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Last modified by Xiaoling on 2023/07/18 10:12
From version 185.2
edited by Xiaoling
on 2022/06/29 13:55
Change comment: There is no comment for this version
To version 189.4
edited by Xiaoling
on 2022/07/22 10:34
Change comment: There is no comment for this version

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160 160  [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
161 161  
162 162  
163 -Note: LHT65N use same payload as LHT65.
164 164  
164 +(% style="color:red" %)**Note: LHT65N use same payload as LHT65.**
165 165  
166 +
166 166  [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
167 167  
168 168  
... ... @@ -263,6 +263,8 @@
263 263  * The 7th byte (EXT #): defines the external sensor model.
264 264  * The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.)
265 265  
267 +
268 +
266 266  === 2.4.1 Decoder in TTN V3 ===
267 267  
268 268  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.
... ... @@ -293,6 +293,8 @@
293 293  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
294 294  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
295 295  
299 +
300 +
296 296  === 2.4.3 Built-in Temperature ===
297 297  
298 298  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
... ... @@ -303,6 +303,8 @@
303 303  
304 304  * Temperature:  (0xF5C6-65536)/100=-26.18℃
305 305  
311 +
312 +
306 306  === 2.4.4 Built-in Humidity ===
307 307  
308 308  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
... ... @@ -309,6 +309,8 @@
309 309  
310 310  * Humidity:    0x025C/10=60.4%
311 311  
319 +
320 +
312 312  === 2.4.5 Ext # ===
313 313  
314 314  Bytes for External Sensor:
... ... @@ -455,12 +455,15 @@
455 455  
456 456  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
457 457  
458 -[[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
467 +(% border="1" cellspacing="8" style="background-color:#ffffcc; color:green; width:520px" %)
468 +|(% 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]**
469 +|(% 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)
459 459  
460 -* Poll Message Flag:  1: This message is a poll message reply, 0: means this is a normal uplink.
461 -* 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.
462 -* 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)
471 +* (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
472 +* (% 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.
473 +* (% 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)
463 463  
475 +
464 464  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
465 465  
466 466  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
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507 507  [[image:image-20220628151143-7.png]]
508 508  
509 509  
522 +
510 510  == 2.5 Show data on Datacake ==
511 511  
512 512  (((
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566 566  
567 567  There are two methods:
568 568  
569 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
570 -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.
582 +1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
583 +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.
571 571  
585 +Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
586 +
587 +[[image:image-20220703111700-2.png||height="381" width="1119"]]
588 +
589 +
572 572  === 2.6.2 Unix TimeStamp ===
573 573  
574 574  
... ... @@ -1009,8 +1009,21 @@
1009 1009  )))
1010 1010  )))
1011 1011  
1030 +(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
1012 1012  
1032 +Total bytes: 8 bytes
1013 1013  
1034 +**Example:**AA0100010001003C
1035 +
1036 +WMOD=01
1037 +
1038 +CITEMP=0001
1039 +
1040 +TEMPlow=0001
1041 +
1042 +TEMPhigh=003C
1043 +
1044 +
1014 1014  == 2.8 LED Indicator ==
1015 1015  
1016 1016  The LHT65 has a triple color LED which for easy showing different stage .
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1799 1799  
1800 1800  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1801 1801  
1802 -
1803 -
1804 -
1805 -
1806 1806  = 8. Packing Info =
1807 1807  
1808 1808  
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1816 1816  * Device Size:  10 x 10 x 3.5 cm
1817 1817  * Device Weight: 120.5g
1818 1818  
1819 -
1820 -
1821 -
1822 -
1823 1823  = 9. Reference material =
1824 1824  
1825 1825  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1826 1826  
1827 -
1828 -
1829 -
1830 -
1831 1831  = 10. FCC Warning =
1832 1832  
1833 1833  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
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