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Last modified by Xiaoling on 2023/07/18 10:12
From version 175.1
edited by Bei Jinggeng
on 2022/06/23 11:40
Change comment: Uploaded new attachment "image-20220623113959-5.png", version {1}
To version 187.1
edited by Edwin Chen
on 2022/07/03 11:17
Change comment: Uploaded new attachment "image-20220703111700-2.png", version {1}

Summary

Details

Page properties
Author
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1 -XWiki.Bei
1 +XWiki.Edwin
Content
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274 274  
275 275  
276 276  
277 +
277 277  === 2.4.1 Decoder in TTN V3 ===
278 278  
279 279  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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307 307  
308 308  
309 309  
311 +
310 310  === 2.4.3 Built-in Temperature ===
311 311  
312 312  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
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320 320  
321 321  
322 322  
325 +
323 323  === 2.4.4 Built-in Humidity ===
324 324  
325 325  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
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329 329  
330 330  
331 331  
335 +
332 332  === 2.4.5 Ext # ===
333 333  
334 334  Bytes for External Sensor:
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484 484  
485 485  
486 486  
491 +
487 487  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
488 488  
489 489  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -494,8 +494,43 @@
494 494  
495 495  AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
496 496  
502 +For example:
497 497  
504 +AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
498 498  
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 +
499 499  == 2.5 Show data on Datacake ==
500 500  
501 501  (((
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561 561  
562 562  
563 563  
604 +
564 564  === 2.6.2 Unix TimeStamp ===
565 565  
566 566  
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1019 1019  
1020 1020  
1021 1021  
1063 +
1022 1022  == 2.9 installation ==
1023 1023  
1024 1024  (% _mstvisible="1" %)
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1032 1032  
1033 1033  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1034 1034  
1035 -1m long breakout cable for LHT65N
1077 +**1m long breakout cable for LHT65N. Features:**
1036 1036  
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 +
1037 1037  [[image:image-20220619092421-3.png||height="371" width="529"]]
1038 1038  
1039 1039  
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1056 1056  
1057 1057  
1058 1058  
1117 +
1059 1059  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1060 1060  
1061 1061  (((
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1124 1124  
1125 1125  
1126 1126  
1186 +
1127 1127  == 4.2 Set External Sensor Mode ==
1128 1128  
1129 1129  Feature: Change External Sensor Mode.
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1148 1148  
1149 1149  
1150 1150  
1211 +
1151 1151  == 4.3 Enable/Disable uplink Temperature probe ID ==
1152 1152  
1153 1153  (((
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1178 1178  
1179 1179  
1180 1180  
1242 +
1181 1181  == 4.4 Set Password ==
1182 1182  
1183 1183  Feature: Set device password, max 9 digits
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1227 1227  
1228 1228  
1229 1229  
1292 +
1230 1230  == 4.7 Set system time ==
1231 1231  
1232 1232  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
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1326 1326  
1327 1327  
1328 1328  
1392 +
1329 1329  == 4.13 Auto Send None-ACK messages ==
1330 1330  
1331 1331  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
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1347 1347  
1348 1348  
1349 1349  
1414 +
1350 1350  = 5. Battery & How to replace =
1351 1351  
1352 1352  == 5.1 Battery Type ==
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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  
1787 +== 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1722 1722  
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 +
1723 1723  = 7. Order Info =
1724 1724  
1725 1725  
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1750 1750  
1751 1751  
1752 1752  
1870 +
1753 1753  = 8. Packing Info =
1754 1754  
1755 1755  
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1766 1766  
1767 1767  
1768 1768  
1887 +
1769 1769  = 9. Reference material =
1770 1770  
1771 1771  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
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1773 1773  
1774 1774  
1775 1775  
1895 +
1776 1776  = 10. FCC Warning =
1777 1777  
1778 1778  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
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