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Last modified by Xiaoling on 2023/07/18 10:12
From version 189.3
edited by Xiaoling
on 2022/07/22 10:33
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

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Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
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58 58  * Tri-color LED to indicate working status
59 59  * Datalog feature
60 60  
61 +
62 +
63 +
64 +
61 61  == 1.3 Specification ==
62 62  
63 63  
... ... @@ -82,6 +82,10 @@
82 82  * ±2°C accuracy from -55°C to +125°C
83 83  * Operating Range: -55 °C ~~ 125 °C
84 84  
89 +
90 +
91 +
92 +
85 85  = 2. Connect LHT65N to IoT Server =
86 86  
87 87  == 2.1 How does LHT65N work? ==
... ... @@ -467,16 +467,15 @@
467 467  
468 468  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
469 469  
470 -(% border="1" cellspacing="8" style="background-color:#ffffcc; color:green; width:520px" %)
471 -|(% 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]**
472 -|(% 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"]]
473 473  
474 -* (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
475 -* (% 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.
476 -* (% 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)
477 477  
478 478  
479 479  
486 +
480 480  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
481 481  
482 482  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -487,43 +487,8 @@
487 487  
488 488  AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
489 489  
490 -For example:
491 491  
492 -AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
493 493  
494 -
495 -Or use **downlink command A2** to set the same.
496 -
497 -The measuring range of the node is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
498 -
499 -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.
500 -
501 -[[image:image-20220628150112-1.png||height="241" width="285"]]
502 -
503 -
504 -When ADC_IN1 pin is connected to GND or suspended, ADC value is 0
505 -
506 -[[image:image-20220628150714-4.png]]
507 -
508 -
509 -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.
510 -
511 -1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
512 -
513 -[[image:image-20220628151005-5.png]]
514 -
515 -
516 -2) The maximum range is about 1.1V. Each chip has internal calibration, so this value is close to 1.1v
517 -
518 -[[image:image-20220628151056-6.png]]
519 -
520 -
521 -3) Within range
522 -
523 -[[image:image-20220628151143-7.png]]
524 -
525 -
526 -
527 527  == 2.5 Show data on Datacake ==
528 528  
529 529  (((
... ... @@ -583,12 +583,10 @@
583 583  
584 584  There are two methods:
585 585  
586 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
587 -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.
588 588  
589 -Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
590 590  
591 -[[image:image-20220703111700-2.png||height="381" width="1119"]]
592 592  
593 593  
594 594  === 2.6.2 Unix TimeStamp ===
... ... @@ -1031,21 +1031,8 @@
1031 1031  )))
1032 1032  )))
1033 1033  
1034 -(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
1035 1035  
1036 -Total bytes: 8 bytes
1037 1037  
1038 -**Example:**AA0100010001003C
1039 -
1040 -WMOD=01
1041 -
1042 -CITEMP=0001
1043 -
1044 -TEMPlow=0001
1045 -
1046 -TEMPhigh=003C
1047 -
1048 -
1049 1049  == 2.8 LED Indicator ==
1050 1050  
1051 1051  The LHT65 has a triple color LED which for easy showing different stage .
... ... @@ -1059,6 +1059,9 @@
1059 1059  * RED LED when external sensor is not connected
1060 1060  * For each success downlink, the PURPLE LED will blink once
1061 1061  
1019 +
1020 +
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  
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1109 1109  * Operating Range: -40 ~~ 125 °C
1110 1110  * Working voltage 2.35v ~~ 5v
1111 1111  
1056 +
1057 +
1058 +
1112 1112  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1113 1113  
1114 1114  (((
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1174 1174  
1175 1175  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1176 1176  
1124 +
1125 +
1126 +
1177 1177  == 4.2 Set External Sensor Mode ==
1178 1178  
1179 1179  Feature: Change External Sensor Mode.
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1195 1195  
1196 1196  * 0xA20702003c: Same as AT+SETCNT=60
1197 1197  
1148 +
1149 +
1150 +
1198 1198  == 4.3 Enable/Disable uplink Temperature probe ID ==
1199 1199  
1200 1200  (((
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1222 1222  * **0xA800**  **~-~->** AT+PID=0
1223 1223  * **0xA801**     **~-~->** AT+PID=1
1224 1224  
1178 +
1179 +
1180 +
1225 1225  == 4.4 Set Password ==
1226 1226  
1227 1227  Feature: Set device password, max 9 digits
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1268 1268  
1269 1269  * There is no downlink command to set to Sleep mode.
1270 1270  
1227 +
1228 +
1229 +
1271 1271  == 4.7 Set system time ==
1272 1272  
1273 1273  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
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1364 1364  
1365 1365  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1366 1366  
1326 +
1327 +
1328 +
1367 1367  == 4.13 Auto Send None-ACK messages ==
1368 1368  
1369 1369  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
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1382 1382  
1383 1383  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1384 1384  
1347 +
1348 +
1349 +
1385 1385  = 5. Battery & How to replace =
1386 1386  
1387 1387  == 5.1 Battery Type ==
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1754 1754  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1755 1755  
1756 1756  
1757 -== 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1758 1758  
1759 -[[image:image-20220623110706-1.png]]
1760 -
1761 -
1762 -[[image:image-20220623112117-4.png||height="459" width="343"]]
1763 -
1764 -(((
1765 -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.
1766 -)))
1767 -
1768 -
1769 -Input password and ATZ to activate LHT65N,As shown below:
1770 -
1771 -[[image:image-20220615154519-3.png||height="672" width="807"]]
1772 -
1773 -
1774 -== 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1775 -
1776 -[[image:image-20220623110706-1.png]]
1777 -
1778 -(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1779 -
1780 -[[image:image-20220615170542-5.png]]
1781 -
1782 -
1783 -(% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1784 -
1785 -(% _msthash="506146" _msttexthash="52173160" %)
1786 -First connect the four lines；
1787 -
1788 -(% _msthash="506146" _msttexthash="52173160" %)
1789 -[[image:image-20220623113959-5.png||height="528" width="397"]]
1790 -
1791 -(% _msthash="506146" _msttexthash="52173160" %)
1792 -Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1793 -
1794 -(% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1795 -
1796 -[[image:image-20220615171334-6.png]]
1797 -
1798 -
1799 -Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade.
1800 -
1801 -
1802 -When this interface appears, it indicates that the download has been completed.
1803 -
1804 -[[image:image-20220620160723-8.png]]
1805 -
1806 -
1807 -Finally,restart reset device again
1808 -
1809 -
1810 1810  = 7. Order Info =
1811 1811  
1812 1812  
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1834 1834  
1835 1835  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1836 1836  
1750 +
1751 +
1752 +
1837 1837  = 8. Packing Info =
1838 1838  
1839 1839  
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1847 1847  * Device Size:  10 x 10 x 3.5 cm
1848 1848  * Device Weight: 120.5g
1849 1849  
1766 +
1767 +
1768 +
1850 1850  = 9. Reference material =
1851 1851  
1852 1852  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1853 1853  
1773 +
1774 +
1775 +
1854 1854  = 10. FCC Warning =
1855 1855  
1856 1856  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
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