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Last modified by Xiaoling on 2023/07/18 10:12
From version 189.4
edited by Xiaoling
on 2022/07/22 10:34
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? ==
... ... @@ -160,10 +160,9 @@
160 160  [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
161 161  
162 162  
165 +Note: LHT65N use same payload as LHT65.
163 163  
164 -(% style="color:red" %)**Note: LHT65N use same payload as LHT65.**
165 165  
166 -
167 167  [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
168 168  
169 169  
... ... @@ -266,6 +266,8 @@
266 266  
267 267  
268 268  
270 +
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.
... ... @@ -298,6 +298,8 @@
298 298  
299 299  
300 300  
304 +
305 +
301 301  === 2.4.3 Built-in Temperature ===
302 302  
303 303  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
... ... @@ -310,6 +310,8 @@
310 310  
311 311  
312 312  
318 +
319 +
313 313  === 2.4.4 Built-in Humidity ===
314 314  
315 315  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
... ... @@ -318,6 +318,8 @@
318 318  
319 319  
320 320  
328 +
329 +
321 321  === 2.4.5 Ext # ===
322 322  
323 323  Bytes for External Sensor:
... ... @@ -464,15 +464,16 @@
464 464  
465 465  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
466 466  
467 -(% border="1" cellspacing="8" style="background-color:#ffffcc; color:green; width:520px" %)
468 -|(% 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]**
469 -|(% 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"]]
470 470  
471 -* (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
472 -* (% 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.
473 -* (% 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)
474 474  
475 475  
483 +
484 +
485 +
476 476  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
477 477  
478 478  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -483,43 +483,8 @@
483 483  
484 484  AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
485 485  
486 -For example:
487 487  
488 -AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
489 489  
490 -
491 -Or use **downlink command A2** to set the same.
492 -
493 -The measuring range of the node is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
494 -
495 -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.
496 -
497 -[[image:image-20220628150112-1.png||height="241" width="285"]]
498 -
499 -
500 -When ADC_IN1 pin is connected to GND or suspended, ADC value is 0
501 -
502 -[[image:image-20220628150714-4.png]]
503 -
504 -
505 -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.
506 -
507 -1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
508 -
509 -[[image:image-20220628151005-5.png]]
510 -
511 -
512 -2) The maximum range is about 1.1V. Each chip has internal calibration, so this value is close to 1.1v
513 -
514 -[[image:image-20220628151056-6.png]]
515 -
516 -
517 -3) Within range
518 -
519 -[[image:image-20220628151143-7.png]]
520 -
521 -
522 -
523 523  == 2.5 Show data on Datacake ==
524 524  
525 525  (((
... ... @@ -579,14 +579,13 @@
579 579  
580 580  There are two methods:
581 581  
582 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
583 -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.
584 584  
585 -Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
586 586  
587 -[[image:image-20220703111700-2.png||height="381" width="1119"]]
588 588  
589 589  
563 +
590 590  === 2.6.2 Unix TimeStamp ===
591 591  
592 592  
... ... @@ -992,56 +992,28 @@
992 992  
993 993  == 2.7 Alarm Mode ==
994 994  
995 -(((
996 996  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.
997 -)))
998 998  
999 -(((
1000 1000  (% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
1001 -)))
1002 1002  
1003 -(((
1004 1004  **AT COMMAND FOR ALARM MODE:**
1005 -)))
1006 1006  
1007 1007  (% _mstvisible="1" class="box infomessage" %)
1008 1008  (((
1009 -(((
1010 1010  **AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1011 -)))
1012 1012  
1013 -(((
1014 1014  **AT+CITEMP=1**:  The interval between checking the alarm temperature. (In minutes)
1015 -)))
1016 1016  
1017 -(((
1018 1018  **AT+ARTEMP**:  Gets or sets the alarm range of the internal temperature sensor
1019 -)))
1020 1020  
1021 -(((
1022 1022  **AT+ARTEMP=？ **:  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1023 -)))
1024 1024  
1025 -(((
1026 1026  **AT+ARTEMP=45,105**:  Set the internal temperature sensor alarm range from 45 to 105.
1027 1027  )))
1028 -)))
1029 1029  
1030 -(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
1031 1031  
1032 -Total bytes: 8 bytes
1033 1033  
1034 -**Example:**AA0100010001003C
1035 1035  
1036 -WMOD=01
1037 -
1038 -CITEMP=0001
1039 -
1040 -TEMPlow=0001
1041 -
1042 -TEMPhigh=003C
1043 -
1044 -
1045 1045  == 2.8 LED Indicator ==
1046 1046  
1047 1047  The LHT65 has a triple color LED which for easy showing different stage .
... ... @@ -1051,7 +1051,7 @@
1051 1051  In a normal working state:
1052 1052  
1053 1053  * For each uplink, the BLUE LED or RED LED will blink once.
1054 -BLUE LED when external sensor is connected.
1000 + BLUE LED when external sensor is connected.
1055 1055  * RED LED when external sensor is not connected
1056 1056  * For each success downlink, the PURPLE LED will blink once
1057 1057  
... ... @@ -1068,24 +1068,8 @@
1068 1068  
1069 1069  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1070 1070  
1071 -**1m long breakout cable for LHT65N. Features:**
1017 +1m long breakout cable for LHT65N
1072 1072  
1073 -* (((
1074 -Use for AT Command， works for both LHT52/LHT65N
1075 -)))
1076 -* (((
1077 -Update firmware for LHT65N, works for both LHT52/LHT65N
1078 -)))
1079 -* (((
1080 -Supports ADC mode to monitor external ADC
1081 -)))
1082 -* (((
1083 -Supports Interrupt mode
1084 -)))
1085 -* (((
1086 -Exposed All pins from the LHT65N Type-C connector.
1087 -)))
1088 -
1089 1089  [[image:image-20220619092421-3.png||height="371" width="529"]]
1090 1090  
1091 1091  
... ... @@ -1107,48 +1107,26 @@
1107 1107  
1108 1108  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1109 1109  
1110 -(((
1111 1111  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1112 -)))
1113 1113  
1114 -* (((
1115 -AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1116 -)))
1042 +* AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1117 1117  
1118 -* (((
1119 -LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1120 -)))
1044 +* LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1121 1121  
1122 -(((
1123 1123  There are two kinds of commands to configure LHT65N, they are:
1124 -)))
1125 1125  
1126 -* (((
1127 -(% style="color:#4f81bd" %)**General Commands**.
1128 -)))
1048 +* (% style="color:#4f81bd" %)**General Commands**.
1129 1129  
1130 -(((
1131 1131  These commands are to configure:
1132 -)))
1133 1133  
1134 -1. (((
1135 -General system settings like: uplink interval.
1136 -)))
1137 -1. (((
1138 -LoRaWAN protocol & radio-related commands.
1139 -)))
1052 +1. General system settings like: uplink interval.
1053 +1. LoRaWAN protocol & radio-related commands.
1140 1140  
1141 -(((
1142 1142  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]]
1143 -)))
1144 1144  
1145 -* (((
1146 -(% style="color:#4f81bd" %)**Commands special design for LHT65N**
1147 -)))
1057 +* (% style="color:#4f81bd" %)**Commands special design for LHT65N**
1148 1148  
1149 -(((
1150 1150  These commands are only valid for LHT65N, as below:
1151 -)))
1152 1152  
1153 1153  
1154 1154  == 4.1 Set Transmit Interval Time ==
... ... @@ -1437,11 +1437,16 @@
1437 1437  
1438 1438  (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1439 1439  
1440 -* (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1441 -* (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1442 -* (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1443 -* (% 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(%%)**
1444 1444  
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 +
1445 1445  (((
1446 1446  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.
1447 1447  )))
... ... @@ -1750,59 +1750,7 @@
1750 1750  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1751 1751  
1752 1752  
1753 -== 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1754 1754  
1755 -[[image:image-20220623110706-1.png]]
1756 -
1757 -
1758 -[[image:image-20220623112117-4.png||height="459" width="343"]]
1759 -
1760 -(((
1761 -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.
1762 -)))
1763 -
1764 -
1765 -Input password and ATZ to activate LHT65N,As shown below:
1766 -
1767 -[[image:image-20220615154519-3.png||height="672" width="807"]]
1768 -
1769 -
1770 -== 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1771 -
1772 -[[image:image-20220623110706-1.png]]
1773 -
1774 -(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1775 -
1776 -[[image:image-20220615170542-5.png]]
1777 -
1778 -
1779 -(% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1780 -
1781 -(% _msthash="506146" _msttexthash="52173160" %)
1782 -First connect the four lines；
1783 -
1784 -(% _msthash="506146" _msttexthash="52173160" %)
1785 -[[image:image-20220623113959-5.png||height="528" width="397"]]
1786 -
1787 -(% _msthash="506146" _msttexthash="52173160" %)
1788 -Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1789 -
1790 -(% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1791 -
1792 -[[image:image-20220615171334-6.png]]
1793 -
1794 -
1795 -Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade.
1796 -
1797 -
1798 -When this interface appears, it indicates that the download has been completed.
1799 -
1800 -[[image:image-20220620160723-8.png]]
1801 -
1802 -
1803 -Finally,restart reset device again
1804 -
1805 -
1806 1806  = 7. Order Info =
1807 1807  
1808 1808  
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