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Last modified by Xiaoling on 2023/07/18 10:12
From version 189.5
edited by Xiaoling
on 2022/07/22 10:34
Change comment: There is no comment for this version
To version 173.1
edited by Bei Jinggeng
on 2022/06/23 11:19
Change comment: Uploaded new attachment "image-20220623111949-3.png", version {1}

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
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61 61  
62 62  
63 63  
64 +
64 64  == 1.3 Specification ==
65 65  
66 66  
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88 88  
89 89  
90 90  
92 +
91 91  = 2. Connect LHT65N to IoT Server =
92 92  
93 93  == 2.1 How does LHT65N work? ==
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166 166  [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
167 167  
168 168  
171 +Note: LHT65N use same payload as LHT65.
169 169  
170 -(% style="color:red" %)**Note: LHT65N use same payload as LHT65.**
171 171  
172 -
173 173  [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
174 174  
175 175  
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272 272  
273 273  
274 274  
276 +
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.
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304 304  
305 305  
306 306  
309 +
307 307  === 2.4.3 Built-in Temperature ===
308 308  
309 309  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
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316 316  
317 317  
318 318  
322 +
319 319  === 2.4.4 Built-in Humidity ===
320 320  
321 321  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
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324 324  
325 325  
326 326  
331 +
327 327  === 2.4.5 Ext # ===
328 328  
329 329  Bytes for External Sensor:
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470 470  
471 471  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
472 472  
473 -(% border="1" cellspacing="8" style="background-color:#ffffcc; color:green; width:520px" %)
474 -|(% style="width:60px" %)**Bits**|(% style="width:90px" %)**7**|(% style="width:100px" %)**6**|(% style="width:90px" %)**5**|(% style="width:100px" %)**4**|(% style="width:60px" %)**[3:0]**
475 -|(% style="width:96px" %)**Status&Ext**|(% style="width:124px" %)None-ACK Flag|(% style="width:146px" %)Poll Message FLAG|(% style="width:109px" %)Sync time OK|(% style="width:143px" %)Unix Time Request|(% style="width:106px" %)Ext: 0b(1001)
478 +[[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
476 476  
477 -* (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
478 -* (% style="color:blue" %)**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.
479 -* (% style="color:blue" %)**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)
480 +* Poll Message Flag:  1: This message is a poll message reply, 0: means this is a normal uplink.
481 +* 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.
482 +* 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)
480 480  
481 481  
485 +
486 +
482 482  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
483 483  
484 484  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
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489 489  
490 490  AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
491 491  
492 -For example:
493 493  
494 -AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
495 495  
496 -
497 -Or use **downlink command A2** to set the same.
498 -
499 -The measuring range of the node is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
500 -
501 -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.
502 -
503 -[[image:image-20220628150112-1.png||height="241" width="285"]]
504 -
505 -
506 -When ADC_IN1 pin is connected to GND or suspended, ADC value is 0
507 -
508 -[[image:image-20220628150714-4.png]]
509 -
510 -
511 -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.
512 -
513 -1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
514 -
515 -[[image:image-20220628151005-5.png]]
516 -
517 -
518 -2) The maximum range is about 1.1V. Each chip has internal calibration, so this value is close to 1.1v
519 -
520 -[[image:image-20220628151056-6.png]]
521 -
522 -
523 -3) Within range
524 -
525 -[[image:image-20220628151143-7.png]]
526 -
527 -
528 -
529 529  == 2.5 Show data on Datacake ==
530 530  
531 531  (((
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585 585  
586 586  There are two methods:
587 587  
588 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
589 -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.
590 590  
591 -Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
592 592  
593 -[[image:image-20220703111700-2.png||height="381" width="1119"]]
594 594  
595 595  
596 596  === 2.6.2 Unix TimeStamp ===
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1033 1033  )))
1034 1034  )))
1035 1035  
1036 -(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
1037 1037  
1038 -Total bytes: 8 bytes
1039 1039  
1040 -**Example:**AA0100010001003C
1041 -
1042 -WMOD=01
1043 -
1044 -CITEMP=0001
1045 -
1046 -TEMPlow=0001
1047 -
1048 -TEMPhigh=003C
1049 -
1050 -
1051 1051  == 2.8 LED Indicator ==
1052 1052  
1053 1053  The LHT65 has a triple color LED which for easy showing different stage .
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1061 1061  * RED LED when external sensor is not connected
1062 1062  * For each success downlink, the PURPLE LED will blink once
1063 1063  
1019 +
1020 +
1021 +
1064 1064  == 2.9 installation ==
1065 1065  
1066 1066  (% _mstvisible="1" %)
... ... @@ -1074,24 +1074,8 @@
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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1111 1111  * Operating Range: -40 ~~ 125 °C
1112 1112  * Working voltage 2.35v ~~ 5v
1113 1113  
1056 +
1057 +
1058 +
1114 1114  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1115 1115  
1116 1116  (((
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1176 1176  
1177 1177  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1178 1178  
1124 +
1125 +
1126 +
1179 1179  == 4.2 Set External Sensor Mode ==
1180 1180  
1181 1181  Feature: Change External Sensor Mode.
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1197 1197  
1198 1198  * 0xA20702003c: Same as AT+SETCNT=60
1199 1199  
1148 +
1149 +
1150 +
1200 1200  == 4.3 Enable/Disable uplink Temperature probe ID ==
1201 1201  
1202 1202  (((
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1224 1224  * **0xA800**  **~-~->** AT+PID=0
1225 1225  * **0xA801**     **~-~->** AT+PID=1
1226 1226  
1178 +
1179 +
1180 +
1227 1227  == 4.4 Set Password ==
1228 1228  
1229 1229  Feature: Set device password, max 9 digits
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1270 1270  
1271 1271  * There is no downlink command to set to Sleep mode.
1272 1272  
1227 +
1228 +
1229 +
1273 1273  == 4.7 Set system time ==
1274 1274  
1275 1275  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
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1366 1366  
1367 1367  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1368 1368  
1326 +
1327 +
1328 +
1369 1369  == 4.13 Auto Send None-ACK messages ==
1370 1370  
1371 1371  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
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1384 1384  
1385 1385  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1386 1386  
1347 +
1348 +
1349 +
1387 1387  = 5. Battery & How to replace =
1388 1388  
1389 1389  == 5.1 Battery Type ==
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1756 1756  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1757 1757  
1758 1758  
1759 -== 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1760 1760  
1761 -[[image:image-20220623110706-1.png]]
1762 -
1763 -
1764 -[[image:image-20220623112117-4.png||height="459" width="343"]]
1765 -
1766 -(((
1767 -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.
1768 -)))
1769 -
1770 -
1771 -Input password and ATZ to activate LHT65N,As shown below:
1772 -
1773 -[[image:image-20220615154519-3.png||height="672" width="807"]]
1774 -
1775 -
1776 -== 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1777 -
1778 -[[image:image-20220623110706-1.png]]
1779 -
1780 -(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1781 -
1782 -[[image:image-20220615170542-5.png]]
1783 -
1784 -
1785 -(% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1786 -
1787 -(% _msthash="506146" _msttexthash="52173160" %)
1788 -First connect the four lines；
1789 -
1790 -(% _msthash="506146" _msttexthash="52173160" %)
1791 -[[image:image-20220623113959-5.png||height="528" width="397"]]
1792 -
1793 -(% _msthash="506146" _msttexthash="52173160" %)
1794 -Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1795 -
1796 -(% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1797 -
1798 -[[image:image-20220615171334-6.png]]
1799 -
1800 -
1801 -Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade.
1802 -
1803 -
1804 -When this interface appears, it indicates that the download has been completed.
1805 -
1806 -[[image:image-20220620160723-8.png]]
1807 -
1808 -
1809 -Finally,restart reset device again
1810 -
1811 -
1812 1812  = 7. Order Info =
1813 1813  
1814 1814  
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1836 1836  
1837 1837  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1838 1838  
1750 +
1751 +
1752 +
1839 1839  = 8. Packing Info =
1840 1840  
1841 1841  
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1849 1849  * Device Size:  10 x 10 x 3.5 cm
1850 1850  * Device Weight: 120.5g
1851 1851  
1766 +
1767 +
1768 +
1852 1852  = 9. Reference material =
1853 1853  
1854 1854  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1855 1855  
1773 +
1774 +
1775 +
1856 1856  = 10. FCC Warning =
1857 1857  
1858 1858  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
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