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Last modified by Xiaoling on 2023/07/18 10:12
From version 189.1
edited by Bei Jinggeng
on 2022/07/06 13:48
Change comment: There is no comment for this version
To version 170.30
edited by Xiaoling
on 2022/06/22 11:22
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
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59 59  * Datalog feature
60 60  
61 61  
62 -
63 63  == 1.3 Specification ==
64 64  
65 65  
... ... @@ -85,7 +85,6 @@
85 85  * Operating Range: -55 °C ~~ 125 °C
86 86  
87 87  
88 -
89 89  = 2. Connect LHT65N to IoT Server =
90 90  
91 91  == 2.1 How does LHT65N work? ==
... ... @@ -269,6 +269,8 @@
269 269  
270 270  
271 271  
270 +
271 +
272 272  === 2.4.1 Decoder in TTN V3 ===
273 273  
274 274  When the uplink payload arrives TTNv3, it shows HEX format and not friendly to read. We can add LHT65N decoder in TTNv3 for friendly reading.
... ... @@ -301,6 +301,8 @@
301 301  
302 302  
303 303  
304 +
305 +
304 304  === 2.4.3 Built-in Temperature ===
305 305  
306 306  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
... ... @@ -313,6 +313,8 @@
313 313  
314 314  
315 315  
318 +
319 +
316 316  === 2.4.4 Built-in Humidity ===
317 317  
318 318  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
... ... @@ -321,6 +321,8 @@
321 321  
322 322  
323 323  
328 +
329 +
324 324  === 2.4.5 Ext # ===
325 325  
326 326  Bytes for External Sensor:
... ... @@ -475,6 +475,8 @@
475 475  
476 476  
477 477  
484 +
485 +
478 478  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
479 479  
480 480  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -485,43 +485,8 @@
485 485  
486 486  AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
487 487  
488 -For example:
489 489  
490 -AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
491 491  
492 -
493 -Or use **downlink command A2** to set the same.
494 -
495 -The measuring range of the node is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
496 -
497 -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.
498 -
499 -[[image:image-20220628150112-1.png||height="241" width="285"]]
500 -
501 -
502 -When ADC_IN1 pin is connected to GND or suspended, ADC value is 0
503 -
504 -[[image:image-20220628150714-4.png]]
505 -
506 -
507 -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.
508 -
509 -1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
510 -
511 -[[image:image-20220628151005-5.png]]
512 -
513 -
514 -2) The maximum range is about 1.1V. Each chip has internal calibration, so this value is close to 1.1v
515 -
516 -[[image:image-20220628151056-6.png]]
517 -
518 -
519 -3) Within range
520 -
521 -[[image:image-20220628151143-7.png]]
522 -
523 -
524 -
525 525  == 2.5 Show data on Datacake ==
526 526  
527 527  (((
... ... @@ -581,14 +581,13 @@
581 581  
582 582  There are two methods:
583 583  
584 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
585 -1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after the network recovery.
557 +1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
558 +1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover.
586 586  
587 -Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
588 588  
589 -[[image:image-20220703111700-2.png||height="381" width="1119"]]
590 590  
591 591  
563 +
592 592  === 2.6.2 Unix TimeStamp ===
593 593  
594 594  
... ... @@ -994,56 +994,28 @@
994 994  
995 995  == 2.7 Alarm Mode ==
996 996  
997 -(((
998 998  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.
999 -)))
1000 1000  
1001 -(((
1002 1002  (% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
1003 -)))
1004 1004  
1005 -(((
1006 1006  **AT COMMAND FOR ALARM MODE:**
1007 -)))
1008 1008  
1009 1009  (% _mstvisible="1" class="box infomessage" %)
1010 1010  (((
1011 -(((
1012 1012  **AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1013 -)))
1014 1014  
1015 -(((
1016 1016  **AT+CITEMP=1**:  The interval between checking the alarm temperature. (In minutes)
1017 -)))
1018 1018  
1019 -(((
1020 1020  **AT+ARTEMP**:  Gets or sets the alarm range of the internal temperature sensor
1021 -)))
1022 1022  
1023 -(((
1024 1024  **AT+ARTEMP=？ **:  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1025 -)))
1026 1026  
1027 -(((
1028 1028  **AT+ARTEMP=45,105**:  Set the internal temperature sensor alarm range from 45 to 105.
1029 1029  )))
1030 -)))
1031 1031  
1032 -(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
1033 1033  
1034 -Total bytes: 8 bytes
1035 1035  
1036 -**Example:**AA0100010001003C
1037 1037  
1038 -WMOD=01
1039 -
1040 -CITEMP=0001
1041 -
1042 -TEMPlow=0001
1043 -
1044 -TEMPhigh=003C
1045 -
1046 -
1047 1047  == 2.8 LED Indicator ==
1048 1048  
1049 1049  The LHT65 has a triple color LED which for easy showing different stage .
... ... @@ -1053,12 +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.
1000 + 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 1062  == 2.9 installation ==
1063 1063  
1064 1064  (% _mstvisible="1" %)
... ... @@ -1072,24 +1072,8 @@
1072 1072  
1073 1073  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1074 1074  
1075 -**1m long breakout cable for LHT65N. Features:**
1017 +1m long breakout cable for LHT65N
1076 1076  
1077 -* (((
1078 -Use for AT Command， works for both LHT52/LHT65N
1079 -)))
1080 -* (((
1081 -Update firmware for LHT65N, works for both LHT52/LHT65N
1082 -)))
1083 -* (((
1084 -Supports ADC mode to monitor external ADC
1085 -)))
1086 -* (((
1087 -Supports Interrupt mode
1088 -)))
1089 -* (((
1090 -Exposed All pins from the LHT65N Type-C connector.
1091 -)))
1092 -
1093 1093  [[image:image-20220619092421-3.png||height="371" width="529"]]
1094 1094  
1095 1095  
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1109 1109  * Operating Range: -40 ~~ 125 °C
1110 1110  * Working voltage 2.35v ~~ 5v
1111 1111  
1112 -
1113 -
1114 1114  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1115 1115  
1116 -(((
1117 1117  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1118 -)))
1119 1119  
1120 -* (((
1121 -AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1122 -)))
1042 +* AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1123 1123  
1124 -* (((
1125 -LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1126 -)))
1044 +* LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1127 1127  
1128 -(((
1129 1129  There are two kinds of commands to configure LHT65N, they are:
1130 -)))
1131 1131  
1132 -* (((
1133 -(% style="color:#4f81bd" %)**General Commands**.
1134 -)))
1048 +* (% style="color:#4f81bd" %)**General Commands**.
1135 1135  
1136 -(((
1137 1137  These commands are to configure:
1138 -)))
1139 1139  
1140 -1. (((
1141 -General system settings like: uplink interval.
1142 -)))
1143 -1. (((
1144 -LoRaWAN protocol & radio-related commands.
1145 -)))
1052 +1. General system settings like: uplink interval.
1053 +1. LoRaWAN protocol & radio-related commands.
1146 1146  
1147 -(((
1148 1148  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]]
1149 -)))
1150 1150  
1151 -* (((
1152 -(% style="color:#4f81bd" %)**Commands special design for LHT65N**
1153 -)))
1057 +* (% style="color:#4f81bd" %)**Commands special design for LHT65N**
1154 1154  
1155 -(((
1156 1156  These commands are only valid for LHT65N, as below:
1157 -)))
1158 1158  
1159 1159  
1160 1160  == 4.1 Set Transmit Interval Time ==
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1176 1176  
1177 1177  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1178 1178  
1179 -
1180 -
1181 1181  == 4.2 Set External Sensor Mode ==
1182 1182  
1183 1183  Feature: Change External Sensor Mode.
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1199 1199  
1200 1200  * 0xA20702003c: Same as AT+SETCNT=60
1201 1201  
1202 -
1203 -
1204 1204  == 4.3 Enable/Disable uplink Temperature probe ID ==
1205 1205  
1206 1206  (((
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1228 1228  * **0xA800**  **~-~->** AT+PID=0
1229 1229  * **0xA801**     **~-~->** AT+PID=1
1230 1230  
1231 -
1232 -
1233 1233  == 4.4 Set Password ==
1234 1234  
1235 1235  Feature: Set device password, max 9 digits
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1276 1276  
1277 1277  * There is no downlink command to set to Sleep mode.
1278 1278  
1279 -
1280 -
1281 1281  == 4.7 Set system time ==
1282 1282  
1283 1283  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
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1374 1374  
1375 1375  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1376 1376  
1377 -
1378 -
1379 1379  == 4.13 Auto Send None-ACK messages ==
1380 1380  
1381 1381  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
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1394 1394  
1395 1395  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1396 1396  
1397 -
1398 -
1399 1399  = 5. Battery & How to replace =
1400 1400  
1401 1401  == 5.1 Battery Type ==
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1455 1455  
1456 1456  (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1457 1457  
1458 -* (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1459 -* (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1460 -* (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1461 -* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1348 +(% _msthash="506062" _msttexthash="1187732" %)
1349 +**✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1462 1462  
1351 +(% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1352 +
1353 +(% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1354 +
1355 +(% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1356 +
1357 +
1463 1463  (((
1464 1464  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.
1465 1465  )))
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1768 1768  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1769 1769  
1770 1770  
1771 -== 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1772 1772  
1773 -[[image:image-20220623110706-1.png]]
1774 -
1775 -
1776 -[[image:image-20220623112117-4.png||height="459" width="343"]]
1777 -
1778 -(((
1779 -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.
1780 -)))
1781 -
1782 -
1783 -Input password and ATZ to activate LHT65N,As shown below:
1784 -
1785 -[[image:image-20220615154519-3.png||height="672" width="807"]]
1786 -
1787 -
1788 -== 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1789 -
1790 -[[image:image-20220623110706-1.png]]
1791 -
1792 -(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1793 -
1794 -[[image:image-20220615170542-5.png]]
1795 -
1796 -
1797 -(% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1798 -
1799 -(% _msthash="506146" _msttexthash="52173160" %)
1800 -First connect the four lines；
1801 -
1802 -(% _msthash="506146" _msttexthash="52173160" %)
1803 -[[image:image-20220623113959-5.png||height="528" width="397"]]
1804 -
1805 -(% _msthash="506146" _msttexthash="52173160" %)
1806 -Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1807 -
1808 -(% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1809 -
1810 -[[image:image-20220615171334-6.png]]
1811 -
1812 -
1813 -Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade.
1814 -
1815 -
1816 -When this interface appears, it indicates that the download has been completed.
1817 -
1818 -[[image:image-20220620160723-8.png]]
1819 -
1820 -
1821 -Finally,restart reset device again
1822 -
1823 -
1824 1824  = 7. Order Info =
1825 1825  
1826 1826  
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1848 1848  
1849 1849  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1850 1850  
1851 -
1852 -
1853 1853  = 8. Packing Info =
1854 1854  
1855 1855  
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1863 1863  * Device Size:  10 x 10 x 3.5 cm
1864 1864  * Device Weight: 120.5g
1865 1865  
1866 -
1867 -
1868 1868  = 9. Reference material =
1869 1869  
1870 1870  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1871 1871  
1872 -
1873 -
1874 1874  = 10. FCC Warning =
1875 1875  
1876 1876  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
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