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Last modified by Xiaoling on 2023/07/18 10:12
From version 189.3
edited by Xiaoling
on 2022/07/22 10:33
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
... ... @@ -58,6 +58,7 @@
58 58  * Tri-color LED to indicate working status
59 59  * Datalog feature
60 60  
61 +
61 61  == 1.3 Specification ==
62 62  
63 63  
... ... @@ -82,6 +82,7 @@
82 82  * ±2°C accuracy from -55°C to +125°C
83 83  * Operating Range: -55 °C ~~ 125 °C
84 84  
86 +
85 85  = 2. Connect LHT65N to IoT Server =
86 86  
87 87  == 2.1 How does LHT65N work? ==
... ... @@ -266,6 +266,7 @@
266 266  
267 267  
268 268  
271 +
269 269  === 2.4.1 Decoder in TTN V3 ===
270 270  
271 271  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.
... ... @@ -299,6 +299,7 @@
299 299  
300 300  
301 301  
305 +
302 302  === 2.4.3 Built-in Temperature ===
303 303  
304 304  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
... ... @@ -312,6 +312,7 @@
312 312  
313 313  
314 314  
319 +
315 315  === 2.4.4 Built-in Humidity ===
316 316  
317 317  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
... ... @@ -321,6 +321,7 @@
321 321  
322 322  
323 323  
329 +
324 324  === 2.4.5 Ext # ===
325 325  
326 326  Bytes for External Sensor:
... ... @@ -467,16 +467,16 @@
467 467  
468 468  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
469 469  
470 -(% border="1" cellspacing="8" style="background-color:#ffffcc; color:green; width:520px" %)
471 -|(% 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]**
472 -|(% 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"]]
473 473  
474 -* (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
475 -* (% 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.
476 -* (% 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)
477 477  
478 478  
479 479  
484 +
485 +
480 480  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
481 481  
482 482  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -487,43 +487,8 @@
487 487  
488 488  AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
489 489  
490 -For example:
491 491  
492 -AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
493 493  
494 -
495 -Or use **downlink command A2** to set the same.
496 -
497 -The measuring range of the node is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
498 -
499 -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.
500 -
501 -[[image:image-20220628150112-1.png||height="241" width="285"]]
502 -
503 -
504 -When ADC_IN1 pin is connected to GND or suspended, ADC value is 0
505 -
506 -[[image:image-20220628150714-4.png]]
507 -
508 -
509 -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.
510 -
511 -1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
512 -
513 -[[image:image-20220628151005-5.png]]
514 -
515 -
516 -2) The maximum range is about 1.1V. Each chip has internal calibration, so this value is close to 1.1v
517 -
518 -[[image:image-20220628151056-6.png]]
519 -
520 -
521 -3) Within range
522 -
523 -[[image:image-20220628151143-7.png]]
524 -
525 -
526 -
527 527  == 2.5 Show data on Datacake ==
528 528  
529 529  (((
... ... @@ -583,14 +583,13 @@
583 583  
584 584  There are two methods:
585 585  
586 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
587 -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.
588 588  
589 -Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
590 590  
591 -[[image:image-20220703111700-2.png||height="381" width="1119"]]
592 592  
593 593  
563 +
594 594  === 2.6.2 Unix TimeStamp ===
595 595  
596 596  
... ... @@ -996,56 +996,28 @@
996 996  
997 997  == 2.7 Alarm Mode ==
998 998  
999 -(((
1000 1000  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.
1001 -)))
1002 1002  
1003 -(((
1004 1004  (% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
1005 -)))
1006 1006  
1007 -(((
1008 1008  **AT COMMAND FOR ALARM MODE:**
1009 -)))
1010 1010  
1011 1011  (% _mstvisible="1" class="box infomessage" %)
1012 1012  (((
1013 -(((
1014 1014  **AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1015 -)))
1016 1016  
1017 -(((
1018 1018  **AT+CITEMP=1**:  The interval between checking the alarm temperature. (In minutes)
1019 -)))
1020 1020  
1021 -(((
1022 1022  **AT+ARTEMP**:  Gets or sets the alarm range of the internal temperature sensor
1023 -)))
1024 1024  
1025 -(((
1026 1026  **AT+ARTEMP=？ **:  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1027 -)))
1028 1028  
1029 -(((
1030 1030  **AT+ARTEMP=45,105**:  Set the internal temperature sensor alarm range from 45 to 105.
1031 1031  )))
1032 -)))
1033 1033  
1034 -(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
1035 1035  
1036 -Total bytes: 8 bytes
1037 1037  
1038 -**Example:**AA0100010001003C
1039 1039  
1040 -WMOD=01
1041 -
1042 -CITEMP=0001
1043 -
1044 -TEMPlow=0001
1045 -
1046 -TEMPhigh=003C
1047 -
1048 -
1049 1049  == 2.8 LED Indicator ==
1050 1050  
1051 1051  The LHT65 has a triple color LED which for easy showing different stage .
... ... @@ -1055,7 +1055,7 @@
1055 1055  In a normal working state:
1056 1056  
1057 1057  * For each uplink, the BLUE LED or RED LED will blink once.
1058 -BLUE LED when external sensor is connected.
1000 + BLUE LED when external sensor is connected.
1059 1059  * RED LED when external sensor is not connected
1060 1060  * For each success downlink, the PURPLE LED will blink once
1061 1061  
... ... @@ -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  
... ... @@ -1111,48 +1111,26 @@
1111 1111  
1112 1112  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1113 1113  
1114 -(((
1115 1115  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1116 -)))
1117 1117  
1118 -* (((
1119 -AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1120 -)))
1042 +* AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1121 1121  
1122 -* (((
1123 -LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1124 -)))
1044 +* LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1125 1125  
1126 -(((
1127 1127  There are two kinds of commands to configure LHT65N, they are:
1128 -)))
1129 1129  
1130 -* (((
1131 -(% style="color:#4f81bd" %)**General Commands**.
1132 -)))
1048 +* (% style="color:#4f81bd" %)**General Commands**.
1133 1133  
1134 -(((
1135 1135  These commands are to configure:
1136 -)))
1137 1137  
1138 -1. (((
1139 -General system settings like: uplink interval.
1140 -)))
1141 -1. (((
1142 -LoRaWAN protocol & radio-related commands.
1143 -)))
1052 +1. General system settings like: uplink interval.
1053 +1. LoRaWAN protocol & radio-related commands.
1144 1144  
1145 -(((
1146 1146  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]]
1147 -)))
1148 1148  
1149 -* (((
1150 -(% style="color:#4f81bd" %)**Commands special design for LHT65N**
1151 -)))
1057 +* (% style="color:#4f81bd" %)**Commands special design for LHT65N**
1152 1152  
1153 -(((
1154 1154  These commands are only valid for LHT65N, as below:
1155 -)))
1156 1156  
1157 1157  
1158 1158  == 4.1 Set Transmit Interval Time ==
... ... @@ -1441,11 +1441,16 @@
1441 1441  
1442 1442  (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1443 1443  
1444 -* (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1445 -* (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1446 -* (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1447 -* (% 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(%%)**
1448 1448  
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 +
1449 1449  (((
1450 1450  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.
1451 1451  )))
... ... @@ -1754,59 +1754,7 @@
1754 1754  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1755 1755  
1756 1756  
1757 -== 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1758 1758  
1759 -[[image:image-20220623110706-1.png]]
1760 -
1761 -
1762 -[[image:image-20220623112117-4.png||height="459" width="343"]]
1763 -
1764 -(((
1765 -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.
1766 -)))
1767 -
1768 -
1769 -Input password and ATZ to activate LHT65N,As shown below:
1770 -
1771 -[[image:image-20220615154519-3.png||height="672" width="807"]]
1772 -
1773 -
1774 -== 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1775 -
1776 -[[image:image-20220623110706-1.png]]
1777 -
1778 -(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1779 -
1780 -[[image:image-20220615170542-5.png]]
1781 -
1782 -
1783 -(% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1784 -
1785 -(% _msthash="506146" _msttexthash="52173160" %)
1786 -First connect the four lines；
1787 -
1788 -(% _msthash="506146" _msttexthash="52173160" %)
1789 -[[image:image-20220623113959-5.png||height="528" width="397"]]
1790 -
1791 -(% _msthash="506146" _msttexthash="52173160" %)
1792 -Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1793 -
1794 -(% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1795 -
1796 -[[image:image-20220615171334-6.png]]
1797 -
1798 -
1799 -Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade.
1800 -
1801 -
1802 -When this interface appears, it indicates that the download has been completed.
1803 -
1804 -[[image:image-20220620160723-8.png]]
1805 -
1806 -
1807 -Finally,restart reset device again
1808 -
1809 -
1810 1810  = 7. Order Info =
1811 1811  
1812 1812  
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