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Last modified by Xiaoling on 2023/07/18 10:12
From version 176.1
edited by Bei Jinggeng
on 2022/06/23 11:43
Change comment: There is no comment for this version
To version 189.5
edited by Xiaoling
on 2022/07/22 10:34
Change comment: There is no comment for this version

Summary

Details

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Author
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1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
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166 166  [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
167 167  
168 168  
169 -Note: LHT65N use same payload as LHT65.
170 170  
170 +(% style="color:red" %)**Note: LHT65N use same payload as LHT65.**
171 171  
172 +
172 172  [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
173 173  
174 174  
... ... @@ -469,14 +469,15 @@
469 469  
470 470  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
471 471  
472 -[[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
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)
473 473  
474 -* Poll Message Flag:  1: This message is a poll message reply, 0: means this is a normal uplink.
475 -* 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 -* 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 +* (% 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)
477 477  
478 478  
479 -
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
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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  
492 +For example:
490 490  
494 +AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
491 491  
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 +
492 492  == 2.5 Show data on Datacake ==
493 493  
494 494  (((
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548 548  
549 549  There are two methods:
550 550  
551 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
552 -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 +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.
553 553  
591 +Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
554 554  
593 +[[image:image-20220703111700-2.png||height="381" width="1119"]]
555 555  
595 +
556 556  === 2.6.2 Unix TimeStamp ===
557 557  
558 558  
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993 993  )))
994 994  )))
995 995  
1036 +(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
996 996  
1038 +Total bytes: 8 bytes
997 997  
1040 +**Example:**AA0100010001003C
1041 +
1042 +WMOD=01
1043 +
1044 +CITEMP=0001
1045 +
1046 +TEMPlow=0001
1047 +
1048 +TEMPhigh=003C
1049 +
1050 +
998 998  == 2.8 LED Indicator ==
999 999  
1000 1000  The LHT65 has a triple color LED which for easy showing different stage .
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1008 1008  * RED LED when external sensor is not connected
1009 1009  * For each success downlink, the PURPLE LED will blink once
1010 1010  
1011 -
1012 -
1013 1013  == 2.9 installation ==
1014 1014  
1015 1015  (% _mstvisible="1" %)
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1023 1023  
1024 1024  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1025 1025  
1026 -1m long breakout cable for LHT65N
1077 +**1m long breakout cable for LHT65N. Features:**
1027 1027  
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 +
1028 1028  [[image:image-20220619092421-3.png||height="371" width="529"]]
1029 1029  
1030 1030  
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1044 1044  * Operating Range: -40 ~~ 125 °C
1045 1045  * Working voltage 2.35v ~~ 5v
1046 1046  
1047 -
1048 -
1049 1049  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1050 1050  
1051 1051  (((
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1111 1111  
1112 1112  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1113 1113  
1114 -
1115 -
1116 1116  == 4.2 Set External Sensor Mode ==
1117 1117  
1118 1118  Feature: Change External Sensor Mode.
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1134 1134  
1135 1135  * 0xA20702003c: Same as AT+SETCNT=60
1136 1136  
1137 -
1138 -
1139 1139  == 4.3 Enable/Disable uplink Temperature probe ID ==
1140 1140  
1141 1141  (((
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1163 1163  * **0xA800**  **~-~->** AT+PID=0
1164 1164  * **0xA801**     **~-~->** AT+PID=1
1165 1165  
1166 -
1167 -
1168 1168  == 4.4 Set Password ==
1169 1169  
1170 1170  Feature: Set device password, max 9 digits
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1211 1211  
1212 1212  * There is no downlink command to set to Sleep mode.
1213 1213  
1214 -
1215 -
1216 1216  == 4.7 Set system time ==
1217 1217  
1218 1218  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
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1309 1309  
1310 1310  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1311 1311  
1312 -
1313 -
1314 1314  == 4.13 Auto Send None-ACK messages ==
1315 1315  
1316 1316  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
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1329 1329  
1330 1330  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1331 1331  
1332 -
1333 -
1334 1334  = 5. Battery & How to replace =
1335 1335  
1336 1336  == 5.1 Battery Type ==
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1720 1720  [[image:image-20220615154519-3.png||height="672" width="807"]]
1721 1721  
1722 1722  
1723 -== 6.6 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1776 +== 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1724 1724  
1725 1725  [[image:image-20220623110706-1.png]]
1726 1726  
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1783 1783  
1784 1784  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1785 1785  
1786 -
1787 -
1788 1788  = 8. Packing Info =
1789 1789  
1790 1790  
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1798 1798  * Device Size:  10 x 10 x 3.5 cm
1799 1799  * Device Weight: 120.5g
1800 1800  
1801 -
1802 -
1803 1803  = 9. Reference material =
1804 1804  
1805 1805  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1806 1806  
1807 -
1808 -
1809 1809  = 10. FCC Warning =
1810 1810  
1811 1811  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
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