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Last modified by Xiaoling on 2023/07/18 10:12
From version 222.1
edited by Edwin Chen
on 2022/11/19 11:48
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.Edwin
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  (((
... ... @@ -873,19 +873,10 @@
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** 
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 -Explain:
881 -
882 -* Set Working Mode to **Mode 3**
883 -* Sampling Interval is **60**s.
884 -* When there is **20** sampling dats, Device will send these data via one uplink. (max value is 60, means max 60 sampling in one uplink)
885 -* Temperature alarm range is **-16** to **32**°C,
886 -* **1** to enable temperature alarm, **0** to disable the temperature alarm. If alarm is enabled, a data will be sent immediately  if temperate exceeds the Alarm range.
887 -
888 -
889 889  (% style="color:#4f81bd" %)**Downlink Command:**
890 890  
891 891  **Example: **A50301003C14FFF0002001
... ... @@ -907,7 +907,7 @@
907 907  
908 908  **Uplink payload( Fport=3)**
909 909  
910 -**Example: CBEA**01**0992**//0A41//**09C4**
918 +**Example: **CBEA0109920A4109C4
911 911  
912 912  BatV=CBEA
913 913  
... ... @@ -923,11 +923,16 @@
923 923  (% style="color:red" %)**Note: This uplink will automatically select the appropriate DR according to the data length**
924 924  
925 925  (% style="color:red" %)** In this mode, the temperature resolution of ds18b20 is 0.25℃ to save power consumption**
926 -)))
927 927  
928 928  
936 +
937 +)))
938 +
939 +(((
929 929  === 2.7.2 ALARM MODE ( Before v1.3.1 firmware) ===
930 930  
942 +
943 +)))
931 931  
932 932  (% _mstvisible="1" class="box infomessage" %)
933 933  (((
... ... @@ -982,6 +982,8 @@
982 982  * RED LED when external sensor is not connected
983 983  * For each success downlink, the PURPLE LED will blink once
984 984  
998 +
999 +
985 985  == 2.9 installation ==
986 986  
987 987  
... ... @@ -1039,6 +1039,8 @@
1039 1039  * Operating Range: -40 ~~ 125 °C
1040 1040  * Working voltage 2.35v ~~ 5v
1041 1041  
1057 +
1058 +
1042 1042  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1043 1043  
1044 1044  
... ... @@ -1108,6 +1108,8 @@
1108 1108  
1109 1109  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1110 1110  
1128 +
1129 +
1111 1111  == 4.2 Set External Sensor Mode ==
1112 1112  
1113 1113  
... ... @@ -1131,6 +1131,8 @@
1131 1131  
1132 1132  * 0xA20702003c: Same as AT+SETCNT=60
1133 1133  
1153 +
1154 +
1134 1134  == 4.3 Enable/Disable uplink Temperature probe ID ==
1135 1135  
1136 1136  
... ... @@ -1161,6 +1161,8 @@
1161 1161  * **0xA800**  **~-~->** AT+PID=0
1162 1162  * **0xA801**     **~-~->** AT+PID=1
1163 1163  
1185 +
1186 +
1164 1164  == 4.4 Set Password ==
1165 1165  
1166 1166  
... ... @@ -1212,6 +1212,8 @@
1212 1212  
1213 1213  * There is no downlink command to set to Sleep mode.
1214 1214  
1238 +
1239 +
1215 1215  == 4.7 Set system time ==
1216 1216  
1217 1217  
... ... @@ -1320,6 +1320,8 @@
1320 1320  
1321 1321  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1322 1322  
1348 +
1349 +
1323 1323  == 4.13 Auto Send None-ACK messages ==
1324 1324  
1325 1325  
... ... @@ -1338,9 +1338,11 @@
1338 1338  
1339 1339  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1340 1340  
1341 -== 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm（Since firmware 1.3.0） ==
1342 1342  
1343 1343  
1370 +== 4.14 Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm ==
1371 +
1372 +
1344 1344  Feature: Set internal and external temperature sensor alarms.
1345 1345  
1346 1346  (% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:500px" %)
... ... @@ -1383,8 +1383,6 @@
1383 1383  
1384 1384  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 )
1385 1385  
1386 -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))
1387 -
1388 1388  0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
1389 1389  
1390 1390  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.
... ... @@ -1397,17 +1397,22 @@
1397 1397  == 5.1 Battery Type ==
1398 1398  
1399 1399  
1400 -
1401 1401  (((
1428 +(((
1402 1402  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.
1403 1403  )))
1431 +)))
1404 1404  
1433 +(((
1434 +
1435 +)))
1405 1405  
1406 -
1407 1407  (((
1438 +(((
1408 1408  The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
1409 1409  [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1410 1410  )))
1442 +)))
1411 1411  
1412 1412  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1413 1413  
... ... @@ -1430,6 +1430,9 @@
1430 1430  [[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]]
1431 1431  )))
1432 1432  
1465 +(((
1466 +
1467 +)))
1433 1433  
1434 1434  (((
1435 1435  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]]
... ... @@ -1811,7 +1811,7 @@
1811 1811  [[image:image-20220623113959-5.png||height="528" width="397"]]
1812 1812  
1813 1813  (% _msthash="506146" _msttexthash="52173160" %)
1814 -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.
1815 1815  
1816 1816  
1817 1817  
... ... @@ -1828,7 +1828,7 @@
1828 1828  [[image:image-20220620160723-8.png]]
1829 1829  
1830 1830  
1831 -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
1832 1832  
1833 1833  
1834 1834  
... ... @@ -1852,6 +1852,8 @@
1852 1852  
1853 1853  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1854 1854  
1890 +
1891 +
1855 1855  = 8. Packing Info =
1856 1856  
1857 1857  
... ... @@ -1862,14 +1862,18 @@
1862 1862  
1863 1863  **Dimension and weight**:
1864 1864  
1865 -* Device Size:  10 x 10 x 3.5 mm
1902 +* Device Size:  10 x 10 x 3.5 cm
1866 1866  * Device Weight: 120.5g
1867 1867  
1905 +
1906 +
1868 1868  = 9. Reference material =
1869 1869  
1870 1870  
1871 1871  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1872 1872  
1912 +
1913 +
1873 1873  = 10. FCC Warning =
1874 1874  
1875 1875