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Last modified by Xiaoling on 2023/07/18 10:12
From version 185.3
edited by Xiaoling
on 2022/06/29 13:58
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? ==
... ... @@ -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"]]
... ... @@ -303,6 +303,10 @@
303 303  
304 304  * Temperature:  (0xF5C6-65536)/100=-26.18℃
305 305  
316 +
317 +
318 +
319 +
306 306  === 2.4.4 Built-in Humidity ===
307 307  
308 308  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
... ... @@ -309,6 +309,10 @@
309 309  
310 310  * Humidity:    0x025C/10=60.4%
311 311  
326 +
327 +
328 +
329 +
312 312  === 2.4.5 Ext # ===
313 313  
314 314  Bytes for External Sensor:
... ... @@ -461,6 +461,10 @@
461 461  * 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.
462 462  * 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)
463 463  
482 +
483 +
484 +
485 +
464 464  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
465 465  
466 466  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -471,42 +471,8 @@
471 471  
472 472  AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
473 473  
474 -For example:
475 475  
476 -AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
477 477  
478 -
479 -Or use **downlink command A2** to set the same.
480 -
481 -The measuring range of the node is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
482 -
483 -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.
484 -
485 -[[image:image-20220628150112-1.png||height="241" width="285"]]
486 -
487 -
488 -When ADC_IN1 pin is connected to GND or suspended, ADC value is 0
489 -
490 -[[image:image-20220628150714-4.png]]
491 -
492 -
493 -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.
494 -
495 -1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
496 -
497 -[[image:image-20220628151005-5.png]]
498 -
499 -
500 -2) The maximum range is about 1.1V. Each chip has internal calibration, so this value is close to 1.1v
501 -
502 -[[image:image-20220628151056-6.png]]
503 -
504 -
505 -3) Within range
506 -
507 -[[image:image-20220628151143-7.png]]
508 -
509 -
510 510  == 2.5 Show data on Datacake ==
511 511  
512 512  (((
... ... @@ -569,6 +569,10 @@
569 569  1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
570 570  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.
571 571  
560 +
561 +
562 +
563 +
572 572  === 2.6.2 Unix TimeStamp ===
573 573  
574 574  
... ... @@ -974,43 +974,28 @@
974 974  
975 975  == 2.7 Alarm Mode ==
976 976  
977 -(((
978 978  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.
979 -)))
980 980  
981 -(((
982 982  (% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
983 -)))
984 984  
985 -(((
986 986  **AT COMMAND FOR ALARM MODE:**
987 -)))
988 988  
989 989  (% _mstvisible="1" class="box infomessage" %)
990 990  (((
991 -(((
992 992  **AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
993 -)))
994 994  
995 -(((
996 996  **AT+CITEMP=1**:  The interval between checking the alarm temperature. (In minutes)
997 -)))
998 998  
999 -(((
1000 1000  **AT+ARTEMP**:  Gets or sets the alarm range of the internal temperature sensor
1001 -)))
1002 1002  
1003 -(((
1004 1004  **AT+ARTEMP=？ **:  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1005 -)))
1006 1006  
1007 -(((
1008 1008  **AT+ARTEMP=45,105**:  Set the internal temperature sensor alarm range from 45 to 105.
1009 1009  )))
1010 -)))
1011 1011  
1012 1012  
1013 1013  
990 +
1014 1014  == 2.8 LED Indicator ==
1015 1015  
1016 1016  The LHT65 has a triple color LED which for easy showing different stage .
... ... @@ -1020,7 +1020,7 @@
1020 1020  In a normal working state:
1021 1021  
1022 1022  * For each uplink, the BLUE LED or RED LED will blink once.
1023 -BLUE LED when external sensor is connected.
1000 + BLUE LED when external sensor is connected.
1024 1024  * RED LED when external sensor is not connected
1025 1025  * For each success downlink, the PURPLE LED will blink once
1026 1026  
... ... @@ -1037,24 +1037,8 @@
1037 1037  
1038 1038  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1039 1039  
1040 -**1m long breakout cable for LHT65N. Features:**
1017 +1m long breakout cable for LHT65N
1041 1041  
1042 -* (((
1043 -Use for AT Command， works for both LHT52/LHT65N
1044 -)))
1045 -* (((
1046 -Update firmware for LHT65N, works for both LHT52/LHT65N
1047 -)))
1048 -* (((
1049 -Supports ADC mode to monitor external ADC
1050 -)))
1051 -* (((
1052 -Supports Interrupt mode
1053 -)))
1054 -* (((
1055 -Exposed All pins from the LHT65N Type-C connector.
1056 -)))
1057 -
1058 1058  [[image:image-20220619092421-3.png||height="371" width="529"]]
1059 1059  
1060 1060  
... ... @@ -1076,48 +1076,26 @@
1076 1076  
1077 1077  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1078 1078  
1079 -(((
1080 1080  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1081 -)))
1082 1082  
1083 -* (((
1084 -AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1085 -)))
1042 +* AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1086 1086  
1087 -* (((
1088 -LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1089 -)))
1044 +* LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1090 1090  
1091 -(((
1092 1092  There are two kinds of commands to configure LHT65N, they are:
1093 -)))
1094 1094  
1095 -* (((
1096 -(% style="color:#4f81bd" %)**General Commands**.
1097 -)))
1048 +* (% style="color:#4f81bd" %)**General Commands**.
1098 1098  
1099 -(((
1100 1100  These commands are to configure:
1101 -)))
1102 1102  
1103 -1. (((
1104 -General system settings like: uplink interval.
1105 -)))
1106 -1. (((
1107 -LoRaWAN protocol & radio-related commands.
1108 -)))
1052 +1. General system settings like: uplink interval.
1053 +1. LoRaWAN protocol & radio-related commands.
1109 1109  
1110 -(((
1111 1111  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]]
1112 -)))
1113 1113  
1114 -* (((
1115 -(% style="color:#4f81bd" %)**Commands special design for LHT65N**
1116 -)))
1057 +* (% style="color:#4f81bd" %)**Commands special design for LHT65N**
1117 1117  
1118 -(((
1119 1119  These commands are only valid for LHT65N, as below:
1120 -)))
1121 1121  
1122 1122  
1123 1123  == 4.1 Set Transmit Interval Time ==
... ... @@ -1406,11 +1406,16 @@
1406 1406  
1407 1407  (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1408 1408  
1409 -* (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1410 -* (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1411 -* (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1412 -* (% 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(%%)**
1413 1413  
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 +
1414 1414  (((
1415 1415  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.
1416 1416  )))
... ... @@ -1719,59 +1719,7 @@
1719 1719  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1720 1720  
1721 1721  
1722 -== 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1723 1723  
1724 -[[image:image-20220623110706-1.png]]
1725 -
1726 -
1727 -[[image:image-20220623112117-4.png||height="459" width="343"]]
1728 -
1729 -(((
1730 -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.
1731 -)))
1732 -
1733 -
1734 -Input password and ATZ to activate LHT65N,As shown below:
1735 -
1736 -[[image:image-20220615154519-3.png||height="672" width="807"]]
1737 -
1738 -
1739 -== 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1740 -
1741 -[[image:image-20220623110706-1.png]]
1742 -
1743 -(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1744 -
1745 -[[image:image-20220615170542-5.png]]
1746 -
1747 -
1748 -(% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1749 -
1750 -(% _msthash="506146" _msttexthash="52173160" %)
1751 -First connect the four lines；
1752 -
1753 -(% _msthash="506146" _msttexthash="52173160" %)
1754 -[[image:image-20220623113959-5.png||height="528" width="397"]]
1755 -
1756 -(% _msthash="506146" _msttexthash="52173160" %)
1757 -Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1758 -
1759 -(% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1760 -
1761 -[[image:image-20220615171334-6.png]]
1762 -
1763 -
1764 -Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade.
1765 -
1766 -
1767 -When this interface appears, it indicates that the download has been completed.
1768 -
1769 -[[image:image-20220620160723-8.png]]
1770 -
1771 -
1772 -Finally,restart reset device again
1773 -
1774 -
1775 1775  = 7. Order Info =
1776 1776  
1777 1777  
... ... @@ -1799,10 +1799,6 @@
1799 1799  
1800 1800  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1801 1801  
1802 -
1803 -
1804 -
1805 -
1806 1806  = 8. Packing Info =
1807 1807  
1808 1808  
... ... @@ -1816,18 +1816,10 @@
1816 1816  * Device Size:  10 x 10 x 3.5 cm
1817 1817  * Device Weight: 120.5g
1818 1818  
1819 -
1820 -
1821 -
1822 -
1823 1823  = 9. Reference material =
1824 1824  
1825 1825  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1826 1826  
1827 -
1828 -
1829 -
1830 -
1831 1831  = 10. FCC Warning =
1832 1832  
1833 1833  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
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