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Last modified by Xiaoling on 2023/07/18 10:12
From version 188.1
edited by Edwin Chen
on 2022/07/03 11:17
Change comment: There is no comment for this version
To version 170.31
edited by Xiaoling
on 2022/06/22 11:23
Change comment: There is no comment for this version

Summary

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Author
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
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59 59  * Datalog feature
60 60  
61 61  
62 -
63 -
64 64  == 1.3 Specification ==
65 65  
66 66  
... ... @@ -86,8 +86,6 @@
86 86  * Operating Range: -55 °C ~~ 125 °C
87 87  
88 88  
89 -
90 -
91 91  = 2. Connect LHT65N to IoT Server =
92 92  
93 93  == 2.1 How does LHT65N work? ==
... ... @@ -272,6 +272,7 @@
272 272  
273 273  
274 274  
271 +
275 275  === 2.4.1 Decoder in TTN V3 ===
276 276  
277 277  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.
... ... @@ -305,6 +305,7 @@
305 305  
306 306  
307 307  
305 +
308 308  === 2.4.3 Built-in Temperature ===
309 309  
310 310  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
... ... @@ -318,6 +318,7 @@
318 318  
319 319  
320 320  
319 +
321 321  === 2.4.4 Built-in Humidity ===
322 322  
323 323  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
... ... @@ -327,6 +327,7 @@
327 327  
328 328  
329 329  
329 +
330 330  === 2.4.5 Ext # ===
331 331  
332 332  Bytes for External Sensor:
... ... @@ -482,6 +482,7 @@
482 482  
483 483  
484 484  
485 +
485 485  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
486 486  
487 487  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -492,43 +492,8 @@
492 492  
493 493  AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
494 494  
495 -For example:
496 496  
497 -AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
498 498  
499 -
500 -Or use **downlink command A2** to set the same.
501 -
502 -The measuring range of the node is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
503 -
504 -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.
505 -
506 -[[image:image-20220628150112-1.png||height="241" width="285"]]
507 -
508 -
509 -When ADC_IN1 pin is connected to GND or suspended, ADC value is 0
510 -
511 -[[image:image-20220628150714-4.png]]
512 -
513 -
514 -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.
515 -
516 -1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
517 -
518 -[[image:image-20220628151005-5.png]]
519 -
520 -
521 -2) The maximum range is about 1.1V. Each chip has internal calibration, so this value is close to 1.1v
522 -
523 -[[image:image-20220628151056-6.png]]
524 -
525 -
526 -3) Within range
527 -
528 -[[image:image-20220628151143-7.png]]
529 -
530 -
531 -
532 532  == 2.5 Show data on Datacake ==
533 533  
534 534  (((
... ... @@ -588,14 +588,13 @@
588 588  
589 589  There are two methods:
590 590  
591 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
592 -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.
593 593  
594 -Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
595 595  
596 -[[image:image-20220703111700-2.png||height="381" width="1119"]]
597 597  
598 598  
563 +
599 599  === 2.6.2 Unix TimeStamp ===
600 600  
601 601  
... ... @@ -1038,6 +1038,7 @@
1038 1038  
1039 1039  
1040 1040  
1006 +
1041 1041  == 2.8 LED Indicator ==
1042 1042  
1043 1043  The LHT65 has a triple color LED which for easy showing different stage .
... ... @@ -1047,13 +1047,10 @@
1047 1047  In a normal working state:
1048 1048  
1049 1049  * For each uplink, the BLUE LED or RED LED will blink once.
1050 -BLUE LED when external sensor is connected.
1016 + BLUE LED when external sensor is connected.
1051 1051  * RED LED when external sensor is not connected
1052 1052  * For each success downlink, the PURPLE LED will blink once
1053 1053  
1054 -
1055 -
1056 -
1057 1057  == 2.9 installation ==
1058 1058  
1059 1059  (% _mstvisible="1" %)
... ... @@ -1067,24 +1067,8 @@
1067 1067  
1068 1068  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1069 1069  
1070 -**1m long breakout cable for LHT65N. Features:**
1033 +1m long breakout cable for LHT65N
1071 1071  
1072 -* (((
1073 -Use for AT Command， works for both LHT52/LHT65N
1074 -)))
1075 -* (((
1076 -Update firmware for LHT65N, works for both LHT52/LHT65N
1077 -)))
1078 -* (((
1079 -Supports ADC mode to monitor external ADC
1080 -)))
1081 -* (((
1082 -Supports Interrupt mode
1083 -)))
1084 -* (((
1085 -Exposed All pins from the LHT65N Type-C connector.
1086 -)))
1087 -
1088 1088  [[image:image-20220619092421-3.png||height="371" width="529"]]
1089 1089  
1090 1090  
... ... @@ -1104,53 +1104,28 @@
1104 1104  * Operating Range: -40 ~~ 125 °C
1105 1105  * Working voltage 2.35v ~~ 5v
1106 1106  
1107 -
1108 -
1109 -
1110 1110  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1111 1111  
1112 -(((
1113 1113  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1114 -)))
1115 1115  
1116 -* (((
1117 -AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1118 -)))
1058 +* AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1119 1119  
1120 -* (((
1121 -LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1122 -)))
1060 +* LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1123 1123  
1124 -(((
1125 1125  There are two kinds of commands to configure LHT65N, they are:
1126 -)))
1127 1127  
1128 -* (((
1129 -(% style="color:#4f81bd" %)**General Commands**.
1130 -)))
1064 +* (% style="color:#4f81bd" %)**General Commands**.
1131 1131  
1132 -(((
1133 1133  These commands are to configure:
1134 -)))
1135 1135  
1136 -1. (((
1137 -General system settings like: uplink interval.
1138 -)))
1139 -1. (((
1140 -LoRaWAN protocol & radio-related commands.
1141 -)))
1068 +1. General system settings like: uplink interval.
1069 +1. LoRaWAN protocol & radio-related commands.
1142 1142  
1143 -(((
1144 1144  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]]
1145 -)))
1146 1146  
1147 -* (((
1148 -(% style="color:#4f81bd" %)**Commands special design for LHT65N**
1149 -)))
1073 +* (% style="color:#4f81bd" %)**Commands special design for LHT65N**
1150 1150  
1151 -(((
1152 1152  These commands are only valid for LHT65N, as below:
1153 -)))
1154 1154  
1155 1155  
1156 1156  == 4.1 Set Transmit Interval Time ==
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1172 1172  
1173 1173  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1174 1174  
1175 -
1176 -
1177 -
1178 1178  == 4.2 Set External Sensor Mode ==
1179 1179  
1180 1180  Feature: Change External Sensor Mode.
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1196 1196  
1197 1197  * 0xA20702003c: Same as AT+SETCNT=60
1198 1198  
1199 -
1200 -
1201 -
1202 1202  == 4.3 Enable/Disable uplink Temperature probe ID ==
1203 1203  
1204 1204  (((
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1226 1226  * **0xA800**  **~-~->** AT+PID=0
1227 1227  * **0xA801**     **~-~->** AT+PID=1
1228 1228  
1229 -
1230 -
1231 -
1232 1232  == 4.4 Set Password ==
1233 1233  
1234 1234  Feature: Set device password, max 9 digits
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1275 1275  
1276 1276  * There is no downlink command to set to Sleep mode.
1277 1277  
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 -
1380 1380  == 4.13 Auto Send None-ACK messages ==
1381 1381  
1382 1382  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
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1395 1395  
1396 1396  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1397 1397  
1398 -
1399 -
1400 -
1401 1401  = 5. Battery & How to replace =
1402 1402  
1403 1403  == 5.1 Battery Type ==
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1457 1457  
1458 1458  (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1459 1459  
1460 -* (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1461 -* (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1462 -* (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1463 -* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1364 +(% _msthash="506062" _msttexthash="1187732" %)
1365 +**✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1464 1464  
1367 +(% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1368 +
1369 +(% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1370 +
1371 +(% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1372 +
1373 +
1465 1465  (((
1466 1466  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.
1467 1467  )))
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1770 1770  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1771 1771  
1772 1772  
1773 -== 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1774 1774  
1775 -[[image:image-20220623110706-1.png]]
1776 -
1777 -
1778 -[[image:image-20220623112117-4.png||height="459" width="343"]]
1779 -
1780 -(((
1781 -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.
1782 -)))
1783 -
1784 -
1785 -Input password and ATZ to activate LHT65N,As shown below:
1786 -
1787 -[[image:image-20220615154519-3.png||height="672" width="807"]]
1788 -
1789 -
1790 -== 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1791 -
1792 -[[image:image-20220623110706-1.png]]
1793 -
1794 -(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1795 -
1796 -[[image:image-20220615170542-5.png]]
1797 -
1798 -
1799 -(% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1800 -
1801 -(% _msthash="506146" _msttexthash="52173160" %)
1802 -First connect the four lines；
1803 -
1804 -(% _msthash="506146" _msttexthash="52173160" %)
1805 -[[image:image-20220623113959-5.png||height="528" width="397"]]
1806 -
1807 -(% _msthash="506146" _msttexthash="52173160" %)
1808 -Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1809 -
1810 -(% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1811 -
1812 -[[image:image-20220615171334-6.png]]
1813 -
1814 -
1815 -Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade.
1816 -
1817 -
1818 -When this interface appears, it indicates that the download has been completed.
1819 -
1820 -[[image:image-20220620160723-8.png]]
1821 -
1822 -
1823 -Finally,restart reset device again
1824 -
1825 -
1826 1826  = 7. Order Info =
1827 1827  
1828 1828  
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1850 1850  
1851 1851  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1852 1852  
1853 -
1854 -
1855 -
1856 1856  = 8. Packing Info =
1857 1857  
1858 1858  
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1866 1866  * Device Size:  10 x 10 x 3.5 cm
1867 1867  * Device Weight: 120.5g
1868 1868  
1869 -
1870 -
1871 -
1872 1872  = 9. Reference material =
1873 1873  
1874 1874  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1875 1875  
1876 -
1877 -
1878 -
1879 1879  = 10. FCC Warning =
1880 1880  
1881 1881  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
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