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Last modified by Xiaoling on 2023/07/18 10:12
From version 188.1
edited by Edwin Chen
on 2022/07/03 11:17
Change comment: There is no comment for this version
To version 170.34
edited by Xiaoling
on 2022/06/22 11:29
Change comment: There is no comment for this version

Summary

Details

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Author
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
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59 59  * Datalog feature
60 60  
61 61  
62 -
63 -
64 64  == 1.3 Specification ==
65 65  
66 66  
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86 86  * Operating Range: -55 °C ~~ 125 °C
87 87  
88 88  
89 -
90 -
91 91  = 2. Connect LHT65N to IoT Server =
92 92  
93 93  == 2.1 How does LHT65N work? ==
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272 272  
273 273  
274 274  
271 +
275 275  === 2.4.1 Decoder in TTN V3 ===
276 276  
277 277  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.
... ... @@ -305,6 +305,7 @@
305 305  
306 306  
307 307  
305 +
308 308  === 2.4.3 Built-in Temperature ===
309 309  
310 310  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
... ... @@ -318,6 +318,7 @@
318 318  
319 319  
320 320  
319 +
321 321  === 2.4.4 Built-in Humidity ===
322 322  
323 323  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
... ... @@ -327,6 +327,7 @@
327 327  
328 328  
329 329  
329 +
330 330  === 2.4.5 Ext # ===
331 331  
332 332  Bytes for External Sensor:
... ... @@ -482,6 +482,7 @@
482 482  
483 483  
484 484  
485 +
485 485  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
486 486  
487 487  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -492,43 +492,8 @@
492 492  
493 493  AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
494 494  
495 -For example:
496 496  
497 -AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
498 498  
499 -
500 -Or use **downlink command A2** to set the same.
501 -
502 -The measuring range of the node is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
503 -
504 -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.
505 -
506 -[[image:image-20220628150112-1.png||height="241" width="285"]]
507 -
508 -
509 -When ADC_IN1 pin is connected to GND or suspended, ADC value is 0
510 -
511 -[[image:image-20220628150714-4.png]]
512 -
513 -
514 -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.
515 -
516 -1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
517 -
518 -[[image:image-20220628151005-5.png]]
519 -
520 -
521 -2) The maximum range is about 1.1V. Each chip has internal calibration, so this value is close to 1.1v
522 -
523 -[[image:image-20220628151056-6.png]]
524 -
525 -
526 -3) Within range
527 -
528 -[[image:image-20220628151143-7.png]]
529 -
530 -
531 -
532 532  == 2.5 Show data on Datacake ==
533 533  
534 534  (((
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588 588  
589 589  There are two methods:
590 590  
591 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
592 -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.
593 593  
594 -Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
595 595  
596 -[[image:image-20220703111700-2.png||height="381" width="1119"]]
597 597  
598 598  
563 +
599 599  === 2.6.2 Unix TimeStamp ===
600 600  
601 601  
... ... @@ -1054,6 +1054,7 @@
1054 1054  
1055 1055  
1056 1056  
1022 +
1057 1057  == 2.9 installation ==
1058 1058  
1059 1059  (% _mstvisible="1" %)
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1067 1067  
1068 1068  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1069 1069  
1070 -**1m long breakout cable for LHT65N. Features:**
1036 +1m long breakout cable for LHT65N
1071 1071  
1072 -* (((
1073 -Use for AT Command， works for both LHT52/LHT65N
1074 -)))
1075 -* (((
1076 -Update firmware for LHT65N, works for both LHT52/LHT65N
1077 -)))
1078 -* (((
1079 -Supports ADC mode to monitor external ADC
1080 -)))
1081 -* (((
1082 -Supports Interrupt mode
1083 -)))
1084 -* (((
1085 -Exposed All pins from the LHT65N Type-C connector.
1086 -)))
1087 -
1088 1088  [[image:image-20220619092421-3.png||height="371" width="529"]]
1089 1089  
1090 1090  
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1107 1107  
1108 1108  
1109 1109  
1060 +
1110 1110  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1111 1111  
1112 1112  (((
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1175 1175  
1176 1176  
1177 1177  
1129 +
1178 1178  == 4.2 Set External Sensor Mode ==
1179 1179  
1180 1180  Feature: Change External Sensor Mode.
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1199 1199  
1200 1200  
1201 1201  
1154 +
1202 1202  == 4.3 Enable/Disable uplink Temperature probe ID ==
1203 1203  
1204 1204  (((
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1229 1229  
1230 1230  
1231 1231  
1185 +
1232 1232  == 4.4 Set Password ==
1233 1233  
1234 1234  Feature: Set device password, max 9 digits
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1278 1278  
1279 1279  
1280 1280  
1235 +
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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1377 1377  
1378 1378  
1379 1379  
1335 +
1380 1380  == 4.13 Auto Send None-ACK messages ==
1381 1381  
1382 1382  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
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1398 1398  
1399 1399  
1400 1400  
1357 +
1401 1401  = 5. Battery & How to replace =
1402 1402  
1403 1403  == 5.1 Battery Type ==
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1462 1462  * (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1463 1463  * (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1464 1464  
1422 +
1465 1465  (((
1466 1466  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.
1467 1467  )))
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1770 1770  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1771 1771  
1772 1772  
1773 -== 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1774 1774  
1775 -[[image:image-20220623110706-1.png]]
1776 -
1777 -
1778 -[[image:image-20220623112117-4.png||height="459" width="343"]]
1779 -
1780 -(((
1781 -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.
1782 -)))
1783 -
1784 -
1785 -Input password and ATZ to activate LHT65N,As shown below:
1786 -
1787 -[[image:image-20220615154519-3.png||height="672" width="807"]]
1788 -
1789 -
1790 -== 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1791 -
1792 -[[image:image-20220623110706-1.png]]
1793 -
1794 -(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1795 -
1796 -[[image:image-20220615170542-5.png]]
1797 -
1798 -
1799 -(% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1800 -
1801 -(% _msthash="506146" _msttexthash="52173160" %)
1802 -First connect the four lines；
1803 -
1804 -(% _msthash="506146" _msttexthash="52173160" %)
1805 -[[image:image-20220623113959-5.png||height="528" width="397"]]
1806 -
1807 -(% _msthash="506146" _msttexthash="52173160" %)
1808 -Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1809 -
1810 -(% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1811 -
1812 -[[image:image-20220615171334-6.png]]
1813 -
1814 -
1815 -Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade.
1816 -
1817 -
1818 -When this interface appears, it indicates that the download has been completed.
1819 -
1820 -[[image:image-20220620160723-8.png]]
1821 -
1822 -
1823 -Finally,restart reset device again
1824 -
1825 -
1826 1826  = 7. Order Info =
1827 1827  
1828 1828  
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1853 1853  
1854 1854  
1855 1855  
1762 +
1856 1856  = 8. Packing Info =
1857 1857  
1858 1858  
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1869 1869  
1870 1870  
1871 1871  
1779 +
1872 1872  = 9. Reference material =
1873 1873  
1874 1874  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
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1876 1876  
1877 1877  
1878 1878  
1787 +
1879 1879  = 10. FCC Warning =
1880 1880  
1881 1881  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
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