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

From version 223.1
edited by Bei Jinggeng
on 2022/11/28 17:20
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

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Bei
1 +XWiki.Edwin
Content
... ... @@ -16,6 +16,7 @@
16 16  
17 17  = 1. Introduction =
18 18  
19 +
19 19  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
20 20  
21 21  
... ... @@ -60,7 +60,6 @@
60 60  * Tri-color LED to indicate working status
61 61  * Datalog feature (Max 3328 records)
62 62  
63 -
64 64  == 1.3 Specification ==
65 65  
66 66  
... ... @@ -85,9 +85,9 @@
85 85  * ±2°C accuracy from -55°C to +125°C
86 86  * Operating Range: -55 °C ~~ 125 °C
87 87  
88 -
89 89  = 2. Connect LHT65N to IoT Server =
90 90  
90 +
91 91  == 2.1 How does LHT65N work? ==
92 92  
93 93  
... ... @@ -100,6 +100,7 @@
100 100  )))
101 101  
102 102  
103 +
103 103  == 2.2 How to Activate LHT65N? ==
104 104  
105 105  
... ... @@ -108,7 +108,7 @@
108 108  )))
109 109  
110 110  * (((
111 -(% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesn't have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
112 +(% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesnt have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
112 112  )))
113 113  * (((
114 114  (% style="color:blue" %)**Working Mode**(%%):  In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65N will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
... ... @@ -124,6 +124,7 @@
124 124  [[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
125 125  
126 126  
128 +
127 127  == 2.3 Example to join LoRaWAN network ==
128 128  
129 129  
... ... @@ -182,6 +182,7 @@
182 182  
183 183  
184 184  
187 +
185 185  === 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
186 186  
187 187  
... ... @@ -192,6 +192,7 @@
192 192  [[image:image-20220522233300-8.png||_mstalt="428389" _mstvisible="3" height="219" width="722"]]
193 193  
194 194  
198 +
195 195  == 2.4 Uplink Payload   ( Fport~=2) ==
196 196  
197 197  
... ... @@ -239,7 +239,6 @@
239 239  * The 7th byte (EXT #): defines the external sensor model.
240 240  * 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.)
241 241  
242 -
243 243  === 2.4.1 Decoder in TTN V3 ===
244 244  
245 245  
... ... @@ -268,7 +268,6 @@
268 268  * BAT status=(0Xcba4>>14)&0xFF=11(B),very good
269 269  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
270 270  
271 -
272 272  === 2.4.3 Built-in Temperature ===
273 273  
274 274  
... ... @@ -280,7 +280,6 @@
280 280  
281 281  * Temperature:  (0xF5C6-65536)/100=-26.18℃
282 282  
283 -
284 284  === 2.4.4 Built-in Humidity ===
285 285  
286 286  
... ... @@ -288,7 +288,6 @@
288 288  
289 289  * Humidity:    0x025C/10=60.4%
290 290  
291 -
292 292  === 2.4.5 Ext # ===
293 293  
294 294  
... ... @@ -297,8 +297,10 @@
297 297  [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
298 298  
299 299  
300 +
300 300  === 2.4.6 Ext value ===
301 301  
303 +
302 302  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
303 303  
304 304  
... ... @@ -385,7 +385,6 @@
385 385  * (% 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.
386 386  * (% 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)
387 387  
388 -
389 389  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
390 390  
391 391  
... ... @@ -598,6 +598,7 @@
598 598  [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
599 599  
600 600  
602 +
601 601  == 2.6 Datalog Feature ==
602 602  
603 603  
... ... @@ -606,6 +606,7 @@
606 606  )))
607 607  
608 608  
611 +
609 609  === 2.6.1 Ways to get datalog via LoRaWAN ===
610 610  
611 611  
... ... @@ -628,6 +628,7 @@
628 628  [[image:image-20220703111700-2.png||height="381" width="1119"]]
629 629  
630 630  
634 +
631 631  === 2.6.2 Unix TimeStamp ===
632 632  
633 633  
... ... @@ -644,10 +644,10 @@
644 644  
645 645  [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
646 646  
647 -
648 648  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
649 649  
650 650  
654 +
651 651  === 2.6.3 Set Device Time ===
652 652  
653 653  
... ... @@ -671,8 +671,10 @@
671 671  (% 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.**
672 672  )))
673 673  
678 +(((
679 +
680 +)))
674 674  
675 -
676 676  (((
677 677  **2. Manually Set Time**
678 678  )))
... ... @@ -775,6 +775,7 @@
775 775  Unix time is 0x60066009=1611030423s=21/1/19 04:27:03
776 776  
777 777  
784 +
778 778  == 2.7 Alarm Mode & Feature "Multi sampling, one uplink" ==
779 779  
780 780  
... ... @@ -786,10 +786,11 @@
786 786  (% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
787 787  
788 788  
796 +
789 789  === 2.7.1 ALARM MODE ( Since v1.3.1 firmware) ===
790 790  
791 791  
792 -**Internal GXHT30 temperature alarm(Acquisition time: fixed at one minute)**
800 +**Internal GXHT30 temperature alarm**
793 793  
794 794  (((
795 795  (% class="box infomessage" %)
... ... @@ -853,7 +853,7 @@
853 853  TEMPhigh=0014
854 854  
855 855  
856 -**Fluctuation alarm for DS18B20 and TMP117(Acquisition time: minimum 1s)**
864 +**Fluctuation alarm for DS18B20 and TMP117**
857 857  
858 858  **AT+WMOD=2,60,5** 
859 859  
... ... @@ -870,16 +870,8 @@
870 870  
871 871  ==== **Sampling multiple times and uplink together** ====
872 872  
873 -**AT+WMOD=3,1,60,20,-16,32,1**   
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.
874 874  
875 -Explain:
876 -
877 -* Set Working Mode to **Mode 3**
878 -* Sampling Interval is **60**s.
879 -* 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)
880 -* Temperature alarm range is **-16** to **32**°C,
881 -* **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.
882 -
883 883  (% style="color:#4f81bd" %)**Downlink Command:**
884 884  
885 885  **Example: **A50301003C14FFF0002001
... ... @@ -901,7 +901,7 @@
901 901  
902 902  **Uplink payload( Fport=3)**
903 903  
904 -**Example: CBEA**01**0992**//0A41//**09C4**
904 +**Example: **CBEA0109920A4109C4
905 905  
906 906  BatV=CBEA
907 907  
... ... @@ -917,11 +917,16 @@
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 -)))
921 921  
922 922  
922 +
923 +)))
924 +
925 +(((
923 923  === 2.7.2 ALARM MODE ( Before v1.3.1 firmware) ===
924 924  
928 +
929 +)))
925 925  
926 926  (% _mstvisible="1" class="box infomessage" %)
927 927  (((
... ... @@ -961,6 +961,7 @@
961 961  TEMPhigh=003C
962 962  
963 963  
969 +
964 964  == 2.8 LED Indicator ==
965 965  
966 966  
... ... @@ -975,7 +975,6 @@
975 975  * RED LED when external sensor is not connected
976 976  * For each success downlink, the PURPLE LED will blink once
977 977  
978 -
979 979  == 2.9 installation ==
980 980  
981 981  
... ... @@ -986,6 +986,7 @@
986 986  
987 987  = 3. Sensors and Accessories =
988 988  
994 +
989 989  == 3.1 E2 Extension Cable ==
990 990  
991 991  
... ... @@ -1016,6 +1016,8 @@
1016 1016  [[image:image-20220619092421-3.png||height="371" width="529"]]
1017 1017  
1018 1018  
1025 +
1026 +
1019 1019  == 3.2 E3 Temperature Probe ==
1020 1020  
1021 1021  
... ... @@ -1030,7 +1030,6 @@
1030 1030  * Operating Range: -40 ~~ 125 °C
1031 1031  * Working voltage 2.35v ~~ 5v
1032 1032  
1033 -
1034 1034  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1035 1035  
1036 1036  
... ... @@ -1078,6 +1078,7 @@
1078 1078  )))
1079 1079  
1080 1080  
1088 +
1081 1081  == 4.1 Set Transmit Interval Time ==
1082 1082  
1083 1083  
... ... @@ -1099,7 +1099,6 @@
1099 1099  
1100 1100  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1101 1101  
1102 -
1103 1103  == 4.2 Set External Sensor Mode ==
1104 1104  
1105 1105  
... ... @@ -1123,7 +1123,6 @@
1123 1123  
1124 1124  * 0xA20702003c: Same as AT+SETCNT=60
1125 1125  
1126 -
1127 1127  == 4.3 Enable/Disable uplink Temperature probe ID ==
1128 1128  
1129 1129  
... ... @@ -1154,7 +1154,6 @@
1154 1154  * **0xA800**  **~-~->** AT+PID=0
1155 1155  * **0xA801**     **~-~->** AT+PID=1
1156 1156  
1157 -
1158 1158  == 4.4 Set Password ==
1159 1159  
1160 1160  
... ... @@ -1171,6 +1171,7 @@
1171 1171  No downlink command for this feature.
1172 1172  
1173 1173  
1179 +
1174 1174  == 4.5 Quit AT Command ==
1175 1175  
1176 1176  
... ... @@ -1187,6 +1187,7 @@
1187 1187  No downlink command for this feature.
1188 1188  
1189 1189  
1196 +
1190 1190  == 4.6 Set to sleep mode ==
1191 1191  
1192 1192  
... ... @@ -1204,7 +1204,6 @@
1204 1204  
1205 1205  * There is no downlink command to set to Sleep mode.
1206 1206  
1207 -
1208 1208  == 4.7 Set system time ==
1209 1209  
1210 1210  
... ... @@ -1221,6 +1221,7 @@
1221 1221  0x306007806000  ~/~/  Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1222 1222  
1223 1223  
1230 +
1224 1224  == 4.8 Set Time Sync Mode ==
1225 1225  
1226 1226  
... ... @@ -1245,6 +1245,7 @@
1245 1245  0x28 00  ~/~/  Same As AT+SYNCMOD=0
1246 1246  
1247 1247  
1255 +
1248 1248  == 4.9 Set Time Sync Interval ==
1249 1249  
1250 1250  
... ... @@ -1261,6 +1261,7 @@
1261 1261  **0x29 0A**  ~/~/ Same as AT+SYNCTDC=0x0A
1262 1262  
1263 1263  
1272 +
1264 1264  == 4.10 Print data entries base on page. ==
1265 1265  
1266 1266  
... ... @@ -1277,6 +1277,7 @@
1277 1277  No downlink commands for feature
1278 1278  
1279 1279  
1289 +
1280 1280  == 4.11 Print last few data entries. ==
1281 1281  
1282 1282  
... ... @@ -1293,6 +1293,7 @@
1293 1293  No downlink commands for feature
1294 1294  
1295 1295  
1306 +
1296 1296  == 4.12 Clear Flash Record ==
1297 1297  
1298 1298  
... ... @@ -1308,7 +1308,6 @@
1308 1308  
1309 1309  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1310 1310  
1311 -
1312 1312  == 4.13 Auto Send None-ACK messages ==
1313 1313  
1314 1314  
... ... @@ -1327,10 +1327,9 @@
1327 1327  
1328 1328  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1329 1329  
1340 +== 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm ==
1330 1330  
1331 -== 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm(Since firmware 1.3.0) ==
1332 1332  
1333 -
1334 1334  Feature: Set internal and external temperature sensor alarms.
1335 1335  
1336 1336  (% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:500px" %)
... ... @@ -1373,32 +1373,39 @@
1373 1373  
1374 1374  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 )
1375 1375  
1376 -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))
1377 -
1378 1378  0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
1379 1379  
1380 1380  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.
1381 1381  
1382 1382  
1390 +
1383 1383  = 5. Battery & How to replace =
1384 1384  
1393 +
1385 1385  == 5.1 Battery Type ==
1386 1386  
1387 1387  
1388 1388  (((
1398 +(((
1389 1389  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.
1390 1390  )))
1401 +)))
1391 1391  
1392 1392  (((
1393 -The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
1404 +
1405 +)))
1394 1394  
1395 -
1407 +(((
1408 +(((
1409 +The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
1396 1396  [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1397 1397  )))
1412 +)))
1398 1398  
1399 1399  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1400 1400  
1401 1401  
1417 +
1402 1402  == 5.2 Replace Battery ==
1403 1403  
1404 1404  
... ... @@ -1407,6 +1407,7 @@
1407 1407  [[image:image-20220515075440-2.png||_mstalt="429546" _mstvisible="3" height="338" width="272"]][[image:image-20220515075625-3.png||_mstalt="431574" _mstvisible="3" height="193" width="257"]]
1408 1408  
1409 1409  
1426 +
1410 1410  == 5.3 Battery Life Analyze ==
1411 1411  
1412 1412  
... ... @@ -1415,6 +1415,9 @@
1415 1415  [[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]]
1416 1416  )))
1417 1417  
1435 +(((
1436 +
1437 +)))
1418 1418  
1419 1419  (((
1420 1420  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]]
... ... @@ -1421,8 +1421,10 @@
1421 1421  )))
1422 1422  
1423 1423  
1444 +
1424 1424  = 6. FAQ =
1425 1425  
1447 +
1426 1426  == 6.1 How to use AT Command? ==
1427 1427  
1428 1428  
... ... @@ -1643,6 +1643,7 @@
1643 1643  AT+PID:  Get or set the PID
1644 1644  
1645 1645  
1668 +
1646 1646  == 6.2 Where to use AT commands and Downlink commands ==
1647 1647  
1648 1648  
... ... @@ -1682,6 +1682,7 @@
1682 1682  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1683 1683  
1684 1684  
1708 +
1685 1685  == 6.3 How to change the uplink interval? ==
1686 1686  
1687 1687  
... ... @@ -1688,6 +1688,7 @@
1688 1688  Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/||_msthash="506137" _msttexthash="5712018" style="background-color: rgb(255, 255, 255);"]]
1689 1689  
1690 1690  
1715 +
1691 1691  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1692 1692  
1693 1693  
... ... @@ -1706,6 +1706,7 @@
1706 1706  [[image:image-20220615154519-3.png||height="672" width="807"]]
1707 1707  
1708 1708  
1734 +
1709 1709  == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1710 1710  
1711 1711  
... ... @@ -1748,6 +1748,7 @@
1748 1748  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1749 1749  
1750 1750  
1777 +
1751 1751  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1752 1752  
1753 1753  
... ... @@ -1767,6 +1767,7 @@
1767 1767  [[image:image-20220615154519-3.png||height="672" width="807"]]
1768 1768  
1769 1769  
1797 +
1770 1770  == 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1771 1771  
1772 1772  
... ... @@ -1788,7 +1788,7 @@
1788 1788  [[image:image-20220623113959-5.png||height="528" width="397"]]
1789 1789  
1790 1790  (% _msthash="506146" _msttexthash="52173160" %)
1791 -Connect A8 and GND with Dupont wire for a while and then separate,enter reset mode
1819 +Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1792 1792  
1793 1793  
1794 1794  
... ... @@ -1805,9 +1805,10 @@
1805 1805  [[image:image-20220620160723-8.png]]
1806 1806  
1807 1807  
1808 -Finally,Disconnect 3.3v,Connect A8 and GND with Dupont wire for a while and then separate,exit reset mode
1836 +Finally,restart reset device again
1809 1809  
1810 1810  
1839 +
1811 1811  = 7. Order Info =
1812 1812  
1813 1813  
... ... @@ -1828,7 +1828,6 @@
1828 1828  
1829 1829  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1830 1830  
1831 -
1832 1832  = 8. Packing Info =
1833 1833  
1834 1834  
... ... @@ -1839,16 +1839,14 @@
1839 1839  
1840 1840  **Dimension and weight**:
1841 1841  
1842 -* Device Size:  10 x 10 x 3.5 mm
1870 +* Device Size:  10 x 10 x 3.5 cm
1843 1843  * Device Weight: 120.5g
1844 1844  
1845 -
1846 1846  = 9. Reference material =
1847 1847  
1848 1848  
1849 1849  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1850 1850  
1851 -
1852 1852  = 10. FCC Warning =
1853 1853  
1854 1854