1219 1219  
1220 1220  
... ... @@ -1323,7 +1323,6 @@
1323 1323  
1324 1324  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1325 1325  
1326 -
1327 1327  == 4.13 Auto Send None-ACK messages ==
1328 1328  
1329 1329  
... ... @@ -1342,7 +1342,6 @@
1342 1342  
1343 1343  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1344 1344  
1345 -
1346 1346  == 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm（Since firmware 1.3.0） ==
1347 1347  
1348 1348  
... ... @@ -1402,17 +1402,22 @@
1402 1402  == 5.1 Battery Type ==
1403 1403  
1404 1404  
1405 -
1406 1406  (((
1400 +(((
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  )))
1403 +)))
1409 1409  
1405 +(((
1406 +
1407 +)))
1410 1410  
1411 -
1412 1412  (((
1410 +(((
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  )))
1414 +)))
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  
... ... @@ -1435,6 +1435,9 @@
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  
1437 +(((
1438 +
1439 +)))
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]]
... ... @@ -1816,7 +1816,7 @@
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
1821 +Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1820 1820  
1821 1821  
1822 1822  
... ... @@ -1857,7 +1857,6 @@
1857 1857  
1858 1858  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1859 1859  
1860 -
1861 1861  = 8. Packing Info =
1862 1862  
1863 1863  
... ... @@ -1871,13 +1871,11 @@
1871 1871  * Device Size:  10 x 10 x 3.5 cm
1872 1872  * Device Weight: 120.5g
1873 1873  
1874 -
1875 1875  = 9. Reference material =
1876 1876  
1877 1877  
1878 1878  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1879 1879  
1880 -
1881 1881  = 10. FCC Warning =
1882 1882  
1883 1883