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Last modified by Xiaoling on 2023/07/18 10:12
From version 189.1
edited by Bei Jinggeng
on 2022/07/06 13:48
Change comment: There is no comment for this version
To version 175.1
edited by Bei Jinggeng
on 2022/06/23 11:40
Change comment: Uploaded new attachment "image-20220623113959-5.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -60,6 +60,8 @@
60 60  
61 61  
62 62  
63 +
64 +
63 63  == 1.3 Specification ==
64 64  
65 65  
... ... @@ -86,6 +86,8 @@
86 86  
87 87  
88 88  
91 +
92 +
89 89  = 2. Connect LHT65N to IoT Server =
90 90  
91 91  == 2.1 How does LHT65N work? ==
... ... @@ -269,6 +269,7 @@
269 269  
270 270  
271 271  
276 +
272 272  === 2.4.1 Decoder in TTN V3 ===
273 273  
274 274  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.
... ... @@ -301,6 +301,7 @@
301 301  
302 302  
303 303  
309 +
304 304  === 2.4.3 Built-in Temperature ===
305 305  
306 306  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
... ... @@ -313,6 +313,7 @@
313 313  
314 314  
315 315  
322 +
316 316  === 2.4.4 Built-in Humidity ===
317 317  
318 318  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
... ... @@ -321,6 +321,7 @@
321 321  
322 322  
323 323  
331 +
324 324  === 2.4.5 Ext # ===
325 325  
326 326  Bytes for External Sensor:
... ... @@ -475,6 +475,7 @@
475 475  
476 476  
477 477  
486 +
478 478  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
479 479  
480 480  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -485,43 +485,8 @@
485 485  
486 486  AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
487 487  
488 -For example:
489 489  
490 -AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
491 491  
492 -
493 -Or use **downlink command A2** to set the same.
494 -
495 -The measuring range of the node is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
496 -
497 -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.
498 -
499 -[[image:image-20220628150112-1.png||height="241" width="285"]]
500 -
501 -
502 -When ADC_IN1 pin is connected to GND or suspended, ADC value is 0
503 -
504 -[[image:image-20220628150714-4.png]]
505 -
506 -
507 -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.
508 -
509 -1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
510 -
511 -[[image:image-20220628151005-5.png]]
512 -
513 -
514 -2) The maximum range is about 1.1V. Each chip has internal calibration, so this value is close to 1.1v
515 -
516 -[[image:image-20220628151056-6.png]]
517 -
518 -
519 -3) Within range
520 -
521 -[[image:image-20220628151143-7.png]]
522 -
523 -
524 -
525 525  == 2.5 Show data on Datacake ==
526 526  
527 527  (((
... ... @@ -581,12 +581,10 @@
581 581  
582 582  There are two methods:
583 583  
584 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
585 -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.
558 +1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
559 +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.
586 586  
587 -Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
588 588  
589 -[[image:image-20220703111700-2.png||height="381" width="1119"]]
590 590  
591 591  
592 592  === 2.6.2 Unix TimeStamp ===
... ... @@ -1029,21 +1029,8 @@
1029 1029  )))
1030 1030  )))
1031 1031  
1032 -(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
1033 1033  
1034 -Total bytes: 8 bytes
1035 1035  
1036 -**Example:**AA0100010001003C
1037 -
1038 -WMOD=01
1039 -
1040 -CITEMP=0001
1041 -
1042 -TEMPlow=0001
1043 -
1044 -TEMPhigh=003C
1045 -
1046 -
1047 1047  == 2.8 LED Indicator ==
1048 1048  
1049 1049  The LHT65 has a triple color LED which for easy showing different stage .
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1059 1059  
1060 1060  
1061 1061  
1021 +
1062 1062  == 2.9 installation ==
1063 1063  
1064 1064  (% _mstvisible="1" %)
... ... @@ -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:**
1035 +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  
... ... @@ -1111,6 +1111,7 @@
1111 1111  
1112 1112  
1113 1113  
1058 +
1114 1114  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1115 1115  
1116 1116  (((
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1178 1178  
1179 1179  
1180 1180  
1126 +
1181 1181  == 4.2 Set External Sensor Mode ==
1182 1182  
1183 1183  Feature: Change External Sensor Mode.
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1201 1201  
1202 1202  
1203 1203  
1150 +
1204 1204  == 4.3 Enable/Disable uplink Temperature probe ID ==
1205 1205  
1206 1206  (((
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1230 1230  
1231 1231  
1232 1232  
1180 +
1233 1233  == 4.4 Set Password ==
1234 1234  
1235 1235  Feature: Set device password, max 9 digits
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1278 1278  
1279 1279  
1280 1280  
1229 +
1281 1281  == 4.7 Set system time ==
1282 1282  
1283 1283  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
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1376 1376  
1377 1377  
1378 1378  
1328 +
1379 1379  == 4.13 Auto Send None-ACK messages ==
1380 1380  
1381 1381  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
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1396 1396  
1397 1397  
1398 1398  
1349 +
1399 1399  = 5. Battery & How to replace =
1400 1400  
1401 1401  == 5.1 Battery Type ==
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1768 1768  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1769 1769  
1770 1770  
1771 -== 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1772 1772  
1773 -[[image:image-20220623110706-1.png]]
1774 -
1775 -
1776 -[[image:image-20220623112117-4.png||height="459" width="343"]]
1777 -
1778 -(((
1779 -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.
1780 -)))
1781 -
1782 -
1783 -Input password and ATZ to activate LHT65N,As shown below:
1784 -
1785 -[[image:image-20220615154519-3.png||height="672" width="807"]]
1786 -
1787 -
1788 -== 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1789 -
1790 -[[image:image-20220623110706-1.png]]
1791 -
1792 -(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1793 -
1794 -[[image:image-20220615170542-5.png]]
1795 -
1796 -
1797 -(% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1798 -
1799 -(% _msthash="506146" _msttexthash="52173160" %)
1800 -First connect the four lines；
1801 -
1802 -(% _msthash="506146" _msttexthash="52173160" %)
1803 -[[image:image-20220623113959-5.png||height="528" width="397"]]
1804 -
1805 -(% _msthash="506146" _msttexthash="52173160" %)
1806 -Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1807 -
1808 -(% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1809 -
1810 -[[image:image-20220615171334-6.png]]
1811 -
1812 -
1813 -Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade.
1814 -
1815 -
1816 -When this interface appears, it indicates that the download has been completed.
1817 -
1818 -[[image:image-20220620160723-8.png]]
1819 -
1820 -
1821 -Finally,restart reset device again
1822 -
1823 -
1824 1824  = 7. Order Info =
1825 1825  
1826 1826  
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1850 1850  
1851 1851  
1852 1852  
1752 +
1853 1853  = 8. Packing Info =
1854 1854  
1855 1855  
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1865 1865  
1866 1866  
1867 1867  
1768 +
1868 1868  = 9. Reference material =
1869 1869  
1870 1870  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
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1871 1871  
1872 1872  
1873 1873  
1775 +
1874 1874  = 10. FCC Warning =
1875 1875  
1876 1876  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
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