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Last modified by Xiaoling on 2023/07/18 10:12
From version 189.2
edited by Xiaoling
on 2022/07/22 10:33
Change comment: There is no comment for this version
To version 170.32
edited by Xiaoling
on 2022/06/22 11:23
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? ==
... ... @@ -263,6 +263,10 @@
263 263  * The 7th byte (EXT #): defines the external sensor model.
264 264  * 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.)
265 265  
268 +
269 +
270 +
271 +
266 266  === 2.4.1 Decoder in TTN V3 ===
267 267  
268 268  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.
... ... @@ -293,6 +293,10 @@
293 293  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
294 294  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
295 295  
302 +
303 +
304 +
305 +
296 296  === 2.4.3 Built-in Temperature ===
297 297  
298 298  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
... ... @@ -306,6 +306,7 @@
306 306  
307 307  
308 308  
319 +
309 309  === 2.4.4 Built-in Humidity ===
310 310  
311 311  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
... ... @@ -315,6 +315,7 @@
315 315  
316 316  
317 317  
329 +
318 318  === 2.4.5 Ext # ===
319 319  
320 320  Bytes for External Sensor:
... ... @@ -461,16 +461,16 @@
461 461  
462 462  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
463 463  
464 -(% border="1" cellspacing="8" style="background-color:#ffffcc; color:green; width:520px" %)
465 -|(% 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]**
466 -|(% 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"]]
467 467  
468 -* (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
469 -* (% 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.
470 -* (% 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)
471 471  
472 472  
473 473  
484 +
485 +
474 474  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
475 475  
476 476  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -481,43 +481,8 @@
481 481  
482 482  AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
483 483  
484 -For example:
485 485  
486 -AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
487 487  
488 -
489 -Or use **downlink command A2** to set the same.
490 -
491 -The measuring range of the node is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
492 -
493 -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.
494 -
495 -[[image:image-20220628150112-1.png||height="241" width="285"]]
496 -
497 -
498 -When ADC_IN1 pin is connected to GND or suspended, ADC value is 0
499 -
500 -[[image:image-20220628150714-4.png]]
501 -
502 -
503 -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.
504 -
505 -1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
506 -
507 -[[image:image-20220628151005-5.png]]
508 -
509 -
510 -2) The maximum range is about 1.1V. Each chip has internal calibration, so this value is close to 1.1v
511 -
512 -[[image:image-20220628151056-6.png]]
513 -
514 -
515 -3) Within range
516 -
517 -[[image:image-20220628151143-7.png]]
518 -
519 -
520 -
521 521  == 2.5 Show data on Datacake ==
522 522  
523 523  (((
... ... @@ -577,14 +577,13 @@
577 577  
578 578  There are two methods:
579 579  
580 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
581 -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.
582 582  
583 -Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
584 584  
585 -[[image:image-20220703111700-2.png||height="381" width="1119"]]
586 586  
587 587  
563 +
588 588  === 2.6.2 Unix TimeStamp ===
589 589  
590 590  
... ... @@ -1025,21 +1025,9 @@
1025 1025  )))
1026 1026  )))
1027 1027  
1028 -(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
1029 1029  
1030 -Total bytes: 8 bytes
1031 1031  
1032 -**Example:**AA0100010001003C
1033 1033  
1034 -WMOD=01
1035 -
1036 -CITEMP=0001
1037 -
1038 -TEMPlow=0001
1039 -
1040 -TEMPhigh=003C
1041 -
1042 -
1043 1043  == 2.8 LED Indicator ==
1044 1044  
1045 1045  The LHT65 has a triple color LED which for easy showing different stage .
... ... @@ -1053,6 +1053,10 @@
1053 1053  * RED LED when external sensor is not connected
1054 1054  * For each success downlink, the PURPLE LED will blink once
1055 1055  
1020 +
1021 +
1022 +
1023 +
1056 1056  == 2.9 installation ==
1057 1057  
1058 1058  (% _mstvisible="1" %)
... ... @@ -1066,24 +1066,8 @@
1066 1066  
1067 1067  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1068 1068  
1069 -**1m long breakout cable for LHT65N. Features:**
1037 +1m long breakout cable for LHT65N
1070 1070  
1071 -* (((
1072 -Use for AT Command， works for both LHT52/LHT65N
1073 -)))
1074 -* (((
1075 -Update firmware for LHT65N, works for both LHT52/LHT65N
1076 -)))
1077 -* (((
1078 -Supports ADC mode to monitor external ADC
1079 -)))
1080 -* (((
1081 -Supports Interrupt mode
1082 -)))
1083 -* (((
1084 -Exposed All pins from the LHT65N Type-C connector.
1085 -)))
1086 -
1087 1087  [[image:image-20220619092421-3.png||height="371" width="529"]]
1088 1088  
1089 1089  
... ... @@ -1105,48 +1105,26 @@
1105 1105  
1106 1106  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1107 1107  
1108 -(((
1109 1109  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1110 -)))
1111 1111  
1112 -* (((
1113 -AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1114 -)))
1062 +* AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1115 1115  
1116 -* (((
1117 -LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1118 -)))
1064 +* LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1119 1119  
1120 -(((
1121 1121  There are two kinds of commands to configure LHT65N, they are:
1122 -)))
1123 1123  
1124 -* (((
1125 -(% style="color:#4f81bd" %)**General Commands**.
1126 -)))
1068 +* (% style="color:#4f81bd" %)**General Commands**.
1127 1127  
1128 -(((
1129 1129  These commands are to configure:
1130 -)))
1131 1131  
1132 -1. (((
1133 -General system settings like: uplink interval.
1134 -)))
1135 -1. (((
1136 -LoRaWAN protocol & radio-related commands.
1137 -)))
1072 +1. General system settings like: uplink interval.
1073 +1. LoRaWAN protocol & radio-related commands.
1138 1138  
1139 -(((
1140 1140  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]]
1141 -)))
1142 1142  
1143 -* (((
1144 -(% style="color:#4f81bd" %)**Commands special design for LHT65N**
1145 -)))
1077 +* (% style="color:#4f81bd" %)**Commands special design for LHT65N**
1146 1146  
1147 -(((
1148 1148  These commands are only valid for LHT65N, as below:
1149 -)))
1150 1150  
1151 1151  
1152 1152  == 4.1 Set Transmit Interval Time ==
... ... @@ -1435,11 +1435,16 @@
1435 1435  
1436 1436  (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1437 1437  
1438 -* (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1439 -* (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1440 -* (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1441 -* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1368 +(% _msthash="506062" _msttexthash="1187732" %)
1369 +**✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1442 1442  
1371 +(% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1372 +
1373 +(% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1374 +
1375 +(% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1376 +
1377 +
1443 1443  (((
1444 1444  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.
1445 1445  )))
... ... @@ -1748,59 +1748,7 @@
1748 1748  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1749 1749  
1750 1750  
1751 -== 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1752 1752  
1753 -[[image:image-20220623110706-1.png]]
1754 -
1755 -
1756 -[[image:image-20220623112117-4.png||height="459" width="343"]]
1757 -
1758 -(((
1759 -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.
1760 -)))
1761 -
1762 -
1763 -Input password and ATZ to activate LHT65N,As shown below:
1764 -
1765 -[[image:image-20220615154519-3.png||height="672" width="807"]]
1766 -
1767 -
1768 -== 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1769 -
1770 -[[image:image-20220623110706-1.png]]
1771 -
1772 -(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1773 -
1774 -[[image:image-20220615170542-5.png]]
1775 -
1776 -
1777 -(% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1778 -
1779 -(% _msthash="506146" _msttexthash="52173160" %)
1780 -First connect the four lines；
1781 -
1782 -(% _msthash="506146" _msttexthash="52173160" %)
1783 -[[image:image-20220623113959-5.png||height="528" width="397"]]
1784 -
1785 -(% _msthash="506146" _msttexthash="52173160" %)
1786 -Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1787 -
1788 -(% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1789 -
1790 -[[image:image-20220615171334-6.png]]
1791 -
1792 -
1793 -Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade.
1794 -
1795 -
1796 -When this interface appears, it indicates that the download has been completed.
1797 -
1798 -[[image:image-20220620160723-8.png]]
1799 -
1800 -
1801 -Finally,restart reset device again
1802 -
1803 -
1804 1804  = 7. Order Info =
1805 1805  
1806 1806  
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