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Last modified by Xiaoling on 2023/07/18 10:12
From version 185.4
edited by Xiaoling
on 2022/06/29 14:02
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
Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
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274 274  
275 275  
276 276  
277 -
278 278  === 2.4.1 Decoder in TTN V3 ===
279 279  
280 280  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.
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308 308  
309 309  
310 310  
311 -
312 312  === 2.4.3 Built-in Temperature ===
313 313  
314 314  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
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322 322  
323 323  
324 324  
325 -
326 326  === 2.4.4 Built-in Humidity ===
327 327  
328 328  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
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332 332  
333 333  
334 334  
335 -
336 336  === 2.4.5 Ext # ===
337 337  
338 338  Bytes for External Sensor:
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488 488  
489 489  
490 490  
491 -
492 492  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
493 493  
494 494  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
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499 499  
500 500  AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
501 501  
502 -For example:
503 503  
504 -AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
505 505  
506 -
507 -Or use **downlink command A2** to set the same.
508 -
509 -The measuring range of the node is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
510 -
511 -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.
512 -
513 -[[image:image-20220628150112-1.png||height="241" width="285"]]
514 -
515 -
516 -When ADC_IN1 pin is connected to GND or suspended, ADC value is 0
517 -
518 -[[image:image-20220628150714-4.png]]
519 -
520 -
521 -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.
522 -
523 -1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
524 -
525 -[[image:image-20220628151005-5.png]]
526 -
527 -
528 -2) The maximum range is about 1.1V. Each chip has internal calibration, so this value is close to 1.1v
529 -
530 -[[image:image-20220628151056-6.png]]
531 -
532 -
533 -3) Within range
534 -
535 -[[image:image-20220628151143-7.png]]
536 -
537 -
538 -
539 539  == 2.5 Show data on Datacake ==
540 540  
541 541  (((
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601 601  
602 602  
603 603  
604 -
605 605  === 2.6.2 Unix TimeStamp ===
606 606  
607 607  
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1060 1060  
1061 1061  
1062 1062  
1063 -
1064 1064  == 2.9 installation ==
1065 1065  
1066 1066  (% _mstvisible="1" %)
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1074 1074  
1075 1075  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1076 1076  
1077 -**1m long breakout cable for LHT65N. Features:**
1035 +1m long breakout cable for LHT65N
1078 1078  
1079 -* (((
1080 -Use for AT Command， works for both LHT52/LHT65N
1081 -)))
1082 -* (((
1083 -Update firmware for LHT65N, works for both LHT52/LHT65N
1084 -)))
1085 -* (((
1086 -Supports ADC mode to monitor external ADC
1087 -)))
1088 -* (((
1089 -Supports Interrupt mode
1090 -)))
1091 -* (((
1092 -Exposed All pins from the LHT65N Type-C connector.
1093 -)))
1094 -
1095 1095  [[image:image-20220619092421-3.png||height="371" width="529"]]
1096 1096  
1097 1097  
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1114 1114  
1115 1115  
1116 1116  
1117 -
1118 1118  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1119 1119  
1120 1120  (((
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1183 1183  
1184 1184  
1185 1185  
1186 -
1187 1187  == 4.2 Set External Sensor Mode ==
1188 1188  
1189 1189  Feature: Change External Sensor Mode.
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1208 1208  
1209 1209  
1210 1210  
1211 -
1212 1212  == 4.3 Enable/Disable uplink Temperature probe ID ==
1213 1213  
1214 1214  (((
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1239 1239  
1240 1240  
1241 1241  
1242 -
1243 1243  == 4.4 Set Password ==
1244 1244  
1245 1245  Feature: Set device password, max 9 digits
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1289 1289  
1290 1290  
1291 1291  
1292 -
1293 1293  == 4.7 Set system time ==
1294 1294  
1295 1295  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
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1389 1389  
1390 1390  
1391 1391  
1392 -
1393 1393  == 4.13 Auto Send None-ACK messages ==
1394 1394  
1395 1395  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
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1411 1411  
1412 1412  
1413 1413  
1414 -
1415 1415  = 5. Battery & How to replace =
1416 1416  
1417 1417  == 5.1 Battery Type ==
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1784 1784  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1785 1785  
1786 1786  
1787 -== 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1788 1788  
1789 -[[image:image-20220623110706-1.png]]
1790 -
1791 -
1792 -[[image:image-20220623112117-4.png||height="459" width="343"]]
1793 -
1794 -(((
1795 -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.
1796 -)))
1797 -
1798 -
1799 -Input password and ATZ to activate LHT65N,As shown below:
1800 -
1801 -[[image:image-20220615154519-3.png||height="672" width="807"]]
1802 -
1803 -
1804 -== 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1805 -
1806 -[[image:image-20220623110706-1.png]]
1807 -
1808 -(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1809 -
1810 -[[image:image-20220615170542-5.png]]
1811 -
1812 -
1813 -(% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1814 -
1815 -(% _msthash="506146" _msttexthash="52173160" %)
1816 -First connect the four lines；
1817 -
1818 -(% _msthash="506146" _msttexthash="52173160" %)
1819 -[[image:image-20220623113959-5.png||height="528" width="397"]]
1820 -
1821 -(% _msthash="506146" _msttexthash="52173160" %)
1822 -Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1823 -
1824 -(% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1825 -
1826 -[[image:image-20220615171334-6.png]]
1827 -
1828 -
1829 -Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade.
1830 -
1831 -
1832 -When this interface appears, it indicates that the download has been completed.
1833 -
1834 -[[image:image-20220620160723-8.png]]
1835 -
1836 -
1837 -Finally,restart reset device again
1838 -
1839 -
1840 1840  = 7. Order Info =
1841 1841  
1842 1842  
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1867 1867  
1868 1868  
1869 1869  
1870 -
1871 1871  = 8. Packing Info =
1872 1872  
1873 1873  
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1884 1884  
1885 1885  
1886 1886  
1887 -
1888 1888  = 9. Reference material =
1889 1889  
1890 1890  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
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1892 1892  
1893 1893  
1894 1894  
1895 -
1896 1896  = 10. FCC Warning =
1897 1897  
1898 1898  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
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