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Last modified by Xiaoling on 2023/07/18 10:12
From version 185.4
edited by Xiaoling
on 2022/06/29 14:02
Change comment: There is no comment for this version
To version 170.29
edited by Xiaoling
on 2022/06/22 11:21
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -59,9 +59,6 @@
59 59  * Datalog feature
60 60  
61 61  
62 -
63 -
64 -
65 65  == 1.3 Specification ==
66 66  
67 67  
... ... @@ -87,9 +87,6 @@
87 87  * Operating Range: -55 °C ~~ 125 °C
88 88  
89 89  
90 -
91 -
92 -
93 93  = 2. Connect LHT65N to IoT Server =
94 94  
95 95  == 2.1 How does LHT65N work? ==
... ... @@ -499,43 +499,8 @@
499 499  
500 500  AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
501 501  
502 -For example:
503 503  
504 -AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
505 505  
506 -
507 -Or use **downlink command A2** to set the same.
508 -
509 -The measuring range of the node is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
510 -
511 -When the measured output voltage of the sensor is not within the range of 0.1V and 1.1V, the output voltage terminal of the sensor shall be divided The example in the following figure is to reduce the output voltage of the sensor by three times If it is necessary to reduce more times, calculate according to the formula in the figure and connect the corresponding resistance in series.
512 -
513 -[[image:image-20220628150112-1.png||height="241" width="285"]]
514 -
515 -
516 -When ADC_IN1 pin is connected to GND or suspended, ADC value is 0
517 -
518 -[[image:image-20220628150714-4.png]]
519 -
520 -
521 -When the voltage collected by ADC_IN1 is less than the minimum range, the minimum range will be used as the output; Similarly, when the collected voltage is greater than the maximum range, the maximum range will be used as the output.
522 -
523 -1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
524 -
525 -[[image:image-20220628151005-5.png]]
526 -
527 -
528 -2) The maximum range is about 1.1V. Each chip has internal calibration, so this value is close to 1.1v
529 -
530 -[[image:image-20220628151056-6.png]]
531 -
532 -
533 -3) Within range
534 -
535 -[[image:image-20220628151143-7.png]]
536 -
537 -
538 -
539 539  == 2.5 Show data on Datacake ==
540 540  
541 541  (((
... ... @@ -821,11 +821,9 @@
821 821  (% _mstvisible="2" %)
822 822  (((
823 823  (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
824 -(((
825 825  Poll Message Flag: 1: This message is a poll message reply.
826 826  )))
827 827  )))
828 -)))
829 829  
830 830  (% _mstvisible="1" %)
831 831  * (% _mstvisible="3" %)
... ... @@ -833,21 +833,17 @@
833 833  (% _mstvisible="4" %)
834 834  (((
835 835  (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
836 -(((
837 837  Poll Message Flag is set to 1.
838 838  )))
839 839  )))
840 -)))
841 841  * (% _mstvisible="3" %)
842 842  (((
843 843  (% _mstvisible="4" %)
844 844  (((
845 845  (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
846 -(((
847 847  Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
848 848  )))
849 849  )))
850 -)))
851 851  
852 852  (% _mstvisible="1" %)
853 853  (((
... ... @@ -854,16 +854,12 @@
854 854  (% _mstvisible="2" %)
855 855  (((
856 856  (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
857 -(((
858 858  
859 -)))
860 860  
861 861  (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
862 -(((
863 863  For example, in US915 band, the max payload for different DR is:
864 864  )))
865 865  )))
866 -)))
867 867  
868 868  (% _mstvisible="1" %)
869 869  (((
... ... @@ -870,11 +870,9 @@
870 870  (% _mstvisible="2" %)
871 871  (((
872 872  (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
873 -(((
874 874  a) DR0: max is 11 bytes so one entry of data
875 875  )))
876 876  )))
877 -)))
878 878  
879 879  (% _mstvisible="1" %)
880 880  (((
... ... @@ -881,11 +881,9 @@
881 881  (% _mstvisible="2" %)
882 882  (((
883 883  (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
884 -(((
885 885  b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
886 886  )))
887 887  )))
888 -)))
889 889  
890 890  (% _mstvisible="1" %)
891 891  (((
... ... @@ -892,11 +892,9 @@
892 892  (% _mstvisible="2" %)
893 893  (((
894 894  (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
895 -(((
896 896  c) DR2: total payload includes 11 entries of data
897 897  )))
898 898  )))
899 -)))
900 900  
901 901  (% _mstvisible="1" %)
902 902  (((
... ... @@ -903,11 +903,9 @@
903 903  (% _mstvisible="2" %)
904 904  (((
905 905  (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
906 -(((
907 907  d) DR3: total payload includes 22 entries of data.
908 908  )))
909 909  )))
910 -)))
911 911  
912 912  (% _mstvisible="1" %)
913 913  (((
... ... @@ -914,11 +914,9 @@
914 914  (% _mstvisible="2" %)
915 915  (((
916 916  (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
917 -(((
918 918  If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
919 919  )))
920 920  )))
921 -)))
922 922  
923 923  
924 924  (% _mstvisible="1" style="text-align: left;" %)
... ... @@ -964,86 +964,55 @@
964 964  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
965 965  
966 966  (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
967 -(((
968 968  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
969 -)))
970 970  
971 971  (% _msthash="315237" _msttexthash="1385839" %)
972 -(((
973 973  Where the first 11 bytes is for the first entry:
974 -)))
975 975  
976 976  (% _msthash="315238" _msttexthash="274846" %)
977 -(((
978 978  7FFF089801464160065F97
979 -)))
980 980  
981 981  (% _msthash="315239" _msttexthash="617435" %)
982 -(((
983 983  Ext sensor data=0x7FFF/100=327.67
984 -)))
985 985  
986 986  (% _msthash="315240" _msttexthash="270543" %)
987 -(((
988 988  Temp=0x0898/100=22.00
989 -)))
990 990  
991 991  (% _msthash="315241" _msttexthash="211783" %)
992 -(((
993 993  Hum=0x0146/10=32.6
994 -)))
995 995  
996 996  (% _msthash="315242" _msttexthash="1569776" %)
997 -(((
998 998  poll message flag & Ext=0x41,means reply data,Ext=1
999 -)))
1000 1000  
1001 1001  (% _msthash="315243" _msttexthash="1120509" %)
1002 -(((
1003 1003  Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
1004 -)))
1005 1005  
1006 1006  
1007 1007  
1008 1008  == 2.7 Alarm Mode ==
1009 1009  
1010 -(((
1011 1011  when the device is in alarm mode, it checks the built-in sensor temperature for a short time. if the temperature exceeds the preconfigured range, it sends an uplink immediately.
1012 -)))
1013 1013  
1014 -(((
1015 1015  (% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
1016 -)))
1017 1017  
1018 -(((
1019 1019  **AT COMMAND FOR ALARM MODE:**
1020 -)))
1021 1021  
1022 1022  (% _mstvisible="1" class="box infomessage" %)
1023 1023  (((
1024 -(((
1025 1025  **AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1026 -)))
1027 1027  
1028 -(((
1029 1029  **AT+CITEMP=1**:  The interval between checking the alarm temperature. (In minutes)
1030 -)))
1031 1031  
1032 -(((
1033 1033  **AT+ARTEMP**:  Gets or sets the alarm range of the internal temperature sensor
1034 -)))
1035 1035  
1036 -(((
1037 1037  **AT+ARTEMP=？ **:  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1038 -)))
1039 1039  
1040 -(((
1041 1041  **AT+ARTEMP=45,105**:  Set the internal temperature sensor alarm range from 45 to 105.
1042 1042  )))
1043 -)))
1044 1044  
1045 1045  
1046 1046  
954 +
1047 1047  == 2.8 LED Indicator ==
1048 1048  
1049 1049  The LHT65 has a triple color LED which for easy showing different stage .
... ... @@ -1053,14 +1053,10 @@
1053 1053  In a normal working state:
1054 1054  
1055 1055  * For each uplink, the BLUE LED or RED LED will blink once.
1056 -BLUE LED when external sensor is connected.
964 + BLUE LED when external sensor is connected.
1057 1057  * RED LED when external sensor is not connected
1058 1058  * For each success downlink, the PURPLE LED will blink once
1059 1059  
1060 -
1061 -
1062 -
1063 -
1064 1064  == 2.9 installation ==
1065 1065  
1066 1066  (% _mstvisible="1" %)
... ... @@ -1074,24 +1074,8 @@
1074 1074  
1075 1075  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1076 1076  
1077 -**1m long breakout cable for LHT65N. Features:**
981 +1m long breakout cable for LHT65N
1078 1078  
1079 -* (((
1080 -Use for AT Command， works for both LHT52/LHT65N
1081 -)))
1082 -* (((
1083 -Update firmware for LHT65N, works for both LHT52/LHT65N
1084 -)))
1085 -* (((
1086 -Supports ADC mode to monitor external ADC
1087 -)))
1088 -* (((
1089 -Supports Interrupt mode
1090 -)))
1091 -* (((
1092 -Exposed All pins from the LHT65N Type-C connector.
1093 -)))
1094 -
1095 1095  [[image:image-20220619092421-3.png||height="371" width="529"]]
1096 1096  
1097 1097  
... ... @@ -1111,54 +1111,28 @@
1111 1111  * Operating Range: -40 ~~ 125 °C
1112 1112  * Working voltage 2.35v ~~ 5v
1113 1113  
1114 -
1115 -
1116 -
1117 -
1118 1118  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1119 1119  
1120 -(((
1121 1121  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1122 -)))
1123 1123  
1124 -* (((
1125 -AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1126 -)))
1006 +* AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1127 1127  
1128 -* (((
1129 -LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1130 -)))
1008 +* LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1131 1131  
1132 -(((
1133 1133  There are two kinds of commands to configure LHT65N, they are:
1134 -)))
1135 1135  
1136 -* (((
1137 -(% style="color:#4f81bd" %)**General Commands**.
1138 -)))
1012 +* (% style="color:#4f81bd" %)**General Commands**.
1139 1139  
1140 -(((
1141 1141  These commands are to configure:
1142 -)))
1143 1143  
1144 -1. (((
1145 -General system settings like: uplink interval.
1146 -)))
1147 -1. (((
1148 -LoRaWAN protocol & radio-related commands.
1149 -)))
1016 +1. General system settings like: uplink interval.
1017 +1. LoRaWAN protocol & radio-related commands.
1150 1150  
1151 -(((
1152 1152  They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki: [[End Device Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
1153 -)))
1154 1154  
1155 -* (((
1156 -(% style="color:#4f81bd" %)**Commands special design for LHT65N**
1157 -)))
1021 +* (% style="color:#4f81bd" %)**Commands special design for LHT65N**
1158 1158  
1159 -(((
1160 1160  These commands are only valid for LHT65N, as below:
1161 -)))
1162 1162  
1163 1163  
1164 1164  == 4.1 Set Transmit Interval Time ==
... ... @@ -1180,10 +1180,6 @@
1180 1180  
1181 1181  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1182 1182  
1183 -
1184 -
1185 -
1186 -
1187 1187  == 4.2 Set External Sensor Mode ==
1188 1188  
1189 1189  Feature: Change External Sensor Mode.
... ... @@ -1205,10 +1205,6 @@
1205 1205  
1206 1206  * 0xA20702003c: Same as AT+SETCNT=60
1207 1207  
1208 -
1209 -
1210 -
1211 -
1212 1212  == 4.3 Enable/Disable uplink Temperature probe ID ==
1213 1213  
1214 1214  (((
... ... @@ -1236,10 +1236,6 @@
1236 1236  * **0xA800**  **~-~->** AT+PID=0
1237 1237  * **0xA801**     **~-~->** AT+PID=1
1238 1238  
1239 -
1240 -
1241 -
1242 -
1243 1243  == 4.4 Set Password ==
1244 1244  
1245 1245  Feature: Set device password, max 9 digits
... ... @@ -1286,10 +1286,6 @@
1286 1286  
1287 1287  * There is no downlink command to set to Sleep mode.
1288 1288  
1289 -
1290 -
1291 -
1292 -
1293 1293  == 4.7 Set system time ==
1294 1294  
1295 1295  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
... ... @@ -1386,10 +1386,6 @@
1386 1386  
1387 1387  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1388 1388  
1389 -
1390 -
1391 -
1392 -
1393 1393  == 4.13 Auto Send None-ACK messages ==
1394 1394  
1395 1395  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
... ... @@ -1408,10 +1408,6 @@
1408 1408  
1409 1409  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1410 1410  
1411 -
1412 -
1413 -
1414 -
1415 1415  = 5. Battery & How to replace =
1416 1416  
1417 1417  == 5.1 Battery Type ==
... ... @@ -1471,11 +1471,16 @@
1471 1471  
1472 1472  (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1473 1473  
1474 -* (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1475 -* (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1476 -* (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1477 -* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1312 +(% _msthash="506062" _msttexthash="1187732" %)
1313 +**✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1478 1478  
1315 +(% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1316 +
1317 +(% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1318 +
1319 +(% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1320 +
1321 +
1479 1479  (((
1480 1480  In PC, User needs to set serial tool(such as [[**putty**>>https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LHT65N. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**) (%%)to active it. Timeout to input AT Command is 5 min, after 5-minute, user need to input password again. User can use AT+DISAT command to disable AT command before timeout.
1481 1481  )))
... ... @@ -1784,59 +1784,7 @@
1784 1784  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1785 1785  
1786 1786  
1787 -== 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1788 1788  
1789 -[[image:image-20220623110706-1.png]]
1790 -
1791 -
1792 -[[image:image-20220623112117-4.png||height="459" width="343"]]
1793 -
1794 -(((
1795 -In PC, User needs to set serial tool(such as [[**putty**>>https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600** (%%)to access to access serial console for LHT65N. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**(% style="color:red" %))(%%) to active it. Timeout to input AT Command is 5 min, after 5-minute, user need to input password again. User can use AT+DISAT command to disable AT command before timeout.
1796 -)))
1797 -
1798 -
1799 -Input password and ATZ to activate LHT65N,As shown below:
1800 -
1801 -[[image:image-20220615154519-3.png||height="672" width="807"]]
1802 -
1803 -
1804 -== 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1805 -
1806 -[[image:image-20220623110706-1.png]]
1807 -
1808 -(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1809 -
1810 -[[image:image-20220615170542-5.png]]
1811 -
1812 -
1813 -(% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1814 -
1815 -(% _msthash="506146" _msttexthash="52173160" %)
1816 -First connect the four lines；
1817 -
1818 -(% _msthash="506146" _msttexthash="52173160" %)
1819 -[[image:image-20220623113959-5.png||height="528" width="397"]]
1820 -
1821 -(% _msthash="506146" _msttexthash="52173160" %)
1822 -Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1823 -
1824 -(% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1825 -
1826 -[[image:image-20220615171334-6.png]]
1827 -
1828 -
1829 -Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade.
1830 -
1831 -
1832 -When this interface appears, it indicates that the download has been completed.
1833 -
1834 -[[image:image-20220620160723-8.png]]
1835 -
1836 -
1837 -Finally,restart reset device again
1838 -
1839 -
1840 1840  = 7. Order Info =
1841 1841  
1842 1842  
... ... @@ -1864,10 +1864,6 @@
1864 1864  
1865 1865  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1866 1866  
1867 -
1868 -
1869 -
1870 -
1871 1871  = 8. Packing Info =
1872 1872  
1873 1873  
... ... @@ -1881,18 +1881,10 @@
1881 1881  * Device Size:  10 x 10 x 3.5 cm
1882 1882  * Device Weight: 120.5g
1883 1883  
1884 -
1885 -
1886 -
1887 -
1888 1888  = 9. Reference material =
1889 1889  
1890 1890  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1891 1891  
1892 -
1893 -
1894 -
1895 -
1896 1896  = 10. FCC Warning =
1897 1897  
1898 1898  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
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