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Last modified by Xiaoling on 2023/07/18 10:12
From version 189.7
edited by Xiaoling
on 2022/07/22 11:10
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

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Content
... ... @@ -59,7 +59,6 @@
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? ==
... ... @@ -164,10 +164,9 @@
164 164  [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
165 165  
166 166  
165 +Note: LHT65N use same payload as LHT65.
167 167  
168 -(% style="color:red" %)**Note: LHT65N use same payload as LHT65.**
169 169  
170 -
171 171  [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
172 172  
173 173  
... ... @@ -266,10 +266,12 @@
266 266  
267 267  * The First 6 bytes: has fix meanings for every LHT65N.
268 268  * The 7th byte (EXT #): defines the external sensor model.
269 -* 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.)
266 +* 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.)
270 270  
271 271  
272 272  
270 +
271 +
273 273  === 2.4.1 Decoder in TTN V3 ===
274 274  
275 275  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.
... ... @@ -302,6 +302,8 @@
302 302  
303 303  
304 304  
304 +
305 +
305 305  === 2.4.3 Built-in Temperature ===
306 306  
307 307  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
... ... @@ -314,6 +314,8 @@
314 314  
315 315  
316 316  
318 +
319 +
317 317  === 2.4.4 Built-in Humidity ===
318 318  
319 319  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
... ... @@ -322,6 +322,8 @@
322 322  
323 323  
324 324  
328 +
329 +
325 325  === 2.4.5 Ext # ===
326 326  
327 327  Bytes for External Sensor:
... ... @@ -468,17 +468,16 @@
468 468  
469 469  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
470 470  
471 -(% border="1" cellspacing="8" style="background-color:#ffffcc; color:green; width:520px" %)
472 -|(% style="width:60px" %)**Bits**|(% style="width:90px" %)**7**|(% style="width:100px" %)**6**|(% style="width:90px" %)**5**|(% style="width:100px" %)**4**|(% style="width:60px" %)**[3:0]**
473 -|(% style="width:96px" %)**Status&Ext**|(% style="width:124px" %)None-ACK Flag|(% style="width:146px" %)Poll Message FLAG|(% style="width:109px" %)Sync time OK|(% style="width:143px" %)Unix Time Request|(% style="width:106px" %)Ext: 0b(1001)
476 +[[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
474 474  
475 -* (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
476 -* (% 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.
477 -* (% 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)
478 +* Poll Message Flag:  1: This message is a poll message reply, 0: means this is a normal uplink.
479 +* 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.
480 +* 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)
478 478  
479 479  
480 480  
481 481  
485 +
482 482  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
483 483  
484 484  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -489,43 +489,8 @@
489 489  
490 490  AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
491 491  
492 -For example:
493 493  
494 -AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
495 495  
496 -
497 -Or use **downlink command A2** to set the same.
498 -
499 -The measuring range of the node is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
500 -
501 -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.
502 -
503 -[[image:image-20220628150112-1.png||height="241" width="285"]]
504 -
505 -
506 -When ADC_IN1 pin is connected to GND or suspended, ADC value is 0
507 -
508 -[[image:image-20220628150714-4.png]]
509 -
510 -
511 -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.
512 -
513 -1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
514 -
515 -[[image:image-20220628151005-5.png]]
516 -
517 -
518 -2) The maximum range is about 1.1V. Each chip has internal calibration, so this value is close to 1.1v
519 -
520 -[[image:image-20220628151056-6.png]]
521 -
522 -
523 -3) Within range
524 -
525 -[[image:image-20220628151143-7.png]]
526 -
527 -
528 -
529 529  == 2.5 Show data on Datacake ==
530 530  
531 531  (((
... ... @@ -585,14 +585,13 @@
585 585  
586 586  There are two methods:
587 587  
588 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
589 -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.
590 590  
591 -Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
592 592  
593 -[[image:image-20220703111700-2.png||height="381" width="1119"]]
594 594  
595 595  
563 +
596 596  === 2.6.2 Unix TimeStamp ===
597 597  
598 598  
... ... @@ -998,56 +998,28 @@
998 998  
999 999  == 2.7 Alarm Mode ==
1000 1000  
1001 -(((
1002 1002  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.
1003 -)))
1004 1004  
1005 -(((
1006 1006  (% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
1007 -)))
1008 1008  
1009 -(((
1010 1010  **AT COMMAND FOR ALARM MODE:**
1011 -)))
1012 1012  
1013 1013  (% _mstvisible="1" class="box infomessage" %)
1014 1014  (((
1015 -(((
1016 1016  **AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1017 -)))
1018 1018  
1019 -(((
1020 1020  **AT+CITEMP=1**:  The interval between checking the alarm temperature. (In minutes)
1021 -)))
1022 1022  
1023 -(((
1024 1024  **AT+ARTEMP**:  Gets or sets the alarm range of the internal temperature sensor
1025 -)))
1026 1026  
1027 -(((
1028 1028  **AT+ARTEMP=？ **:  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1029 -)))
1030 1030  
1031 -(((
1032 1032  **AT+ARTEMP=45,105**:  Set the internal temperature sensor alarm range from 45 to 105.
1033 1033  )))
1034 -)))
1035 1035  
1036 -(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
1037 1037  
1038 -Total bytes: 8 bytes
1039 1039  
1040 -**Example:**AA0100010001003C
1041 1041  
1042 -WMOD=01
1043 -
1044 -CITEMP=0001
1045 -
1046 -TEMPlow=0001
1047 -
1048 -TEMPhigh=003C
1049 -
1050 -
1051 1051  == 2.8 LED Indicator ==
1052 1052  
1053 1053  The LHT65 has a triple color LED which for easy showing different stage .
... ... @@ -1057,12 +1057,10 @@
1057 1057  In a normal working state:
1058 1058  
1059 1059  * For each uplink, the BLUE LED or RED LED will blink once.
1060 -BLUE LED when external sensor is connected.
1000 + BLUE LED when external sensor is connected.
1061 1061  * RED LED when external sensor is not connected
1062 1062  * For each success downlink, the PURPLE LED will blink once
1063 1063  
1064 -
1065 -
1066 1066  == 2.9 installation ==
1067 1067  
1068 1068  (% _mstvisible="1" %)
... ... @@ -1076,24 +1076,8 @@
1076 1076  
1077 1077  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1078 1078  
1079 -**1m long breakout cable for LHT65N. Features:**
1017 +1m long breakout cable for LHT65N
1080 1080  
1081 -* (((
1082 -Use for AT Command， works for both LHT52/LHT65N
1083 -)))
1084 -* (((
1085 -Update firmware for LHT65N, works for both LHT52/LHT65N
1086 -)))
1087 -* (((
1088 -Supports ADC mode to monitor external ADC
1089 -)))
1090 -* (((
1091 -Supports Interrupt mode
1092 -)))
1093 -* (((
1094 -Exposed All pins from the LHT65N Type-C connector.
1095 -)))
1096 -
1097 1097  [[image:image-20220619092421-3.png||height="371" width="529"]]
1098 1098  
1099 1099  
... ... @@ -1113,52 +1113,28 @@
1113 1113  * Operating Range: -40 ~~ 125 °C
1114 1114  * Working voltage 2.35v ~~ 5v
1115 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 -)))
1042 +* 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 -)))
1044 +* 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 -)))
1048 +* (% 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 -)))
1052 +1. General system settings like: uplink interval.
1053 +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 -)))
1057 +* (% 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 ==
... ... @@ -1180,8 +1180,6 @@
1180 1180  
1181 1181  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1182 1182  
1183 -
1184 -
1185 1185  == 4.2 Set External Sensor Mode ==
1186 1186  
1187 1187  Feature: Change External Sensor Mode.
... ... @@ -1203,8 +1203,6 @@
1203 1203  
1204 1204  * 0xA20702003c: Same as AT+SETCNT=60
1205 1205  
1206 -
1207 -
1208 1208  == 4.3 Enable/Disable uplink Temperature probe ID ==
1209 1209  
1210 1210  (((
... ... @@ -1232,8 +1232,6 @@
1232 1232  * **0xA800**  **~-~->** AT+PID=0
1233 1233  * **0xA801**     **~-~->** AT+PID=1
1234 1234  
1235 -
1236 -
1237 1237  == 4.4 Set Password ==
1238 1238  
1239 1239  Feature: Set device password, max 9 digits
... ... @@ -1280,8 +1280,6 @@
1280 1280  
1281 1281  * There is no downlink command to set to Sleep mode.
1282 1282  
1283 -
1284 -
1285 1285  == 4.7 Set system time ==
1286 1286  
1287 1287  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
... ... @@ -1378,8 +1378,6 @@
1378 1378  
1379 1379  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1380 1380  
1381 -
1382 -
1383 1383  == 4.13 Auto Send None-ACK messages ==
1384 1384  
1385 1385  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
... ... @@ -1398,8 +1398,6 @@
1398 1398  
1399 1399  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1400 1400  
1401 -
1402 -
1403 1403  = 5. Battery & How to replace =
1404 1404  
1405 1405  == 5.1 Battery Type ==
... ... @@ -1459,11 +1459,16 @@
1459 1459  
1460 1460  (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1461 1461  
1462 -* (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1463 -* (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1464 -* (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1465 -* (% 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(%%)**
1466 1466  
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 +
1467 1467  (((
1468 1468  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.
1469 1469  )))
... ... @@ -1772,59 +1772,7 @@
1772 1772  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1773 1773  
1774 1774  
1775 -== 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1776 1776  
1777 -[[image:image-20220623110706-1.png]]
1778 -
1779 -
1780 -[[image:image-20220623112117-4.png||height="459" width="343"]]
1781 -
1782 -(((
1783 -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.
1784 -)))
1785 -
1786 -
1787 -Input password and ATZ to activate LHT65N,As shown below:
1788 -
1789 -[[image:image-20220615154519-3.png||height="672" width="807"]]
1790 -
1791 -
1792 -== 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1793 -
1794 -[[image:image-20220623110706-1.png]]
1795 -
1796 -(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1797 -
1798 -[[image:image-20220615170542-5.png]]
1799 -
1800 -
1801 -(% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1802 -
1803 -(% _msthash="506146" _msttexthash="52173160" %)
1804 -First connect the four lines；
1805 -
1806 -(% _msthash="506146" _msttexthash="52173160" %)
1807 -[[image:image-20220623113959-5.png||height="528" width="397"]]
1808 -
1809 -(% _msthash="506146" _msttexthash="52173160" %)
1810 -Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1811 -
1812 -(% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1813 -
1814 -[[image:image-20220615171334-6.png]]
1815 -
1816 -
1817 -Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade.
1818 -
1819 -
1820 -When this interface appears, it indicates that the download has been completed.
1821 -
1822 -[[image:image-20220620160723-8.png]]
1823 -
1824 -
1825 -Finally,restart reset device again
1826 -
1827 -
1828 1828  = 7. Order Info =
1829 1829  
1830 1830  
... ... @@ -1852,8 +1852,6 @@
1852 1852  
1853 1853  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1854 1854  
1855 -
1856 -
1857 1857  = 8. Packing Info =
1858 1858  
1859 1859  
... ... @@ -1867,14 +1867,10 @@
1867 1867  * Device Size:  10 x 10 x 3.5 cm
1868 1868  * Device Weight: 120.5g
1869 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 1878  = 10. FCC Warning =
1879 1879  
1880 1880  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
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